V4L/DVB (9557): gspca: Small changes for the sensor HV7131B in zc3xx.

- touch only one register for brightness change
- no quality control
- don't probe again at streamon time.

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

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 3e594462b163..8b3101d347c3 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -2290,7 +2290,7 @@ static const struct usb_action hv7131bxx_Initial[] = {		/* 320x240 */
         {0xaa, 0x14, 0x0001},
         {0xaa, 0x15, 0x00e8},
         {0xaa, 0x16, 0x0002},
-        {0xaa, 0x17, 0x0086},
+        {0xaa, 0x17, 0x0086},           /* 00,17,88,aa */
         {0xaa, 0x31, 0x0038},
         {0xaa, 0x32, 0x0038},
         {0xaa, 0x33, 0x0038},
@@ -2309,7 +2309,7 @@ static const struct usb_action hv7131bxx_Initial[] = {		/* 320x240 */
         {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05},
         {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE},
         {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS},
-        {0xaa, 0x02, 0x0090},                   /* {0xaa, 0x02, 0x0080}; */
+        {0xaa, 0x02, 0x0090},                   /* 00,02,80,aa */
         {0xa1, 0x01, 0x0002},
         {0xa0, 0x00, ZC3XX_R092_I2CADDRESSSELECT},
         {0xa0, 0x02, ZC3XX_R090_I2CCOMMAND},
@@ -6388,6 +6388,8 @@ static void setbrightness(struct gspca_dev *gspca_dev)
 /*fixme: is it really write to 011d and 018d for all other sensors? */
         brightness = sd->brightness;
         reg_w(gspca_dev->dev, brightness, 0x011d);
+        if (sd->sensor == SENSOR_HV7131B)
+                return;
         if (brightness < 0x70)
                 brightness += 0x10;
         else
@@ -6529,6 +6531,7 @@ static void setquality(struct gspca_dev *gspca_dev)
 
         switch (sd->sensor) {
         case SENSOR_GC0305:
+        case SENSOR_HV7131B:
         case SENSOR_OV7620:
         case SENSOR_PO2030:
                 return;
@@ -7209,7 +7212,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
         zc3_init = init_tb[(int) sd->sensor][mode];
         switch (sd->sensor) {
-        case SENSOR_HV7131B:
         case SENSOR_HV7131C:
                 zcxx_probeSensor(gspca_dev);
                 break;