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authorJean-François Moine <moinejf@free.fr>2012-02-27 12:37:37 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-08 12:04:46 +0100
commit6028c3268404c1323da09b1dc5bbff56b79364a1 (patch)
tree02fbd0eef3ccc7a7d729979d5b0aaa1a0183822a /drivers/media/video/gspca/zc3xx.c
parent[media] gspca - zc3xx: Cleanup source (diff)
downloadlinux-6028c3268404c1323da09b1dc5bbff56b79364a1.tar.xz
linux-6028c3268404c1323da09b1dc5bbff56b79364a1.zip
[media] gspca - zc3xx: Fix bad sensor values when changing autogain
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>
Diffstat (limited to 'drivers/media/video/gspca/zc3xx.c')
-rw-r--r--drivers/media/video/gspca/zc3xx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 2ff96ca2ceec..091000611528 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -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);