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[media] gspca - zc3xx: Fix bad sensor values when changing autogain

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The setexposure added in commit 590f21680616 works only for the sensor hv7131r,
but it is called for all sensors when changing the autogain.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2012-02-27 08:37:37 -03:00 committed by Mauro Carvalho Chehab
parent 0b74e2c460
commit 6028c32684
1 changed files with 4 additions and 0 deletions
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4
drivers/media/video/gspca/zc3xx.c
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@ -5884,6 +5884,8 @@ static void getexposure(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor != SENSOR_HV7131R)
return;
sd->ctrls[EXPOSURE].val = (i2c_read(gspca_dev, 0x25) << 9)
| (i2c_read(gspca_dev, 0x26) << 1)
| (i2c_read(gspca_dev, 0x27) >> 7);
@ -5894,6 +5896,8 @@ static void setexposure(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int val;
if (sd->sensor != SENSOR_HV7131R)
return;
val = sd->ctrls[EXPOSURE].val;
i2c_write(gspca_dev, 0x25, val >> 9, 0x00);
i2c_write(gspca_dev, 0x26, val >> 1, 0x00);