V4L/DVB (11424): gspca - m5602-ov9650: Use the local ctrl cache. Adjust image on vflip.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 93 insertions, 96 deletions

diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c
index 39902652d24a..0cff90579772 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c
@@ -69,6 +69,7 @@ static
 };
 
 const static struct ctrl ov9650_ctrls[] = {
+#define EXPOSURE_IDX 0
         {
                 {
                         .id             = V4L2_CID_EXPOSURE,
@@ -82,7 +83,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_exposure,
                 .get = ov9650_get_exposure
-        }, {
+        },
+#define GAIN_IDX 1
+        {
                 {
                         .id             = V4L2_CID_GAIN,
                         .type           = V4L2_CTRL_TYPE_INTEGER,
@@ -95,7 +98,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_gain,
                 .get = ov9650_get_gain
-        }, {
+        },
+#define RED_BALANCE_IDX 2
+        {
                 {
                         .type           = V4L2_CTRL_TYPE_INTEGER,
                         .name           = "red balance",
@@ -107,7 +112,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_red_balance,
                 .get = ov9650_get_red_balance
-        }, {
+        },
+#define BLUE_BALANCE_IDX 3
+        {
                 {
                         .type           = V4L2_CTRL_TYPE_INTEGER,
                         .name           = "blue balance",
@@ -119,7 +126,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_blue_balance,
                 .get = ov9650_get_blue_balance
-        }, {
+        },
+#define HFLIP_IDX 4
+        {
                 {
                         .id             = V4L2_CID_HFLIP,
                         .type           = V4L2_CTRL_TYPE_BOOLEAN,
@@ -131,7 +140,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_hflip,
                 .get = ov9650_get_hflip
-        }, {
+        },
+#define VFLIP_IDX 5
+        {
                 {
                         .id             = V4L2_CID_VFLIP,
                         .type           = V4L2_CTRL_TYPE_BOOLEAN,
@@ -143,7 +154,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_vflip,
                 .get = ov9650_get_vflip
-        }, {
+        },
+#define AUTO_WHITE_BALANCE_IDX 6
+        {
                 {
                         .id             = V4L2_CID_AUTO_WHITE_BALANCE,
                         .type           = V4L2_CTRL_TYPE_BOOLEAN,
@@ -155,7 +168,9 @@ const static struct ctrl ov9650_ctrls[] = {
                 },
                 .set = ov9650_set_auto_white_balance,
                 .get = ov9650_get_auto_white_balance
-        }, {
+        },
+#define AUTO_GAIN_CTRL_IDX 7
+        {
                 {
                         .id             = V4L2_CID_AUTOGAIN,
                         .type           = V4L2_CTRL_TYPE_BOOLEAN,
@@ -311,18 +326,19 @@ int ov9650_start(struct sd *sd)
         u8 data;
         int i, err = 0;
         struct cam *cam = &sd->gspca_dev.cam;
+        s32 *sensor_settings = sd->sensor_priv;
+
         int width = cam->cam_mode[sd->gspca_dev.curr_mode].width;
         int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
         int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
         int hor_offs = OV9650_LEFT_OFFSET;
 
+        if (sensor_settings[VFLIP_IDX])
+                ver_offs--;
+
         if (width <= 320)
                 hor_offs /= 2;
 
-        err = ov9650_init(sd);
-        if (err < 0)
-                return err;
-
         /* Synthesize the vsync/hsync setup */
         for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) {
                 if (res_init_ov9650[i][0] == BRIDGE)
@@ -460,32 +476,23 @@ void ov9650_disconnect(struct sd *sd)
 int ov9650_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
-        u8 i2c_data;
-        int err;
-
-        err = m5602_read_sensor(sd, OV9650_AECH, &i2c_data, 1);
-        if (err < 0)
-                return err;
-        *val |= (i2c_data << 2);
-
-        err = m5602_read_sensor(sd, OV9650_AECHM, &i2c_data, 1);
-        if (err < 0)
-                return err;
-        *val |= (i2c_data & 0x3f) << 10;
+        s32 *sensor_settings = sd->sensor_priv;
 
+        *val = sensor_settings[EXPOSURE_IDX];
         PDEBUG(D_V4L2, "Read exposure %d", *val);
-
-        return err;
+        return 0;
 }
 
 int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 {
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
         u8 i2c_data;
         int err;
 
-        PDEBUG(D_V4L2, "Set exposure to %d",
-               val & 0xffff);
+        PDEBUG(D_V4L2, "Set exposure to %d", val);
+
+        sensor_settings[EXPOSURE_IDX] = val;
 
         /* The 6 MSBs */
         i2c_data = (val >> 10) & 0x3f;
@@ -510,20 +517,12 @@ int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
-        if (err < 0)
-                return err;
-
-        *val = (i2c_data & 0x03) << 8;
-
-        err = m5602_read_sensor(sd, OV9650_GAIN, &i2c_data, 1);
-        *val |= i2c_data;
+        *val = sensor_settings[GAIN_IDX];
         PDEBUG(D_V4L2, "Read gain %d", *val);
-        return err;
+        return 0;
 }
 
 int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val)
@@ -531,6 +530,11 @@ int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
+
+        PDEBUG(D_V4L2, "Setting gain to %d", val);
+
+        sensor_settings[GAIN_IDX] = val;
 
         /* The 2 MSB */
         /* Read the OV9650_VREF register first to avoid
@@ -554,16 +558,12 @@ int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_RED, &i2c_data, 1);
-        *val = i2c_data;
-
+        *val = sensor_settings[RED_BALANCE_IDX];
         PDEBUG(D_V4L2, "Read red gain %d", *val);
-
-        return err;
+        return 0;
 }
 
 int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
@@ -571,9 +571,11 @@ int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        PDEBUG(D_V4L2, "Set red gain to %d",
-                             val & 0xff);
+        PDEBUG(D_V4L2, "Set red gain to %d", val);
+
+        sensor_settings[RED_BALANCE_IDX] = val;
 
         i2c_data = val & 0xff;
         err = m5602_write_sensor(sd, OV9650_RED, &i2c_data, 1);
@@ -583,16 +585,13 @@ int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_BLUE, &i2c_data, 1);
-        *val = i2c_data;
-
+        *val = sensor_settings[BLUE_BALANCE_IDX];
         PDEBUG(D_V4L2, "Read blue gain %d", *val);
 
-        return err;
+        return 0;
 }
 
 int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
@@ -600,9 +599,11 @@ int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
+
+        PDEBUG(D_V4L2, "Set blue gain to %d", val);
 
-        PDEBUG(D_V4L2, "Set blue gain to %d",
-               val & 0xff);
+        sensor_settings[BLUE_BALANCE_IDX] = val;
 
         i2c_data = val & 0xff;
         err = m5602_write_sensor(sd, OV9650_BLUE, &i2c_data, 1);
@@ -612,18 +613,12 @@ int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
-
-        err = m5602_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
-        if (dmi_check_system(ov9650_flip_dmi_table))
-                *val = ((i2c_data & OV9650_HFLIP) >> 5) ? 0 : 1;
-        else
-                *val = (i2c_data & OV9650_HFLIP) >> 5;
+        s32 *sensor_settings = sd->sensor_priv;
+        *val = sensor_settings[HFLIP_IDX];
         PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
 
-        return err;
+        return 0;
 }
 
 int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
@@ -631,8 +626,11 @@ int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
         PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
+
+        sensor_settings[HFLIP_IDX] = val;
         err = m5602_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
         if (err < 0)
                 return err;
@@ -651,18 +649,13 @@ int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
-        if (dmi_check_system(ov9650_flip_dmi_table))
-                *val = ((i2c_data & 0x10) >> 4) ? 0 : 1;
-        else
-                *val = (i2c_data & 0x10) >> 4;
+        *val = sensor_settings[VFLIP_IDX];
         PDEBUG(D_V4L2, "Read vertical flip %d", *val);
 
-        return err;
+        return 0;
 }
 
 int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
@@ -670,8 +663,11 @@ int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
         PDEBUG(D_V4L2, "Set vertical flip to %d", val);
+
+        sensor_settings[VFLIP_IDX] = val;
         err = m5602_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
         if (err < 0)
                 return err;
@@ -685,25 +681,24 @@ int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
 
         err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1);
 
+        if (err < 0)
+                return err;
+
+        if (gspca_dev->streaming)
+                err = ov9650_start(sd);
+
         return err;
 }
 
 int ov9650_get_brightness(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
-        if (err < 0)
-                return err;
-        *val = (i2c_data & 0x03) << 8;
-
-        err = m5602_read_sensor(sd, OV9650_GAIN, &i2c_data, 1);
-        *val |= i2c_data;
+        *val = sensor_settings[GAIN_IDX];
         PDEBUG(D_V4L2, "Read gain %d", *val);
 
-        return err;
+        return 0;
 }
 
 int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
@@ -711,8 +706,11 @@ int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
+
+        PDEBUG(D_V4L2, "Set gain to %d", val);
 
-        PDEBUG(D_V4L2, "Set gain to %d", val & 0x3ff);
+        sensor_settings[GAIN_IDX] = val;
 
         /* Read the OV9650_VREF register first to avoid
                 corrupting the VREF high and low bits */
@@ -735,15 +733,11 @@ int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
-        *val = (i2c_data & OV9650_AWB_EN) >> 1;
-        PDEBUG(D_V4L2, "Read auto white balance %d", *val);
-
-        return err;
+        *val = sensor_settings[AUTO_WHITE_BALANCE_IDX];
+        return 0;
 }
 
 int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val)
@@ -751,8 +745,11 @@ int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
         PDEBUG(D_V4L2, "Set auto white balance to %d", val);
+
+        sensor_settings[AUTO_WHITE_BALANCE_IDX] = val;
         err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
         if (err < 0)
                 return err;
@@ -765,15 +762,12 @@ int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val)
 
 int ov9650_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val)
 {
-        int err;
-        u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
-        err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
-        *val = (i2c_data & OV9650_AGC_EN) >> 2;
+        *val = sensor_settings[AUTO_GAIN_CTRL_IDX];
         PDEBUG(D_V4L2, "Read auto gain control %d", *val);
-
-        return err;
+        return 0;
 }
 
 int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val)
@@ -781,8 +775,11 @@ int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val)
         int err;
         u8 i2c_data;
         struct sd *sd = (struct sd *) gspca_dev;
+        s32 *sensor_settings = sd->sensor_priv;
 
         PDEBUG(D_V4L2, "Set auto gain control to %d", val);
+
+        sensor_settings[AUTO_GAIN_CTRL_IDX] = val;
         err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
         if (err < 0)
                 return err;