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V4L/DVB: gspca - ov534: Fix Auto White Balance control

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Set only the needed bits for AWB, and enable it by default.

Signed-off-by: Max Thrun <bear24rw@gmail.com>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Max Thrun 2010-02-27 17:20:23 -03:00 committed by Mauro Carvalho Chehab
parent 18cf8c91ad
commit 8fef9d9622
1 changed files with 13 additions and 8 deletions
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21
drivers/media/video/gspca/ov534.c
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@ -171,7 +171,7 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 1,
.step = 1,
#define AWB_DEF 0
#define AWB_DEF 1
.default_value = AWB_DEF,
},
.set = sd_setawb,
@ -723,10 +723,17 @@ static void setawb(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->awb)
sccb_reg_write(gspca_dev, 0x63, 0xe0); /* AWB on */
else
sccb_reg_write(gspca_dev, 0x63, 0xaa); /* AWB off */
if (sd->awb) {
sccb_reg_write(gspca_dev, 0x13,
sccb_reg_read(gspca_dev, 0x13) | 0x02);
sccb_reg_write(gspca_dev, 0x63,
sccb_reg_read(gspca_dev, 0x63) | 0xc0);
} else {
sccb_reg_write(gspca_dev, 0x13,
sccb_reg_read(gspca_dev, 0x13) & ~0x02);
sccb_reg_write(gspca_dev, 0x63,
sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
}
}
static void setaec(struct gspca_dev *gspca_dev)
@ -805,9 +812,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
#else
gspca_dev->ctrl_inac |= (1 << AWB_IDX);
#endif
#if AWB_DEF != 0
sd->awb = AWB_DEF
#endif
sd->awb = AWB_DEF;
sd->aec = AEC_DEF;
#if SHARPNESS_DEF != 0
sd->sharpness = SHARPNESS_DEF;