diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c index 2d896500307..4fda0980be0 100644 --- a/drivers/media/video/gspca/ov534.c +++ b/drivers/media/video/gspca/ov534.c @@ -686,6 +686,15 @@ static void setexposure(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; u8 val; + if (sd->aec) + return; + + /* 'val' is one byte and represents half of the exposure value we are + * going to set into registers, a two bytes value: + * + * MSB: ((u16) val << 1) >> 8 == val >> 7 + * LSB: ((u16) val << 1) & 0xff == val << 1 + */ val = sd->exposure; sccb_reg_write(gspca_dev, 0x08, val >> 7); sccb_reg_write(gspca_dev, 0x10, val << 1); |