diff options
Diffstat (limited to 'drivers/media/video/gspca/sn9c20x.c')
| -rw-r--r-- | drivers/media/video/gspca/sn9c20x.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index da2904a891aa..5285a519c1f3 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -874,8 +874,8 @@ static const struct i2c_reg_u8 ov7660_init[] = { 0x10, 0x61 and sd->hstart, vstart = 3, fixes ugly colored borders */ {0x17, 0x10}, {0x18, 0x61}, {0x37, 0x0f}, {0x38, 0x02}, {0x39, 0x43}, - {0x3a, 0x00}, {0x69, 0x90}, {0x2d, 0xf6}, - {0x2e, 0x0b}, {0x01, 0x78}, {0x02, 0x50}, + {0x3a, 0x00}, {0x69, 0x90}, {0x2d, 0x00}, + {0x2e, 0x00}, {0x01, 0x78}, {0x02, 0x50}, }; static const struct i2c_reg_u8 ov7670_init[] = { @@ -1645,7 +1645,7 @@ static void set_exposure(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; u8 exp[8] = {sd->i2c_intf, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; - int expo; + int expo, expo2; if (gspca_dev->streaming) exp[7] = 0x1e; @@ -1656,8 +1656,23 @@ static void set_exposure(struct gspca_dev *gspca_dev) case SENSOR_OV7670: case SENSOR_OV9655: case SENSOR_OV9650: + if (expo > 547) + expo2 = 547; + else + expo2 = expo; + exp[0] |= (2 << 4); + exp[2] = 0x10; /* AECH */ + exp[3] = expo2 >> 2; + exp[7] = 0x10; + i2c_w(gspca_dev, exp); + exp[2] = 0x04; /* COM1 */ + exp[3] = expo2 & 0x0003; + exp[7] = 0x10; + i2c_w(gspca_dev, exp); + expo -= expo2; + exp[7] = 0x1e; exp[0] |= (3 << 4); - exp[2] = 0x2d; + exp[2] = 0x2d; /* ADVFL & ADVFH */ exp[3] = expo; exp[4] = expo >> 8; break; |