25 files changed, 1027 insertions, 112 deletions

diff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware
index a52adfc9a57f..3d1b0ab70c8e 100644
--- a/Documentation/dvb/get_dvb_firmware
+++ b/Documentation/dvb/get_dvb_firmware
@@ -25,7 +25,7 @@ use IO::Handle;
                 "tda10046lifeview", "av7110", "dec2000t", "dec2540t",
                 "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",
                 "or51211", "or51132_qam", "or51132_vsb", "bluebird",
-                "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2" );
+                "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718" );
 
 # Check args
 syntax() if (scalar(@ARGV) != 1);
@@ -381,6 +381,57 @@ sub cx18 {
     $allfiles;
 }
 
+sub mpc718 {
+    my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip';
+    my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive";
+    my $fwfile = "dvb-cx18-mpc718-mt352.fw";
+    my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
+
+    checkstandard();
+    wgetfile($archive, $url);
+    unzip($archive, $tmpdir);
+
+    my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys";
+    my $found = 0;
+
+    open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n";
+    binmode IN;
+    open OUT, '>', $fwfile;
+    binmode OUT;
+    {
+        # Block scope because we change the line terminator variable $/
+        my $prevlen = 0;
+        my $currlen;
+
+        # Buried in the data segment are 3 runs of almost identical
+        # register-value pairs that end in 0x5d 0x01 which is a "TUNER GO"
+        # command for the MT352.
+        # Pull out the middle run (because it's easy) of register-value
+        # pairs to make the "firmware" file.
+
+        local $/ = "\x5d\x01"; # MT352 "TUNER GO"
+
+        while (<IN>) {
+            $currlen = length($_);
+            if ($prevlen == $currlen && $currlen <= 64) {
+                chop; chop; # Get rid of "TUNER GO"
+                s/^\0\0//;  # get rid of leading 00 00 if it's there
+                printf OUT "$_";
+                $found = 1;
+                last;
+            }
+            $prevlen = $currlen;
+        }
+    }
+    close OUT;
+    close IN;
+    if (!$found) {
+        unlink $fwfile;
+        die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n";
+    }
+    $fwfile;
+}
+
 sub cx23885 {
     my $url = "http://linuxtv.org/downloads/firmware/";
 
diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx
index 873630e7e53e..014d255231fc 100644
--- a/Documentation/video4linux/CARDLIST.em28xx
+++ b/Documentation/video4linux/CARDLIST.em28xx
@@ -66,3 +66,4 @@
  68 -> Terratec AV350                           (em2860)        [0ccd:0084]
  69 -> KWorld ATSC 315U HDTV TV Box             (em2882)        [eb1a:a313]
  70 -> Evga inDtube                             (em2882)
+ 71 -> Silvercrest Webcam 1.3mpix               (em2820/em2840)
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index b6da9c3873fe..aa20ce8cc668 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -1096,8 +1096,19 @@ static int xc2028_set_params(struct dvb_frontend *fe,
         }
 
         /* All S-code tables need a 200kHz shift */
-        if (priv->ctrl.demod)
+        if (priv->ctrl.demod) {
                 demod = priv->ctrl.demod + 200;
+                /*
+                 * The DTV7 S-code table needs a 700 kHz shift.
+                 * Thanks to Terry Wu <terrywu2009@gmail.com> for reporting this
+                 *
+                 * DTV7 is only used in Australia.  Germany or Italy may also
+                 * use this firmware after initialization, but a tune to a UHF
+                 * channel should then cause DTV78 to be used.
+                 */
+                if (type & DTV7)
+                        demod += 500;
+        }
 
         return generic_set_freq(fe, p->frequency,
                                 T_DIGITAL_TV, type, 0, demod);
diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig
index 68eb4493f991..d8d4214fd65f 100644
--- a/drivers/media/dvb/ttpci/Kconfig
+++ b/drivers/media/dvb/ttpci/Kconfig
@@ -1,5 +1,6 @@
 config TTPCI_EEPROM
         tristate
+        depends on I2C
         default n
 
 config DVB_AV7110
diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 640421ceb24a..46d216329611 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -1200,7 +1200,7 @@ static int si470x_fops_release(struct file *file)
                         video_unregister_device(radio->videodev);
                         kfree(radio->buffer);
                         kfree(radio);
-                        goto done;
+                        goto unlock;
                 }
 
                 /* stop rds reception */
@@ -1213,9 +1213,8 @@ static int si470x_fops_release(struct file *file)
                 retval = si470x_stop(radio);
                 usb_autopm_put_interface(radio->intf);
         }
-
+unlock:
         mutex_unlock(&radio->disconnect_lock);
-
 done:
         return retval;
 }
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 061e147f6f26..84b6fc15519d 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -312,6 +312,14 @@ config VIDEO_OV7670
           OV7670 VGA camera.  It currently only works with the M88ALP01
           controller.
 
+config VIDEO_MT9V011
+        tristate "Micron mt9v011 sensor support"
+        depends on I2C && VIDEO_V4L2
+        ---help---
+          This is a Video4Linux2 sensor-level driver for the Micron
+          mt0v011 1.3 Mpixel camera.  It currently only works with the
+          em28xx driver.
+
 config VIDEO_TCM825X
         tristate "TCM825x camera sensor support"
         depends on I2C && VIDEO_V4L2
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 7fb3add1b387..9f2e3214a482 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -69,6 +69,7 @@ obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
 obj-$(CONFIG_VIDEO_OV7670)      += ov7670.o
 obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
+obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
 
 obj-$(CONFIG_SOC_CAMERA_MT9M001)        += mt9m001.o
 obj-$(CONFIG_SOC_CAMERA_MT9M111)        += mt9m111.o
diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c
index c92a25036f0e..36f2d76006fd 100644
--- a/drivers/media/video/cx18/cx18-cards.c
+++ b/drivers/media/video/cx18/cx18-cards.c
@@ -198,11 +198,14 @@ static const struct cx18_card_pci_info cx18_pci_mpc718[] = {
 
 static const struct cx18_card cx18_card_mpc718 = {
         .type = CX18_CARD_YUAN_MPC718,
-        .name = "Yuan MPC718",
-        .comment = "Analog video capture works; some audio line in may not.\n",
+        .name = "Yuan MPC718 MiniPCI DVB-T/Analog",
+        .comment = "Experimenters needed for device to work well.\n"
+                  "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n",
         .v4l2_capabilities = CX18_CAP_ENCODER,
         .hw_audio_ctrl = CX18_HW_418_AV,
-        .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_RESET_CTRL,
+        .hw_muxer = CX18_HW_GPIO_MUX,
+        .hw_all = CX18_HW_418_AV | CX18_HW_TUNER |
+                  CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL,
         .video_inputs = {
                 { CX18_CARD_INPUT_VID_TUNER,  0, CX18_AV_COMPOSITE2 },
                 { CX18_CARD_INPUT_SVIDEO1,    1,
@@ -211,27 +214,34 @@ static const struct cx18_card cx18_card_mpc718 = {
                 { CX18_CARD_INPUT_SVIDEO2,    2,
                                 CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 },
                 { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 },
-                { CX18_CARD_INPUT_COMPOSITE3, 2, CX18_AV_COMPOSITE3 },
         },
         .audio_inputs = {
                 { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5,        0 },
-                { CX18_CARD_INPUT_LINE_IN1,  CX18_AV_AUDIO_SERIAL1, 0 },
-                { CX18_CARD_INPUT_LINE_IN2,  CX18_AV_AUDIO_SERIAL1, 0 },
+                { CX18_CARD_INPUT_LINE_IN1,  CX18_AV_AUDIO_SERIAL1, 1 },
+                { CX18_CARD_INPUT_LINE_IN2,  CX18_AV_AUDIO_SERIAL2, 1 },
         },
-        .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL1, 0 },
         .tuners = {
                 /* XC3028 tuner */
                 { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 },
         },
+        /* FIXME - the FM radio is just a guess and driver doesn't use SIF */
+        .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 },
         .ddr = {
-                /* Probably Samsung K4D263238G-VC33 memory */
-                .chip_config = 0x003,
-                .refresh = 0x30c,
-                .timing1 = 0x23230b73,
-                .timing2 = 0x08,
+                /* Hynix HY5DU283222B DDR RAM */
+                .chip_config = 0x303,
+                .refresh = 0x3bd,
+                .timing1 = 0x36320966,
+                .timing2 = 0x1f,
                 .tune_lane = 0,
                 .initial_emrs = 2,
         },
+        .gpio_init.initial_value = 0x1,
+        .gpio_init.direction = 0x3,
+        /* FIXME - these GPIO's are just guesses */
+        .gpio_audio_input = { .mask   = 0x3,
+                              .tuner  = 0x1,
+                              .linein = 0x3,
+                              .radio  = 0x1 },
         .xceive_pin = 0,
         .pci_list = cx18_pci_mpc718,
         .i2c = &cx18_i2c_std,
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c
index 6ea3fe623ef4..51a0c33b25b7 100644
--- a/drivers/media/video/cx18/cx18-dvb.c
+++ b/drivers/media/video/cx18/cx18-dvb.c
@@ -30,6 +30,10 @@
 #include "s5h1409.h"
 #include "mxl5005s.h"
 #include "zl10353.h"
+
+#include <linux/firmware.h>
+#include "mt352.h"
+#include "mt352_priv.h"
 #include "tuner-xc2028.h"
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
@@ -38,6 +42,11 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 #define CX18_CLOCK_ENABLE2               0xc71024
 #define CX18_DMUX_CLK_MASK               0x0080
 
+/*
+ * CX18_CARD_HVR_1600_ESMT
+ * CX18_CARD_HVR_1600_SAMSUNG
+ */
+
 static struct mxl5005s_config hauppauge_hvr1600_tuner = {
         .i2c_address     = 0xC6 >> 1,
         .if_freq         = IF_FREQ_5380000HZ,
@@ -65,6 +74,9 @@ static struct s5h1409_config hauppauge_hvr1600_config = {
         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 };
 
+/*
+ * CX18_CARD_LEADTEK_DVR3100H
+ */
 /* Information/confirmation of proper config values provided by Terry Wu */
 static struct zl10353_config leadtek_dvr3100h_demod = {
         .demod_address         = 0x1e >> 1, /* Datasheet suggested straps */
@@ -74,6 +86,121 @@ static struct zl10353_config leadtek_dvr3100h_demod = {
         .disable_i2c_gate_ctrl = 1,         /* Disable the I2C gate */
 };
 
+/*
+ * CX18_CARD_YUAN_MPC718
+ */
+/*
+ * Due to
+ *
+ * 1. an absence of information on how to prgram the MT352
+ * 2. the Linux mt352 module pushing MT352 initialzation off onto us here
+ *
+ * We have to use an init sequence that *you* must extract from the Windows
+ * driver (yuanrap.sys) and which we load as a firmware.
+ *
+ * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual
+ * with chip programming details, then I can remove this annoyance.
+ */
+static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream,
+                                   const struct firmware **fw)
+{
+        struct cx18 *cx = stream->cx;
+        const char *fn = "dvb-cx18-mpc718-mt352.fw";
+        int ret;
+
+        ret = request_firmware(fw, fn, &cx->pci_dev->dev);
+        if (ret)
+                CX18_ERR("Unable to open firmware file %s\n", fn);
+        else {
+                size_t sz = (*fw)->size;
+                if (sz < 2 || sz > 64 || (sz % 2) != 0) {
+                        CX18_ERR("Firmware %s has a bad size: %lu bytes\n",
+                                 fn, (unsigned long) sz);
+                        ret = -EILSEQ;
+                        release_firmware(*fw);
+                        *fw = NULL;
+                }
+        }
+
+        if (ret) {
+                CX18_ERR("The MPC718 board variant with the MT352 DVB-T"
+                          "demodualtor will not work without it\n");
+                CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware "
+                          "mpc718' if you need the firmware\n");
+        }
+        return ret;
+}
+
+static int yuan_mpc718_mt352_init(struct dvb_frontend *fe)
+{
+        struct cx18_dvb *dvb = container_of(fe->dvb,
+                                            struct cx18_dvb, dvb_adapter);
+        struct cx18_stream *stream = container_of(dvb, struct cx18_stream, dvb);
+        const struct firmware *fw = NULL;
+        int ret;
+        int i;
+        u8 buf[3];
+
+        ret = yuan_mpc718_mt352_reqfw(stream, &fw);
+        if (ret)
+                return ret;
+
+        /* Loop through all the register-value pairs in the firmware file */
+        for (i = 0; i < fw->size; i += 2) {
+                buf[0] = fw->data[i];
+                /* Intercept a few registers we want to set ourselves */
+                switch (buf[0]) {
+                case TRL_NOMINAL_RATE_0:
+                        /* Set our custom OFDM bandwidth in the case below */
+                        break;
+                case TRL_NOMINAL_RATE_1:
+                        /* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */
+                        /* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */
+                        /* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */
+                        buf[1] = 0x72;
+                        buf[2] = 0x49;
+                        mt352_write(fe, buf, 3);
+                        break;
+                case INPUT_FREQ_0:
+                        /* Set our custom IF in the case below */
+                        break;
+                case INPUT_FREQ_1:
+                        /* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */
+                        buf[1] = 0x31;
+                        buf[2] = 0xc0;
+                        mt352_write(fe, buf, 3);
+                        break;
+                default:
+                        /* Pass through the register-value pair from the fw */
+                        buf[1] = fw->data[i+1];
+                        mt352_write(fe, buf, 2);
+                        break;
+                }
+        }
+
+        buf[0] = (u8) TUNER_GO;
+        buf[1] = 0x01; /* Go */
+        mt352_write(fe, buf, 2);
+        release_firmware(fw);
+        return 0;
+}
+
+static struct mt352_config yuan_mpc718_mt352_demod = {
+        .demod_address = 0x1e >> 1,
+        .adc_clock     = 20480,     /* 20.480 MHz */
+        .if2           =  4560,     /*  4.560 MHz */
+        .no_tuner      = 1,         /* XC3028 is not behind the gate */
+        .demod_init    = yuan_mpc718_mt352_init,
+};
+
+static struct zl10353_config yuan_mpc718_zl10353_demod = {
+        .demod_address         = 0x1e >> 1, /* Datasheet suggested straps */
+        .if2                   = 45600,     /* 4.560 MHz IF from the XC3028 */
+        .parallel_ts           = 1,         /* Not a serial TS */
+        .no_tuner              = 1,         /* XC3028 is not behind the gate */
+        .disable_i2c_gate_ctrl = 1,         /* Disable the I2C gate */
+};
+
 static int dvb_register(struct cx18_stream *stream);
 
 /* Kernel DVB framework calls this when the feed needs to start.
@@ -113,6 +240,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
                 break;
 
         case CX18_CARD_LEADTEK_DVR3100H:
+        case CX18_CARD_YUAN_MPC718:
         default:
                 /* Assumption - Parallel transport - Signalling
                  * undefined or default.
@@ -326,6 +454,38 @@ static int dvb_register(struct cx18_stream *stream)
                                 fe->ops.tuner_ops.set_config(fe, &ctrl);
                 }
                 break;
+        case CX18_CARD_YUAN_MPC718:
+                /*
+                 * TODO
+                 * Apparently, these cards also could instead have a
+                 * DiBcom demod supported by one of the db7000 drivers
+                 */
+                dvb->fe = dvb_attach(mt352_attach,
+                                     &yuan_mpc718_mt352_demod,
+                                     &cx->i2c_adap[1]);
+                if (dvb->fe == NULL)
+                        dvb->fe = dvb_attach(zl10353_attach,
+                                             &yuan_mpc718_zl10353_demod,
+                                             &cx->i2c_adap[1]);
+                if (dvb->fe != NULL) {
+                        struct dvb_frontend *fe;
+                        struct xc2028_config cfg = {
+                                .i2c_adap = &cx->i2c_adap[1],
+                                .i2c_addr = 0xc2 >> 1,
+                                .ctrl = NULL,
+                        };
+                        static struct xc2028_ctrl ctrl = {
+                                .fname   = XC2028_DEFAULT_FIRMWARE,
+                                .max_len = 64,
+                                .demod   = XC3028_FE_ZARLINK456,
+                                .type    = XC2028_AUTO,
+                        };
+
+                        fe = dvb_attach(xc2028_attach, dvb->fe, &cfg);
+                        if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+                                fe->ops.tuner_ops.set_config(fe, &ctrl);
+                }
+                break;
         default:
                 /* No Digital Tv Support */
                 break;
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 48a975134ac5..86ac529e62be 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -463,6 +463,30 @@ static struct xc5000_config mygica_x8506_xc5000_config = {
         .if_khz = 5380,
 };
 
+static int cx23885_dvb_set_frontend(struct dvb_frontend *fe,
+                                    struct dvb_frontend_parameters *param)
+{
+        struct cx23885_tsport *port = fe->dvb->priv;
+        struct cx23885_dev *dev = port->dev;
+
+        switch (dev->board) {
+        case CX23885_BOARD_HAUPPAUGE_HVR1275:
+                switch (param->u.vsb.modulation) {
+                case VSB_8:
+                        cx23885_gpio_clear(dev, GPIO_5);
+                        break;
+                case QAM_64:
+                case QAM_256:
+                default:
+                        cx23885_gpio_set(dev, GPIO_5);
+                        break;
+                }
+                break;
+        }
+        return (port->set_frontend_save) ?
+                port->set_frontend_save(fe, param) : -ENODEV;
+}
+
 static int dvb_register(struct cx23885_tsport *port)
 {
         struct cx23885_dev *dev = port->dev;
@@ -502,6 +526,12 @@ static int dvb_register(struct cx23885_tsport *port)
                                    0x60, &dev->i2c_bus[1].i2c_adap,
                                    &hauppauge_hvr127x_config);
                 }
+
+                /* FIXME: temporary hack */
+                /* define bridge override to set_frontend */
+                port->set_frontend_save = fe0->dvb.frontend->ops.set_frontend;
+                fe0->dvb.frontend->ops.set_frontend = cx23885_dvb_set_frontend;
+
                 break;
         case CX23885_BOARD_HAUPPAUGE_HVR1255:
                 i2c_bus = &dev->i2c_bus[0];
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index 1a2ac518a3f1..214a55e943b7 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -288,6 +288,10 @@ struct cx23885_tsport {
         /* Allow a single tsport to have multiple frontends */
         u32                        num_frontends;
         void                       *port_priv;
+
+        /* FIXME: temporary hack */
+        int (*set_frontend_save) (struct dvb_frontend *,
+                                  struct dvb_frontend_parameters *);
 };
 
 struct cx23885_dev {
diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig
index 16a5af30e9d1..6524b493e033 100644
--- a/drivers/media/video/em28xx/Kconfig
+++ b/drivers/media/video/em28xx/Kconfig
@@ -8,6 +8,8 @@ config VIDEO_EM28XX
         select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO
         select VIDEO_TVP5150 if VIDEO_HELPER_CHIPS_AUTO
         select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO
+        select VIDEO_MT9V011 if VIDEO_HELPER_CHIPS_AUTO
+
         ---help---
           This is a video4linux driver for Empia 28xx based TV cards.
 
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index c43fdb9bc888..ebd24a25fb85 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -58,6 +58,8 @@ static unsigned int card[]     = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
 module_param_array(card,  int, NULL, 0444);
 MODULE_PARM_DESC(card,     "card type");
 
+#define MT9V011_VERSION                 0x8243
+
 /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */
 static unsigned long em28xx_devused;
 
@@ -191,6 +193,13 @@ static struct em28xx_reg_seq terratec_av350_unmute_gpio[] = {
         {EM28XX_R08_GPIO,       0xff,   0xff,           10},
         {       -1,             -1,     -1,             -1},
 };
+
+static struct em28xx_reg_seq silvercrest_reg_seq[] = {
+        {EM28XX_R08_GPIO,       0xff,   0xff,           10},
+        {EM28XX_R08_GPIO,       0x01,   0xf7,           10},
+        {       -1,             -1,     -1,             -1},
+};
+
 /*
  *  Board definitions
  */
@@ -438,6 +447,18 @@ struct em28xx_board em28xx_boards[] = {
                         .amux     = EM28XX_AMUX_VIDEO,
                 } },
         },
+        [EM2820_BOARD_SILVERCREST_WEBCAM] = {
+                .name         = "Silvercrest Webcam 1.3mpix",
+                .tuner_type   = TUNER_ABSENT,
+                .is_27xx      = 1,
+                .decoder      = EM28XX_MT9V011,
+                .input        = { {
+                        .type     = EM28XX_VMUX_COMPOSITE1,
+                        .vmux     = 0,
+                        .amux     = EM28XX_AMUX_VIDEO,
+                        .gpio     = silvercrest_reg_seq,
+                } },
+        },
         [EM2821_BOARD_SUPERCOMP_USB_2] = {
                 .name         = "Supercomp USB 2.0 TV",
                 .valid        = EM28XX_BOARD_NOT_VALIDATED,
@@ -826,7 +847,7 @@ struct em28xx_board em28xx_boards[] = {
                 .tuner_gpio     = default_tuner_gpio,
                 .decoder        = EM28XX_TVP5150,
                 .has_dvb        = 1,
-                .dvb_gpio       = default_analog,
+                .dvb_gpio       = default_digital,
                 .input          = { {
                         .type     = EM28XX_VMUX_TELEVISION,
                         .vmux     = TVP5150_COMPOSITE0,
@@ -1639,6 +1660,11 @@ static unsigned short tvp5150_addrs[] = {
         I2C_CLIENT_END
 };
 
+static unsigned short mt9v011_addrs[] = {
+        0xba >> 1,
+        I2C_CLIENT_END
+};
+
 static unsigned short msp3400_addrs[] = {
         0x80 >> 1,
         0x88 >> 1,
@@ -1678,6 +1704,46 @@ static inline void em28xx_set_model(struct em28xx *dev)
                                        EM28XX_I2C_FREQ_100_KHZ;
 }
 
+/* HINT method: webcam I2C chips
+ *
+ * This method work for webcams with Micron sensors
+ */
+static int em28xx_hint_sensor(struct em28xx *dev)
+{
+        int rc;
+        char *sensor_name;
+        unsigned char cmd;
+        __be16 version_be;
+        u16 version;
+
+        if (dev->model != EM2820_BOARD_UNKNOWN)
+                return 0;
+
+        dev->i2c_client.addr = 0xba >> 1;
+        cmd = 0;
+        i2c_master_send(&dev->i2c_client, &cmd, 1);
+        rc = i2c_master_recv(&dev->i2c_client, (char *)&version_be, 2);
+        if (rc != 2)
+                return -EINVAL;
+
+        version = be16_to_cpu(version_be);
+
+        switch (version) {
+        case MT9V011_VERSION:
+                dev->model = EM2820_BOARD_SILVERCREST_WEBCAM;
+                sensor_name = "mt9v011";
+                break;
+        default:
+                printk("Unknown Sensor 0x%04x\n", be16_to_cpu(version));
+                return -EINVAL;
+        }
+
+        em28xx_errdev("Sensor is %s, assuming that webcam is %s\n",
+                      sensor_name, em28xx_boards[dev->model].name);
+
+        return 0;
+}
+
 /* Since em28xx_pre_card_setup() requires a proper dev->model,
  * this won't work for boards with generic PCI IDs
  */
@@ -1706,7 +1772,10 @@ void em28xx_pre_card_setup(struct em28xx *dev)
                         em28xx_info("chip ID is em2750\n");
                         break;
                 case CHIP_ID_EM2820:
-                        em28xx_info("chip ID is em2820\n");
+                        if (dev->board.is_27xx)
+                                em28xx_info("chip is em2710\n");
+                        else
+                                em28xx_info("chip ID is em2820\n");
                         break;
                 case CHIP_ID_EM2840:
                         em28xx_info("chip ID is em2840\n");
@@ -2158,6 +2227,10 @@ void em28xx_card_setup(struct em28xx *dev)
                    before probing the i2c bus. */
                 em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
                 break;
+        case EM2820_BOARD_SILVERCREST_WEBCAM:
+                /* FIXME: need to document the registers bellow */
+                em28xx_write_reg(dev, 0x0d, 0x42);
+                em28xx_write_reg(dev, 0x13, 0x08);
         }
 
         if (dev->board.has_snapshot_button)
@@ -2189,6 +2262,10 @@ void em28xx_card_setup(struct em28xx *dev)
                 v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
                         "tvp5150", "tvp5150", tvp5150_addrs);
 
+        if (dev->board.decoder == EM28XX_MT9V011)
+                v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
+                        "mt9v011", "mt9v011", mt9v011_addrs);
+
         if (dev->board.adecoder == EM28XX_TVAUDIO)
                 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
                         "tvaudio", "tvaudio", dev->board.tvaudio_addr);
@@ -2333,6 +2410,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
                 return errCode;
         }
 
+        em28xx_hint_sensor(dev);
+
         /* Do board specific init and eeprom reading */
         em28xx_card_setup(dev);
 
@@ -2573,6 +2652,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
         retval = em28xx_init_dev(&dev, udev, interface, nr);
         if (retval) {
                 em28xx_devused &= ~(1<<dev->devno);
+                mutex_unlock(&dev->lock);
                 kfree(dev);
                 goto err;
         }
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index c8d7ce8fbd36..079ab4d563a6 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -648,17 +648,28 @@ int em28xx_capture_start(struct em28xx *dev, int start)
 int em28xx_set_outfmt(struct em28xx *dev)
 {
         int ret;
+        int vinmode, vinctl, outfmt;
+
+        outfmt  = dev->format->reg;
+
+        if (dev->board.is_27xx) {
+                vinmode = 0x0d;
+                vinctl  = 0x00;
+        } else {
+                vinmode = 0x10;
+                vinctl  = 0x11;
+        }
 
         ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT,
-                                    dev->format->reg | 0x20, 0x3f);
+                                outfmt | 0x20, 0xff);
         if (ret < 0)
-                return ret;
+                        return ret;
 
-        ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10);
+        ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, vinmode);
         if (ret < 0)
                 return ret;
 
-        return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x11);
+        return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctl);
 }
 
 static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
@@ -695,13 +706,19 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
 {
         u8 mode;
         /* the em2800 scaler only supports scaling down to 50% */
-        if (dev->board.is_em2800)
+
+        if (dev->board.is_27xx) {
+                /* FIXME: Don't use the scaler yet */
+                mode = 0;
+        } else if (dev->board.is_em2800) {
                 mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00);
-        else {
+        } else {
                 u8 buf[2];
+
                 buf[0] = h;
                 buf[1] = h >> 8;
                 em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2);
+
                 buf[0] = v;
                 buf[1] = v >> 8;
                 em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2);
@@ -720,8 +737,11 @@ int em28xx_resolution_set(struct em28xx *dev)
         height = norm_maxh(dev) >> 1;
 
         em28xx_set_outfmt(dev);
+
+
         em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
         em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
+
         return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
 }
 
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index e7b47c8da8f3..3da97c32b8fa 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -243,6 +243,14 @@ static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 };
 
+static struct zl10353_config em28xx_terratec_xs_zl10353_xc3028 = {
+        .demod_address = (0x1e >> 1),
+        .no_tuner = 1,
+        .disable_i2c_gate_ctrl = 1,
+        .parallel_ts = 1,
+        .if2 = 45600,
+};
+
 #ifdef EM28XX_DRX397XD_SUPPORT
 /* [TODO] djh - not sure yet what the device config needs to contain */
 static struct drx397xD_config em28xx_drx397xD_with_xc3028 = {
@@ -433,7 +441,6 @@ static int dvb_init(struct em28xx *dev)
                 }
                 break;
         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
-        case EM2880_BOARD_TERRATEC_HYBRID_XS:
         case EM2880_BOARD_KWORLD_DVB_310U:
         case EM2880_BOARD_EMPIRE_DUAL_TV:
                 dvb->frontend = dvb_attach(zl10353_attach,
@@ -444,6 +451,25 @@ static int dvb_init(struct em28xx *dev)
                         goto out_free;
                 }
                 break;
+        case EM2880_BOARD_TERRATEC_HYBRID_XS:
+                dvb->frontend = dvb_attach(zl10353_attach,
+                                           &em28xx_terratec_xs_zl10353_xc3028,
+                                           &dev->i2c_adap);
+                if (dvb->frontend == NULL) {
+                        /* This board could have either a zl10353 or a mt352.
+                           If the chip id isn't for zl10353, try mt352 */
+
+                        /* FIXME: make support for mt352 work */
+                        printk(KERN_ERR "version of this board with mt352 not "
+                               "currently supported\n");
+                        result = -EINVAL;
+                        goto out_free;
+                }
+                if (attach_xc3028(0x61, dev) < 0) {
+                        result = -EINVAL;
+                        goto out_free;
+                }
+                break;
         case EM2883_BOARD_KWORLD_HYBRID_330U:
         case EM2882_BOARD_EVGA_INDTUBE:
                 dvb->frontend = dvb_attach(s5h1409_attach,
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index 2c86fcf089f5..27e33a287dfc 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -483,7 +483,7 @@ static char *i2c_devs[128] = {
         [0xa0 >> 1] = "eeprom",
         [0xb0 >> 1] = "tda9874",
         [0xb8 >> 1] = "tvp5150a",
-        [0xba >> 1] = "tvp5150a",
+        [0xba >> 1] = "webcam sensor or tvp5150a",
         [0xc0 >> 1] = "tuner (analog)",
         [0xc2 >> 1] = "tuner (analog)",
         [0xc4 >> 1] = "tuner (analog)",
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 8fe1beecfffa..14316c912179 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -90,10 +90,35 @@ MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
 /* supported video standards */
 static struct em28xx_fmt format[] = {
         {
-                .name     = "16bpp YUY2, 4:2:2, packed",
+                .name     = "16 bpp YUY2, 4:2:2, packed",
                 .fourcc   = V4L2_PIX_FMT_YUYV,
                 .depth    = 16,
                 .reg      = EM28XX_OUTFMT_YUV422_Y0UY1V,
+        }, {
+                .name     = "16 bpp RGB 565, LE",
+                .fourcc   = V4L2_PIX_FMT_RGB565,
+                .depth    = 16,
+                .reg      = EM28XX_OUTFMT_RGB_16_656,
+        }, {
+                .name     = "8 bpp Bayer BGBG..GRGR",
+                .fourcc   = V4L2_PIX_FMT_SBGGR8,
+                .depth    = 8,
+                .reg      = EM28XX_OUTFMT_RGB_8_BGBG,
+        }, {
+                .name     = "8 bpp Bayer GRGR..BGBG",
+                .fourcc   = V4L2_PIX_FMT_SGRBG8,
+                .depth    = 8,
+                .reg      = EM28XX_OUTFMT_RGB_8_GRGR,
+        }, {
+                .name     = "8 bpp Bayer GBGB..RGRG",
+                .fourcc   = V4L2_PIX_FMT_SGBRG8,
+                .depth    = 8,
+                .reg      = EM28XX_OUTFMT_RGB_8_GBGB,
+        }, {
+                .name     = "12 bpp YUV411",
+                .fourcc   = V4L2_PIX_FMT_YUV411P,
+                .depth    = 12,
+                .reg      = EM28XX_OUTFMT_YUV411,
         },
 };
 
@@ -701,7 +726,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
                 return -EINVAL;
         }
 
-        if (dev->board.is_em2800) {
+        if (dev->board.is_27xx) {
+                /* FIXME: This is the only supported fmt */
+                width  = 640;
+                height = 480;
+        } else if (dev->board.is_em2800) {
                 /* the em2800 can only scale down to 50% */
                 height = height > (3 * maxh / 4) ? maxh : maxh / 2;
                 width = width > (3 * maxw / 4) ? maxw : maxw / 2;
@@ -733,13 +762,40 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
         return 0;
 }
 
+static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc,
+                                   unsigned width, unsigned height)
+{
+        struct em28xx_fmt     *fmt;
+
+        /* FIXME: This is the only supported fmt */
+        if (dev->board.is_27xx) {
+                width  = 640;
+                height = 480;
+        }
+
+        fmt = format_by_fourcc(fourcc);
+        if (!fmt)
+                return -EINVAL;
+
+        dev->format = fmt;
+        dev->width  = width;
+        dev->height = height;
+
+        /* set new image size */
+        get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
+
+        em28xx_set_alternate(dev);
+        em28xx_resolution_set(dev);
+
+        return 0;
+}
+
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
                         struct v4l2_format *f)
 {
         struct em28xx_fh      *fh  = priv;
         struct em28xx         *dev = fh->dev;
         int                   rc;
-        struct em28xx_fmt     *fmt;
 
         rc = check_dev(dev);
         if (rc < 0)
@@ -749,12 +805,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 
         vidioc_try_fmt_vid_cap(file, priv, f);
 
-        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-        if (!fmt) {
-                rc = -EINVAL;
-                goto out;
-        }
-
         if (videobuf_queue_is_busy(&fh->vb_vidq)) {
                 em28xx_errdev("%s queue busy\n", __func__);
                 rc = -EBUSY;
@@ -767,16 +817,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
                 goto out;
         }
 
-        /* set new image size */
-        dev->width = f->fmt.pix.width;
-        dev->height = f->fmt.pix.height;
-        dev->format = fmt;
-        get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
-
-        em28xx_set_alternate(dev);
-        em28xx_resolution_set(dev);
-
-        rc = 0;
+        rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat,
+                                f->fmt.pix.width, f->fmt.pix.height);
 
 out:
         mutex_unlock(&dev->lock);
@@ -1616,11 +1658,6 @@ static int em28xx_v4l2_open(struct file *filp)
         filp->private_data = fh;
 
         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
-                dev->width = norm_maxw(dev);
-                dev->height = norm_maxh(dev);
-                dev->hscale = 0;
-                dev->vscale = 0;
-
                 em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
                 em28xx_set_alternate(dev);
                 em28xx_resolution_set(dev);
@@ -1962,15 +1999,14 @@ int em28xx_register_analog_devices(struct em28xx *dev)
 
         /* set default norm */
         dev->norm = em28xx_video_template.current_norm;
-        dev->width = norm_maxw(dev);
-        dev->height = norm_maxh(dev);
         dev->interlaced = EM28XX_INTERLACED_DEFAULT;
-        dev->hscale = 0;
-        dev->vscale = 0;
         dev->ctl_input = 0;
 
         /* Analog specific initialization */
         dev->format = &format[0];
+        em28xx_set_video_format(dev, format[0].fourcc,
+                                norm_maxw(dev), norm_maxh(dev));
+
         video_mux(dev, dev->ctl_input);
 
         /* Audio defaults */
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 813ce45c2f99..d90fef463764 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -107,6 +107,7 @@
 #define EM2860_BOARD_TERRATEC_AV350               68
 #define EM2882_BOARD_KWORLD_ATSC_315U             69
 #define EM2882_BOARD_EVGA_INDTUBE                 70
+#define EM2820_BOARD_SILVERCREST_WEBCAM           71
 
 /* Limits minimum and default number of buffers */
 #define EM28XX_MIN_BUF 4
@@ -360,6 +361,7 @@ enum em28xx_decoder {
         EM28XX_NODECODER,
         EM28XX_TVP5150,
         EM28XX_SAA711X,
+        EM28XX_MT9V011,
 };
 
 enum em28xx_adecoder {
@@ -388,6 +390,7 @@ struct em28xx_board {
         unsigned int max_range_640_480:1;
         unsigned int has_dvb:1;
         unsigned int has_snapshot_button:1;
+        unsigned int is_27xx:1;
         unsigned int valid:1;
 
         unsigned char xclk, i2c_speed;
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx.h b/drivers/media/video/gspca/stv06xx/stv06xx.h
index 9df7137fe67e..992ce530f138 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx.h
+++ b/drivers/media/video/gspca/stv06xx/stv06xx.h
@@ -36,10 +36,6 @@
 
 #define STV_ISOC_ENDPOINT_ADDR          0x81
 
-#ifndef V4L2_PIX_FMT_SGRBG8
-#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G')
-#endif
-
 #define STV_REG23                       0x0423
 
 /* Control registers of the STV0600 ASIC */
diff --git a/drivers/media/video/mt9v011.c b/drivers/media/video/mt9v011.c
new file mode 100644
index 000000000000..1fe8fc9183a7
--- /dev/null
+++ b/drivers/media/video/mt9v011.c
@@ -0,0 +1,431 @@
+/*
+ * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor
+ *
+ * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com)
+ * This code is placed under the terms of the GNU General Public License v2
+ */
+
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <linux/delay.h>
+#include <media/v4l2-device.h>
+#include "mt9v011.h"
+#include <media/v4l2-i2c-drv.h>
+#include <media/v4l2-chip-ident.h>
+
+MODULE_DESCRIPTION("Micron mt9v011 sensor driver");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_LICENSE("GPL");
+
+
+static int debug;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0-2)");
+
+/* supported controls */
+static struct v4l2_queryctrl mt9v011_qctrl[] = {
+        {
+                .id = V4L2_CID_GAIN,
+                .type = V4L2_CTRL_TYPE_INTEGER,
+                .name = "Gain",
+                .minimum = 0,
+                .maximum = (1 << 10) - 1,
+                .step = 1,
+                .default_value = 0x0020,
+                .flags = 0,
+        }, {
+                .id = V4L2_CID_RED_BALANCE,
+                .type = V4L2_CTRL_TYPE_INTEGER,
+                .name = "Red Balance",
+                .minimum = -1 << 9,
+                .maximum = (1 << 9) - 1,
+                .step = 1,
+                .default_value = 0,
+                .flags = 0,
+        }, {
+                .id = V4L2_CID_BLUE_BALANCE,
+                .type = V4L2_CTRL_TYPE_INTEGER,
+                .name = "Blue Balance",
+                .minimum = -1 << 9,
+                .maximum = (1 << 9) - 1,
+                .step = 1,
+                .default_value = 0,
+                .flags = 0,
+        },
+};
+
+struct mt9v011 {
+        struct v4l2_subdev sd;
+        unsigned width, height;
+
+        u16 global_gain, red_bal, blue_bal;
+};
+
+static inline struct mt9v011 *to_mt9v011(struct v4l2_subdev *sd)
+{
+        return container_of(sd, struct mt9v011, sd);
+}
+
+static int mt9v011_read(struct v4l2_subdev *sd, unsigned char addr)
+{
+        struct i2c_client *c = v4l2_get_subdevdata(sd);
+        __be16 buffer;
+        int rc, val;
+
+        rc = i2c_master_send(c, &addr, 1);
+        if (rc != 1)
+                v4l2_dbg(0, debug, sd,
+                         "i2c i/o error: rc == %d (should be 1)\n", rc);
+
+        msleep(10);
+
+        rc = i2c_master_recv(c, (char *)&buffer, 2);
+        if (rc != 2)
+                v4l2_dbg(0, debug, sd,
+                         "i2c i/o error: rc == %d (should be 2)\n", rc);
+
+        val = be16_to_cpu(buffer);
+
+        v4l2_dbg(2, debug, sd, "mt9v011: read 0x%02x = 0x%04x\n", addr, val);
+
+        return val;
+}
+
+static void mt9v011_write(struct v4l2_subdev *sd, unsigned char addr,
+                                 u16 value)
+{
+        struct i2c_client *c = v4l2_get_subdevdata(sd);
+        unsigned char buffer[3];
+        int rc;
+
+        buffer[0] = addr;
+        buffer[1] = value >> 8;
+        buffer[2] = value & 0xff;
+
+        v4l2_dbg(2, debug, sd,
+                 "mt9v011: writing 0x%02x 0x%04x\n", buffer[0], value);
+        rc = i2c_master_send(c, buffer, 3);
+        if (rc != 3)
+                v4l2_dbg(0, debug, sd,
+                         "i2c i/o error: rc == %d (should be 3)\n", rc);
+}
+
+
+struct i2c_reg_value {
+        unsigned char reg;
+        u16           value;
+};
+
+/*
+ * Values used at the original driver
+ * Some values are marked as Reserved at the datasheet
+ */
+static const struct i2c_reg_value mt9v011_init_default[] = {
+                { R0D_MT9V011_RESET, 0x0001 },
+                { R0D_MT9V011_RESET, 0x0000 },
+
+                { R0C_MT9V011_SHUTTER_DELAY, 0x0000 },
+                { R09_MT9V011_SHUTTER_WIDTH, 0x1fc },
+
+                { R0A_MT9V011_CLK_SPEED, 0x0000 },
+                { R1E_MT9V011_DIGITAL_ZOOM,  0x0000 },
+                { R20_MT9V011_READ_MODE, 0x1000 },
+
+                { R07_MT9V011_OUT_CTRL, 0x000a },       /* chip enable */
+};
+
+static void set_balance(struct v4l2_subdev *sd)
+{
+        struct mt9v011 *core = to_mt9v011(sd);
+        u16 green1_gain, green2_gain, blue_gain, red_gain;
+
+        green1_gain = core->global_gain;
+        green2_gain = core->global_gain;
+
+        blue_gain = core->global_gain +
+                    core->global_gain * core->blue_bal / (1 << 9);
+
+        red_gain = core->global_gain +
+                   core->global_gain * core->blue_bal / (1 << 9);
+
+        mt9v011_write(sd, R2B_MT9V011_GREEN_1_GAIN, green1_gain);
+        mt9v011_write(sd, R2E_MT9V011_GREEN_2_GAIN,  green1_gain);
+        mt9v011_write(sd, R2C_MT9V011_BLUE_GAIN, blue_gain);
+        mt9v011_write(sd, R2D_MT9V011_RED_GAIN, red_gain);
+}
+
+static void set_res(struct v4l2_subdev *sd)
+{
+        struct mt9v011 *core = to_mt9v011(sd);
+        unsigned vstart, hstart;
+
+        /*
+         * The mt9v011 doesn't have scaling. So, in order to select the desired
+         * resolution, we're cropping at the middle of the sensor.
+         * hblank and vblank should be adjusted, in order to warrant that
+         * we'll preserve the line timings for 30 fps, no matter what resolution
+         * is selected.
+         * NOTE: datasheet says that width (and height) should be filled with
+         * width-1. However, this doesn't work, since one pixel per line will
+         * be missing.
+         */
+
+        hstart = 14 + (640 - core->width) / 2;
+        mt9v011_write(sd, R02_MT9V011_COLSTART, hstart);
+        mt9v011_write(sd, R04_MT9V011_WIDTH, core->width);
+        mt9v011_write(sd, R05_MT9V011_HBLANK, 771 - core->width);
+
+        vstart = 8 + (640 - core->height) / 2;
+        mt9v011_write(sd, R01_MT9V011_ROWSTART, vstart);
+        mt9v011_write(sd, R03_MT9V011_HEIGHT, core->height);
+        mt9v011_write(sd, R06_MT9V011_VBLANK, 508 - core->height);
+};
+
+static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
+{
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(mt9v011_init_default); i++)
+                mt9v011_write(sd, mt9v011_init_default[i].reg,
+                               mt9v011_init_default[i].value);
+
+        set_balance(sd);
+        set_res(sd);
+
+        return 0;
+};
+
+static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+        struct mt9v011 *core = to_mt9v011(sd);
+
+        v4l2_dbg(1, debug, sd, "g_ctrl called\n");
+
+        switch (ctrl->id) {
+        case V4L2_CID_GAIN:
+                ctrl->value = core->global_gain;
+                return 0;
+        case V4L2_CID_RED_BALANCE:
+                ctrl->value = core->red_bal;
+                return 0;
+        case V4L2_CID_BLUE_BALANCE:
+                ctrl->value = core->blue_bal;
+                return 0;
+        }
+        return -EINVAL;
+}
+
+static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+        struct mt9v011 *core = to_mt9v011(sd);
+        u8 i, n;
+        n = ARRAY_SIZE(mt9v011_qctrl);
+
+        for (i = 0; i < n; i++) {
+                if (ctrl->id != mt9v011_qctrl[i].id)
+                        continue;
+                if (ctrl->value < mt9v011_qctrl[i].minimum ||
+                    ctrl->value > mt9v011_qctrl[i].maximum)
+                        return -ERANGE;
+                v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",
+                                        ctrl->id, ctrl->value);
+                break;
+        }
+
+        switch (ctrl->id) {
+        case V4L2_CID_GAIN:
+                core->global_gain = ctrl->value;
+                break;
+        case V4L2_CID_RED_BALANCE:
+                core->red_bal = ctrl->value;
+                break;
+        case V4L2_CID_BLUE_BALANCE:
+                core->blue_bal = ctrl->value;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        set_balance(sd);
+
+        return 0;
+}
+
+static int mt9v011_enum_fmt(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt)
+{
+        if (fmt->index > 0)
+                return -EINVAL;
+
+        fmt->flags = 0;
+        strcpy(fmt->description, "8 bpp Bayer GRGR..BGBG");
+        fmt->pixelformat = V4L2_PIX_FMT_SGRBG8;
+
+        return 0;
+}
+
+static int mt9v011_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+{
+        struct v4l2_pix_format *pix = &fmt->fmt.pix;
+
+        if (pix->pixelformat != V4L2_PIX_FMT_SGRBG8)
+                return -EINVAL;
+
+        v4l_bound_align_image(&pix->width, 48, 639, 1,
+                              &pix->height, 32, 480, 1, 0);
+
+        return 0;
+}
+
+static int mt9v011_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+{
+        struct v4l2_pix_format *pix = &fmt->fmt.pix;
+        struct mt9v011 *core = to_mt9v011(sd);
+        int rc;
+
+        rc = mt9v011_try_fmt(sd, fmt);
+        if (rc < 0)
+                return -EINVAL;
+
+        core->width = pix->width;
+        core->height = pix->height;
+
+        set_res(sd);
+
+        return 0;
+}
+
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int mt9v011_g_register(struct v4l2_subdev *sd,
+                              struct v4l2_dbg_register *reg)
+{
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+        if (!v4l2_chip_match_i2c_client(client, &reg->match))
+                return -EINVAL;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        reg->val = mt9v011_read(sd, reg->reg & 0xff);
+        reg->size = 2;
+
+        return 0;
+}
+
+static int mt9v011_s_register(struct v4l2_subdev *sd,
+                              struct v4l2_dbg_register *reg)
+{
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+        if (!v4l2_chip_match_i2c_client(client, &reg->match))
+                return -EINVAL;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff);
+
+        return 0;
+}
+#endif
+
+static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
+                                struct v4l2_dbg_chip_ident *chip)
+{
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+        return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011,
+                                          MT9V011_VERSION);
+}
+
+static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
+        .g_ctrl = mt9v011_g_ctrl,
+        .s_ctrl = mt9v011_s_ctrl,
+        .reset = mt9v011_reset,
+        .g_chip_ident = mt9v011_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+        .g_register = mt9v011_g_register,
+        .s_register = mt9v011_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_video_ops mt9v011_video_ops = {
+        .enum_fmt = mt9v011_enum_fmt,
+        .try_fmt = mt9v011_try_fmt,
+        .s_fmt = mt9v011_s_fmt,
+};
+
+static const struct v4l2_subdev_ops mt9v011_ops = {
+        .core  = &mt9v011_core_ops,
+        .video = &mt9v011_video_ops,
+};
+
+
+/****************************************************************************
+                        I2C Client & Driver
+ ****************************************************************************/
+
+static int mt9v011_probe(struct i2c_client *c,
+                         const struct i2c_device_id *id)
+{
+        u16 version;
+        struct mt9v011 *core;
+        struct v4l2_subdev *sd;
+
+        /* Check if the adapter supports the needed features */
+        if (!i2c_check_functionality(c->adapter,
+             I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+                return -EIO;
+
+        core = kzalloc(sizeof(struct mt9v011), GFP_KERNEL);
+        if (!core)
+                return -ENOMEM;
+
+        sd = &core->sd;
+        v4l2_i2c_subdev_init(sd, c, &mt9v011_ops);
+
+        /* Check if the sensor is really a MT9V011 */
+        version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
+        if (version != MT9V011_VERSION) {
+                v4l2_info(sd, "*** unknown micron chip detected (0x%04x.\n",
+                          version);
+                kfree(core);
+                return -EINVAL;
+        }
+
+        core->global_gain = 0x0024;
+        core->width  = 640;
+        core->height = 480;
+
+        v4l_info(c, "chip found @ 0x%02x (%s)\n",
+                 c->addr << 1, c->adapter->name);
+
+        return 0;
+}
+
+static int mt9v011_remove(struct i2c_client *c)
+{
+        struct v4l2_subdev *sd = i2c_get_clientdata(c);
+
+        v4l2_dbg(1, debug, sd,
+                "mt9v011.c: removing mt9v011 adapter on address 0x%x\n",
+                c->addr << 1);
+
+        v4l2_device_unregister_subdev(sd);
+        kfree(to_mt9v011(sd));
+        return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct i2c_device_id mt9v011_id[] = {
+        { "mt9v011", 0 },
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, mt9v011_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+        .name = "mt9v011",
+        .probe = mt9v011_probe,
+        .remove = mt9v011_remove,
+        .id_table = mt9v011_id,
+};
diff --git a/drivers/media/video/mt9v011.h b/drivers/media/video/mt9v011.h
new file mode 100644
index 000000000000..9e443ee30558
--- /dev/null
+++ b/drivers/media/video/mt9v011.h
@@ -0,0 +1,35 @@
+/*
+ * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor
+ *
+ * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com)
+ * This code is placed under the terms of the GNU General Public License v2
+ */
+
+#ifndef MT9V011_H_
+#define MT9V011_H_
+
+#define R00_MT9V011_CHIP_VERSION        0x00
+#define R01_MT9V011_ROWSTART            0x01
+#define R02_MT9V011_COLSTART            0x02
+#define R03_MT9V011_HEIGHT              0x03
+#define R04_MT9V011_WIDTH               0x04
+#define R05_MT9V011_HBLANK              0x05
+#define R06_MT9V011_VBLANK              0x06
+#define R07_MT9V011_OUT_CTRL            0x07
+#define R09_MT9V011_SHUTTER_WIDTH       0x09
+#define R0A_MT9V011_CLK_SPEED           0x0a
+#define R0B_MT9V011_RESTART             0x0b
+#define R0C_MT9V011_SHUTTER_DELAY       0x0c
+#define R0D_MT9V011_RESET               0x0d
+#define R1E_MT9V011_DIGITAL_ZOOM        0x1e
+#define R20_MT9V011_READ_MODE           0x20
+#define R2B_MT9V011_GREEN_1_GAIN        0x2b
+#define R2C_MT9V011_BLUE_GAIN           0x2c
+#define R2D_MT9V011_RED_GAIN            0x2d
+#define R2E_MT9V011_GREEN_2_GAIN        0x2e
+#define R35_MT9V011_GLOBAL_GAIN         0x35
+#define RF1_MT9V011_CHIP_ENABLE         0xf1
+
+#define MT9V011_VERSION                 0x8243
+
+#endif
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index 16f595d4337a..9f5ae8167855 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -237,11 +237,11 @@ static int soc_camera_init_user_formats(struct soc_camera_device *icd)
                 return -ENOMEM;
 
         icd->num_user_formats = fmts;
-        fmts = 0;
 
         dev_dbg(&icd->dev, "Found %d supported formats.\n", fmts);
 
         /* Second pass - actually fill data formats */
+        fmts = 0;
         for (i = 0; i < icd->num_formats; i++)
                 if (!ici->ops->get_formats) {
                         icd->user_formats[i].host_fmt = icd->formats + i;
@@ -877,8 +877,11 @@ static int soc_camera_probe(struct device *dev)
                         (unsigned short)~0;
 
                 ret = soc_camera_init_user_formats(icd);
-                if (ret < 0)
+                if (ret < 0) {
+                        if (icd->ops->remove)
+                                icd->ops->remove(icd);
                         goto eiufmt;
+                }
 
                 icd->height     = DEFAULT_HEIGHT;
                 icd->width      = DEFAULT_WIDTH;
@@ -902,8 +905,10 @@ static int soc_camera_remove(struct device *dev)
 {
         struct soc_camera_device *icd = to_soc_camera_dev(dev);
 
+        mutex_lock(&icd->video_lock);
         if (icd->ops->remove)
                 icd->ops->remove(icd);
+        mutex_unlock(&icd->video_lock);
 
         soc_camera_free_user_formats(icd);
 
@@ -1145,6 +1150,7 @@ evidallocd:
 }
 EXPORT_SYMBOL(soc_camera_video_start);
 
+/* Called from client .remove() methods with .video_lock held */
 void soc_camera_video_stop(struct soc_camera_device *icd)
 {
         struct video_device *vdev = icd->vdev;
@@ -1154,10 +1160,8 @@ void soc_camera_video_stop(struct soc_camera_device *icd)
         if (!icd->dev.parent || !vdev)
                 return;
 
-        mutex_lock(&icd->video_lock);
         video_unregister_device(vdev);
         icd->vdev = NULL;
-        mutex_unlock(&icd->video_lock);
 }
 EXPORT_SYMBOL(soc_camera_video_stop);
 
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index cd7266858462..7705fc6baf00 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -343,6 +343,53 @@ static struct bar_std bars[] = {
 #define TO_U(r, g, b) \
         (((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
 
+/* precalculate color bar values to speed up rendering */
+static void precalculate_bars(struct vivi_fh *fh)
+{
+        struct vivi_dev *dev = fh->dev;
+        unsigned char r, g, b;
+        int k, is_yuv;
+
+        fh->input = dev->input;
+
+        for (k = 0; k < 8; k++) {
+                r = bars[fh->input].bar[k][0];
+                g = bars[fh->input].bar[k][1];
+                b = bars[fh->input].bar[k][2];
+                is_yuv = 0;
+
+                switch (fh->fmt->fourcc) {
+                case V4L2_PIX_FMT_YUYV:
+                case V4L2_PIX_FMT_UYVY:
+                        is_yuv = 1;
+                        break;
+                case V4L2_PIX_FMT_RGB565:
+                case V4L2_PIX_FMT_RGB565X:
+                        r >>= 3;
+                        g >>= 2;
+                        b >>= 3;
+                        break;
+                case V4L2_PIX_FMT_RGB555:
+                case V4L2_PIX_FMT_RGB555X:
+                        r >>= 3;
+                        g >>= 3;
+                        b >>= 3;
+                        break;
+                }
+
+                if (is_yuv) {
+                        fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
+                        fh->bars[k][1] = TO_U(r, g, b); /* Cb */
+                        fh->bars[k][2] = TO_V(r, g, b); /* Cr */
+                } else {
+                        fh->bars[k][0] = r;
+                        fh->bars[k][1] = g;
+                        fh->bars[k][2] = b;
+                }
+        }
+
+}
+
 #define TSTAMP_MIN_Y    24
 #define TSTAMP_MAX_Y    (TSTAMP_MIN_Y + 15)
 #define TSTAMP_INPUT_X  10
@@ -755,6 +802,8 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
         buf->vb.height = fh->height;
         buf->vb.field  = field;
 
+        precalculate_bars(fh);
+
         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
                 rc = videobuf_iolock(vq, &buf->vb, NULL);
                 if (rc < 0)
@@ -893,53 +942,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
         return 0;
 }
 
-/* precalculate color bar values to speed up rendering */
-static void precalculate_bars(struct vivi_fh *fh)
-{
-        struct vivi_dev *dev = fh->dev;
-        unsigned char r, g, b;
-        int k, is_yuv;
-
-        fh->input = dev->input;
-
-        for (k = 0; k < 8; k++) {
-                r = bars[fh->input].bar[k][0];
-                g = bars[fh->input].bar[k][1];
-                b = bars[fh->input].bar[k][2];
-                is_yuv = 0;
-
-                switch (fh->fmt->fourcc) {
-                case V4L2_PIX_FMT_YUYV:
-                case V4L2_PIX_FMT_UYVY:
-                        is_yuv = 1;
-                        break;
-                case V4L2_PIX_FMT_RGB565:
-                case V4L2_PIX_FMT_RGB565X:
-                        r >>= 3;
-                        g >>= 2;
-                        b >>= 3;
-                        break;
-                case V4L2_PIX_FMT_RGB555:
-                case V4L2_PIX_FMT_RGB555X:
-                        r >>= 3;
-                        g >>= 3;
-                        b >>= 3;
-                        break;
-                }
-
-                if (is_yuv) {
-                        fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
-                        fh->bars[k][1] = TO_U(r, g, b); /* Cb */
-                        fh->bars[k][2] = TO_V(r, g, b); /* Cr */
-                } else {
-                        fh->bars[k][0] = r;
-                        fh->bars[k][1] = g;
-                        fh->bars[k][2] = b;
-                }
-        }
-
-}
-
 /*FIXME: This seems to be generic enough to be at videodev2 */
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
                                         struct v4l2_format *f)
@@ -965,8 +967,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
         fh->vb_vidq.field = f->fmt.pix.field;
         fh->type          = f->type;
 
-        precalculate_bars(fh);
-
         ret = 0;
 out:
         mutex_unlock(&q->vb_lock);
@@ -1357,6 +1357,7 @@ static int __init vivi_create_instance(int inst)
                 goto unreg_dev;
 
         *vfd = vivi_template;
+        vfd->debug = debug;
 
         ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
         if (ret < 0)
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 8a025d510904..95846d988011 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -318,6 +318,8 @@ struct v4l2_pix_format {
 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
+
 /*
  * 10bit raw bayer, expanded to 16 bits
  * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index 4d7e2272c42f..11a4a2d3e364 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -155,6 +155,9 @@ enum {
         /* module cafe_ccic, just ident 8801 */
         V4L2_IDENT_CAFE = 8801,
 
+        /* module mt9v011, just ident 8243 */
+        V4L2_IDENT_MT9V011 = 8243,
+
         /* module tw9910: just ident 9910 */
         V4L2_IDENT_TW9910 = 9910,