V4L/DVB (8664): gspca: The bridge/sensor of the webcam 093a:2621 is a PAC 7302.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 294 insertions, 124 deletions

diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index 96cd7f644adf..034c00d6c0ab 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -44,6 +44,10 @@ struct sd {
         char tosof;     /* number of bytes before next start of frame */
         signed char ag_cnt;
 #define AG_CNT_START 13
+
+        __u8 sensor;
+#define SENSOR_PAC7302 0
+#define SENSOR_PAC7311 1
 };
 
 /* V4L2 controls supported by the driver */
@@ -206,9 +210,158 @@ static const __u8 pac7311_jpeg_header[] = {
         0x11, 0x00, 0x3f, 0x00
 };
 
+/* pac 7302 */
+static const __u8 probe_7302[] = {
+/*      index,value */
+        0xff, 0x01,             /* page 1 */
+        0x78, 0x00,             /* deactivate */
+        0xff, 0x01,
+        0x78, 0x40,             /* led off */
+};
+static const __u8 start_7302[] = {
+/*      index, len, [value]* */
+        0x00, 12,       0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80,
+                        0x00, 0x00, 0x00, 0x00,
+        0x0d, 24,       0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00,
+                        0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7,
+                        0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11,
+        0x26, 2,        0xaa, 0xaa,
+        0x2e, 1,        0x31,
+        0x38, 1,        0x01,
+        0x3a, 3,        0x14, 0xff, 0x5a,
+        0x43, 11,       0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11,
+                        0x00, 0x54, 0x11,
+        0x55, 1,        0x00,
+        0x62, 4,        0x10, 0x1e, 0x1e, 0x18,
+        0x6b, 1,        0x00,
+        0x6e, 3,        0x08, 0x06, 0x00,
+        0x72, 3,        0x00, 0xff, 0x00,
+        0x7d, 23,       0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c,
+                        0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50,
+                        0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00,
+        0xa2, 10,       0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9,
+                        0xd2, 0xeb,
+        0xaf, 1,        0x02,
+        0xb5, 2,        0x08, 0x08,
+        0xb8, 2,        0x08, 0x88,
+        0xc4, 4,        0xae, 0x01, 0x04, 0x01,
+        0xcc, 1,        0x00,
+        0xd1, 11,       0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9,
+                        0xc1, 0xd7, 0xec,
+        0xdc, 1,        0x01,
+        0xff, 1,        0x01,
+        0x12, 3,        0x02, 0x00, 0x01,
+        0x3e, 2,        0x00, 0x00,
+        0x76, 5,        0x01, 0x20, 0x40, 0x00, 0xf2,
+        0x7c, 1,        0x00,
+        0x7f, 10,       0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20,
+                        0x02, 0x00,
+        0x96, 5,        0x01, 0x10, 0x04, 0x01, 0x04,
+        0xc8, 17,       0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00,
+                        0x07, 0x00, 0x01, 0x07, 0x04, 0x01,
+                        0x01,
+        0xdb, 2,        0x00, 0x01,
+        0xde, 8,        0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00,
+        0xe6, 4,        0x00, 0x00, 0x00, 0x01,
+        0xeb, 1,        0x00,
+        0xff, 1,        0x02,
+        0x22, 1,        0x00,
+        0xff, 1,        0x03,
+        0x00, 255,                      /* load the page 3 */
+        0x11, 1,        0x01,
+        0xff, 1,        0x02,
+        0x13, 1,        0x00,
+        0x22, 4,        0x1f, 0xa4, 0xf0, 0x96,
+        0x27, 2,        0x14, 0x0c,
+        0x2a, 5,        0xc8, 0x00, 0x18, 0x12, 0x22,
+        0x64, 8,        0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44,
+        0x6e, 1,        0x08,
+        0xff, 1,        0x03,
+        0x78, 1,        0x00,
+        0, 0                            /* end of sequence */
+};
+
+/* page 3 - the value 0xaa says skip the index - see reg_w_page() */
+static const __u8 page3_7302[] = {
+        0x90, 0x40, 0x03, 0x50, 0xc2, 0x01, 0x14, 0x16,
+        0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00,
+        0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00,
+        0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21,
+        0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54,
+        0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00,
+        0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00,
+        0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8,
+        0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
+        0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00,
+        0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00,
+        0x00
+};
+
+/* pac 7311 */
+static const __u8 probe_7311[] = {
+        0x78, 0x40,     /* Bit_0=start stream, Bit_7=LED */
+        0x78, 0x40,     /* Bit_0=start stream, Bit_7=LED */
+        0x78, 0x44,     /* Bit_0=start stream, Bit_7=LED */
+        0xff, 0x04,
+        0x27, 0x80,
+        0x28, 0xca,
+        0x29, 0x53,
+        0x2a, 0x0e,
+        0xff, 0x01,
+        0x3e, 0x20,
+};
+
+static const __u8 start_7311[] = {
+/*      index, len, [value]* */
+        0xff, 1,        0x01,
+        0x02, 53,       0x48, 0x0a, 0x40, 0x08, 0x00, 0x00, 0x08, 0x00,
+                        0x06, 0xff, 0x11, 0xff, 0x5a, 0x30, 0x90, 0x4c,
+                        0x00, 0x07, 0x00, 0x0a, 0x10, 0x00, 0xa0, 0x10,
+                        0x02, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00,
+                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                        0x00, 0x00, 0x00,
+        0x3e, 52,       0x00, 0x00, 0x78, 0x52, 0x4a, 0x52, 0x78, 0x6e,
+                        0x48, 0x46, 0x48, 0x6e, 0x5f, 0x49, 0x42, 0x49,
+                        0x5f, 0x5f, 0x49, 0x42, 0x49, 0x5f, 0x6e, 0x48,
+                        0x46, 0x48, 0x6e, 0x78, 0x52, 0x4a, 0x52, 0x78,
+                        0x00, 0x00, 0x09, 0x1b, 0x34, 0x49, 0x5c, 0x9b,
+                        0xd0, 0xff,
+        0x78, 6,        0x44, 0x00, 0xf2, 0x01, 0x01, 0x80,
+        0x7f, 18,       0x2a, 0x1c, 0x00, 0xc8, 0x02, 0x58, 0x03, 0x84,
+                        0x12, 0x00, 0x1a, 0x04, 0x08, 0x0c, 0x10, 0x14,
+                        0x18, 0x20,
+        0x96, 3,        0x01, 0x08, 0x04,
+        0xa0, 4,        0x44, 0x44, 0x44, 0x04,
+        0xf0, 13,       0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00,
+                        0x3f, 0x00, 0x0a, 0x01, 0x00,
+        0xff, 1,        0x04,
+        0x00, 254,                      /* load the page 4 */
+        0x11, 1,        0x01,
+        0, 0                            /* end of sequence */
+};
+
+/* page 4 - the value 0xaa says skip the index - see reg_w_page() */
+static const __u8 page4_7311[] = {
+        0xaa, 0xaa, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f,
+        0x09, 0x00, 0xaa, 0xaa, 0x07, 0x00, 0x00, 0x62,
+        0x08, 0xaa, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, 0xaa,
+        0xaa, 0x00, 0x08, 0xaa, 0x03, 0xaa, 0x00, 0x01,
+        0xca, 0x10, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00,
+        0x23, 0x28, 0x04, 0x11, 0x00, 0x00
+};
+
 static void reg_w_buf(struct gspca_dev *gspca_dev,
-                  __u16 index,
-                  const char *buffer, __u16 len)
+                  __u8 index,
+                  const char *buffer, int len)
 {
         memcpy(gspca_dev->usb_buf, buffer, len);
         usb_control_msg(gspca_dev->dev,
@@ -221,7 +374,7 @@ static void reg_w_buf(struct gspca_dev *gspca_dev,
 }
 
 static __u8 reg_r(struct gspca_dev *gspca_dev,
-                             __u16 index)
+                             __u8 index)
 {
         usb_control_msg(gspca_dev->dev,
                         usb_rcvctrlpipe(gspca_dev->dev, 0),
@@ -234,7 +387,7 @@ static __u8 reg_r(struct gspca_dev *gspca_dev,
 }
 
 static void reg_w(struct gspca_dev *gspca_dev,
-                  __u16 index,
+                  __u8 index,
                   __u8 value)
 {
         gspca_dev->usb_buf[0] = value;
@@ -246,6 +399,74 @@ static void reg_w(struct gspca_dev *gspca_dev,
                         500);
 }
 
+static void reg_w_seq(struct gspca_dev *gspca_dev,
+                const __u8 *seq, int len)
+{
+        while (--len >= 0) {
+                reg_w(gspca_dev, seq[0], seq[1]);
+                seq += 2;
+        }
+}
+
+/* load the beginning of a page */
+static void reg_w_page(struct gspca_dev *gspca_dev,
+                        const __u8 *page, int len)
+{
+        int index;
+
+        for (index = 0; index < len; index++) {
+                if (page[index] == 0xaa)                /* skip this index */
+                        continue;
+                gspca_dev->usb_buf[0] = page[index];
+                usb_control_msg(gspca_dev->dev,
+                                usb_sndctrlpipe(gspca_dev->dev, 0),
+                                0,                      /* request */
+                        USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                                0, index, gspca_dev->usb_buf, 1,
+                                500);
+        }
+}
+
+/* output a variable sequence */
+static void reg_w_var(struct gspca_dev *gspca_dev,
+                        const __u8 *seq)
+{
+        int index, len;
+
+        for (;;) {
+                index = *seq++;
+                len = *seq++;
+                switch (len) {
+                case 0:
+                        return;
+                case 254:
+                        reg_w_page(gspca_dev, page4_7311, sizeof page4_7311);
+                        break;
+                case 255:
+                        reg_w_page(gspca_dev, page3_7302, sizeof page3_7302);
+                        break;
+                default:
+                        if (len > 32) {
+                                PDEBUG(D_ERR|D_STREAM,
+                                        "Incorrect variable sequence");
+                                return;
+                        }
+                        while (len > 0) {
+                                if (len < 8) {
+                                        reg_w_buf(gspca_dev, index, seq, len);
+                                        seq += len;
+                                        break;
+                                }
+                                reg_w_buf(gspca_dev, index, seq, 8);
+                                seq += 8;
+                                index += 8;
+                                len -= 8;
+                        }
+                }
+        }
+        /* not reached */
+}
+
 /* this function is called at probe time */
 static int sd_config(struct gspca_dev *gspca_dev,
                         const struct usb_device_id *id)
@@ -253,22 +474,23 @@ static int sd_config(struct gspca_dev *gspca_dev,
         struct sd *sd = (struct sd *) gspca_dev;
         struct cam *cam;
 
-        PDEBUG(D_CONF, "Find Sensor PAC7311");
-        reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */
-        reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */
-        reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
-        reg_w(gspca_dev, 0xff, 0x04);
-        reg_w(gspca_dev, 0x27, 0x80);
-        reg_w(gspca_dev, 0x28, 0xca);
-        reg_w(gspca_dev, 0x29, 0x53);
-        reg_w(gspca_dev, 0x2a, 0x0e);
-        reg_w(gspca_dev, 0xff, 0x01);
-        reg_w(gspca_dev, 0x3e, 0x20);
-
         cam = &gspca_dev->cam;
         cam->epaddr = 0x05;
-        cam->cam_mode = vga_mode;
-        cam->nmodes = ARRAY_SIZE(vga_mode);
+
+        sd->sensor = id->driver_info;
+        if (sd->sensor == SENSOR_PAC7302) {
+                PDEBUG(D_CONF, "Find Sensor PAC7302");
+                reg_w_seq(gspca_dev, probe_7302, sizeof probe_7302);
+
+                cam->cam_mode = &vga_mode[2];   /* only 640x480 */
+                cam->nmodes = 1;
+        } else {
+                PDEBUG(D_CONF, "Find Sensor PAC7311");
+                reg_w_seq(gspca_dev, probe_7302, sizeof probe_7302);
+
+                cam->cam_mode = vga_mode;
+                cam->nmodes = ARRAY_SIZE(vga_mode);
+        }
 
         sd->brightness = BRIGHTNESS_DEF;
         sd->contrast = CONTRAST_DEF;
@@ -283,10 +505,11 @@ static void setbrightness(struct gspca_dev *gspca_dev)
         struct sd *sd = (struct sd *) gspca_dev;
         int brightness;
 
+        if (sd->sensor == SENSOR_PAC7302)
+                return;
 /*jfm: inverted?*/
         brightness = BRIGHTNESS_MAX - sd->brightness;
         reg_w(gspca_dev, 0xff, 0x04);
-/*      reg_w(gspca_dev, 0x0e, 0x00); */
         reg_w(gspca_dev, 0x0f, brightness);
         /* load registers to sensor (Bit 0, auto clear) */
         reg_w(gspca_dev, 0x11, 0x01);
@@ -297,6 +520,8 @@ static void setcontrast(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
+        if (sd->sensor == SENSOR_PAC7302)
+                return;
         reg_w(gspca_dev, 0xff, 0x01);
         reg_w(gspca_dev, 0x80, sd->contrast);
         /* load registers to sensor (Bit 0, auto clear) */
@@ -308,6 +533,8 @@ static void setcolors(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
+        if (sd->sensor == SENSOR_PAC7302)
+                return;
         reg_w(gspca_dev, 0xff, 0x01);
         reg_w(gspca_dev, 0x10, sd->colors);
         /* load registers to sensor (Bit 0, auto clear) */
@@ -340,75 +567,12 @@ static void sd_start(struct gspca_dev *gspca_dev)
 
         sd->ffnb = 0;
         sd->tosof = 0;
-        reg_w(gspca_dev, 0xff, 0x01);
-        reg_w_buf(gspca_dev, 0x0002, "\x48\x0a\x40\x08\x00\x00\x08\x00", 8);
-        reg_w_buf(gspca_dev, 0x000a, "\x06\xff\x11\xff\x5a\x30\x90\x4c", 8);
-        reg_w_buf(gspca_dev, 0x0012, "\x00\x07\x00\x0a\x10\x00\xa0\x10", 8);
-        reg_w_buf(gspca_dev, 0x001a, "\x02\x00\x00\x00\x00\x0b\x01\x00", 8);
-        reg_w_buf(gspca_dev, 0x0022, "\x00\x00\x00\x00\x00\x00\x00\x00", 8);
-        reg_w_buf(gspca_dev, 0x002a, "\x00\x00\x00", 3);
-        reg_w_buf(gspca_dev, 0x003e, "\x00\x00\x78\x52\x4a\x52\x78\x6e", 8);
-        reg_w_buf(gspca_dev, 0x0046, "\x48\x46\x48\x6e\x5f\x49\x42\x49", 8);
-        reg_w_buf(gspca_dev, 0x004e, "\x5f\x5f\x49\x42\x49\x5f\x6e\x48", 8);
-        reg_w_buf(gspca_dev, 0x0056, "\x46\x48\x6e\x78\x52\x4a\x52\x78", 8);
-        reg_w_buf(gspca_dev, 0x005e, "\x00\x00\x09\x1b\x34\x49\x5c\x9b", 8);
-        reg_w_buf(gspca_dev, 0x0066, "\xd0\xff", 2);
-        reg_w_buf(gspca_dev, 0x0078, "\x44\x00\xf2\x01\x01\x80", 6);
-        reg_w_buf(gspca_dev, 0x007f, "\x2a\x1c\x00\xc8\x02\x58\x03\x84", 8);
-        reg_w_buf(gspca_dev, 0x0087, "\x12\x00\x1a\x04\x08\x0c\x10\x14", 8);
-        reg_w_buf(gspca_dev, 0x008f, "\x18\x20", 2);
-        reg_w_buf(gspca_dev, 0x0096, "\x01\x08\x04", 3);
-        reg_w_buf(gspca_dev, 0x00a0, "\x44\x44\x44\x04", 4);
-        reg_w_buf(gspca_dev, 0x00f0, "\x01\x00\x00\x00\x22\x00\x20\x00", 8);
-        reg_w_buf(gspca_dev, 0x00f8, "\x3f\x00\x0a\x01\x00", 5);
 
-        reg_w(gspca_dev, 0xff, 0x04);
-        reg_w(gspca_dev, 0x02, 0x04);
-        reg_w(gspca_dev, 0x03, 0x54);
-        reg_w(gspca_dev, 0x04, 0x07);
-        reg_w(gspca_dev, 0x05, 0x2b);
-        reg_w(gspca_dev, 0x06, 0x09);
-        reg_w(gspca_dev, 0x07, 0x0f);
-        reg_w(gspca_dev, 0x08, 0x09);
-        reg_w(gspca_dev, 0x09, 0x00);
-        reg_w(gspca_dev, 0x0c, 0x07);
-        reg_w(gspca_dev, 0x0d, 0x00);
-        reg_w(gspca_dev, 0x0e, 0x00);
-        reg_w(gspca_dev, 0x0f, 0x62);
-        reg_w(gspca_dev, 0x10, 0x08);
-        reg_w(gspca_dev, 0x12, 0x07);
-        reg_w(gspca_dev, 0x13, 0x00);
-        reg_w(gspca_dev, 0x14, 0x00);
-        reg_w(gspca_dev, 0x15, 0x00);
-        reg_w(gspca_dev, 0x16, 0x00);
-        reg_w(gspca_dev, 0x17, 0x00);
-        reg_w(gspca_dev, 0x18, 0x00);
-        reg_w(gspca_dev, 0x19, 0x00);
-        reg_w(gspca_dev, 0x1a, 0x00);
-        reg_w(gspca_dev, 0x1b, 0x03);
-        reg_w(gspca_dev, 0x1c, 0xa0);
-        reg_w(gspca_dev, 0x1d, 0x01);
-        reg_w(gspca_dev, 0x1e, 0xf4);
-        reg_w(gspca_dev, 0x21, 0x00);
-        reg_w(gspca_dev, 0x22, 0x08);
-        reg_w(gspca_dev, 0x24, 0x03);
-        reg_w(gspca_dev, 0x26, 0x00);
-        reg_w(gspca_dev, 0x27, 0x01);
-        reg_w(gspca_dev, 0x28, 0xca);
-        reg_w(gspca_dev, 0x29, 0x10);
-        reg_w(gspca_dev, 0x2a, 0x06);
-        reg_w(gspca_dev, 0x2b, 0x78);
-        reg_w(gspca_dev, 0x2c, 0x00);
-        reg_w(gspca_dev, 0x2d, 0x00);
-        reg_w(gspca_dev, 0x2e, 0x00);
-        reg_w(gspca_dev, 0x2f, 0x00);
-        reg_w(gspca_dev, 0x30, 0x23);
-        reg_w(gspca_dev, 0x31, 0x28);
-        reg_w(gspca_dev, 0x32, 0x04);
-        reg_w(gspca_dev, 0x33, 0x11);
-        reg_w(gspca_dev, 0x34, 0x00);
-        reg_w(gspca_dev, 0x35, 0x00);
-        reg_w(gspca_dev, 0x11, 0x01);
+        if (sd->sensor == SENSOR_PAC7302)
+                reg_w_var(gspca_dev, start_7302);
+        else
+                reg_w_var(gspca_dev, start_7311);
+
         setcontrast(gspca_dev);
         setbrightness(gspca_dev);
         setcolors(gspca_dev);
@@ -416,7 +580,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
 
         /* set correct resolution */
         switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
-        case 2:                                 /* 160x120 */
+        case 2:                                 /* 160x120 pac7311 */
                 reg_w(gspca_dev, 0xff, 0x04);
                 reg_w(gspca_dev, 0x02, 0x03);
                 reg_w(gspca_dev, 0xff, 0x01);
@@ -426,7 +590,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
 /*              reg_w(gspca_dev, 0x80, 0x69); */
                 reg_w(gspca_dev, 0x87, 0x10);
                 break;
-        case 1:                                 /* 320x240 */
+        case 1:                                 /* 320x240 pac7311 */
                 reg_w(gspca_dev, 0xff, 0x04);
                 reg_w(gspca_dev, 0x02, 0x03);
                 reg_w(gspca_dev, 0xff, 0x01);
@@ -436,6 +600,8 @@ static void sd_start(struct gspca_dev *gspca_dev)
                 reg_w(gspca_dev, 0x87, 0x11);
                 break;
         case 0:                                 /* 640x480 */
+                if (sd->sensor == SENSOR_PAC7302)
+                        break;
                 reg_w(gspca_dev, 0xff, 0x04);
                 reg_w(gspca_dev, 0x02, 0x03);
                 reg_w(gspca_dev, 0xff, 0x01);
@@ -448,12 +614,25 @@ static void sd_start(struct gspca_dev *gspca_dev)
 
         /* start stream */
         reg_w(gspca_dev, 0xff, 0x01);
-        reg_w(gspca_dev, 0x78, 0x04);
-        reg_w(gspca_dev, 0x78, 0x05);
+        if (sd->sensor == SENSOR_PAC7302) {
+                reg_w(gspca_dev, 0x78, 0x01);
+                reg_w(gspca_dev, 0xff, 0x01);
+                reg_w(gspca_dev, 0x78, 0x01);
+        } else {
+                reg_w(gspca_dev, 0x78, 0x04);
+                reg_w(gspca_dev, 0x78, 0x05);
+        }
 }
 
 static void sd_stopN(struct gspca_dev *gspca_dev)
 {
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        if (sd->sensor == SENSOR_PAC7302) {
+                reg_w(gspca_dev, 0x78, 0x00);
+                reg_w(gspca_dev, 0x78, 0x00);
+                return;
+        }
         reg_w(gspca_dev, 0xff, 0x04);
         reg_w(gspca_dev, 0x27, 0x80);
         reg_w(gspca_dev, 0x28, 0xca);
@@ -468,21 +647,17 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
 
 static void sd_stop0(struct gspca_dev *gspca_dev)
 {
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        if (sd->sensor == SENSOR_PAC7302) {
+                reg_w(gspca_dev, 0xff, 0x01);
+                reg_w(gspca_dev, 0x78, 0x40);
+        }
 }
 
 /* this function is called at close time */
 static void sd_close(struct gspca_dev *gspca_dev)
 {
-        reg_w(gspca_dev, 0xff, 0x04);
-        reg_w(gspca_dev, 0x27, 0x80);
-        reg_w(gspca_dev, 0x28, 0xca);
-        reg_w(gspca_dev, 0x29, 0x53);
-        reg_w(gspca_dev, 0x2a, 0x0e);
-        reg_w(gspca_dev, 0xff, 0x01);
-        reg_w(gspca_dev, 0x3e, 0x20);
-        reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */
-        reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
-        reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
 }
 
 static void do_autogain(struct gspca_dev *gspca_dev)
@@ -509,10 +684,17 @@ static void do_autogain(struct gspca_dev *gspca_dev)
                 else if (Gbright < 4)
                         Gbright = 4;
                 PDEBUG(D_FRAM, "gbright %d", Gbright);
-                reg_w(gspca_dev, 0xff, 0x04);
-                reg_w(gspca_dev, 0x0f, Gbright);
-                /* load registers to sensor (Bit 0, auto clear) */
-                reg_w(gspca_dev, 0x11, 0x01);
+                if (sd->sensor == SENSOR_PAC7302) {
+                        reg_w(gspca_dev, 0xff, 0x03);
+                        reg_w(gspca_dev, 0x10, Gbright);
+                        /* load registers to sensor (Bit 0, auto clear) */
+                        reg_w(gspca_dev, 0x11, 0x01);
+                } else {
+                        reg_w(gspca_dev, 0xff, 0x04);
+                        reg_w(gspca_dev, 0x0f, Gbright);
+                        /* load registers to sensor (Bit 0, auto clear) */
+                        reg_w(gspca_dev, 0x11, 0x01);
+                }
         }
 }
 
@@ -636,15 +818,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
         }
 }
 
-static void getbrightness(struct gspca_dev *gspca_dev)
-{
-/*      sd->brightness = reg_r(gspca_dev, 0x08);
-        return sd->brightness;  */
-/*      PDEBUG(D_CONF, "Called pac7311_getbrightness: Not implemented yet"); */
-}
-
-
-
 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
@@ -659,7 +832,6 @@ static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
-        getbrightness(gspca_dev);
         *val = sd->brightness;
         return 0;
 }
@@ -678,7 +850,6 @@ static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
-/*      getcontrast(gspca_dev); */
         *val = sd->contrast;
         return 0;
 }
@@ -697,7 +868,6 @@ static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
-/*      getcolors(gspca_dev); */
         *val = sd->colors;
         return 0;
 }
@@ -737,13 +907,13 @@ static struct sd_desc sd_desc = {
 
 /* -- module initialisation -- */
 static __devinitdata struct usb_device_id device_table[] = {
-        {USB_DEVICE(0x093a, 0x2600)},
-        {USB_DEVICE(0x093a, 0x2601)},
-        {USB_DEVICE(0x093a, 0x2603)},
-        {USB_DEVICE(0x093a, 0x2608)},
-        {USB_DEVICE(0x093a, 0x260e)},
-        {USB_DEVICE(0x093a, 0x260f)},
-        {USB_DEVICE(0x093a, 0x2621)},
+        {USB_DEVICE(0x093a, 0x2600), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x2601), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x2603), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x2608), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x260e), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x260f), .driver_info = SENSOR_PAC7311},
+        {USB_DEVICE(0x093a, 0x2621), .driver_info = SENSOR_PAC7302},
         {}
 };
 MODULE_DEVICE_TABLE(usb, device_table);