diff options
| author | German Galkin | 2010-03-07 10:19:02 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2010-05-18 05:46:29 +0200 |
| commit | e10f73194d63321d020433fa1287e619d4107b79 (patch) | |
| tree | a5864a948c0c7e3f8d15e06a84491ef0c9504297 /drivers | |
| parent | V4L/DVB: gspca - t613: Check the result of kmalloc (diff) | |
| download | kernel-qcow2-linux-e10f73194d63321d020433fa1287e619d4107b79.tar.gz kernel-qcow2-linux-e10f73194d63321d020433fa1287e619d4107b79.tar.xz kernel-qcow2-linux-e10f73194d63321d020433fa1287e619d4107b79.zip | |
V4L/DVB: gspca - sn9c20x: Fix exposure control for HV7131R sensor
Make the range of exposure values (0-0x1770) distribute evenly through
HV7131R's exposure control bytes.
Signed-off-by: German Galkin <galkinga@gmail.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/gspca/sn9c20x.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 3dee3e5844b6..04bf80ddfbb8 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -1655,9 +1655,9 @@ static int set_exposure(struct gspca_dev *gspca_dev) case SENSOR_HV7131R: exp[0] |= (4 << 4); exp[2] = 0x25; - exp[3] = ((sd->exposure * 0xffffff) / 0xffff) >> 16; - exp[4] = ((sd->exposure * 0xffffff) / 0xffff) >> 8; - exp[5] = ((sd->exposure * 0xffffff) / 0xffff) & 0xff; + exp[3] = (sd->exposure >> 5) & 0xff; + exp[4] = (sd->exposure << 3) & 0xff; + exp[5] = 0; break; default: return 0; |