V4L/DVB: gspca - sq930x: Change the gain value for Micron sensors
The bit 7 of the sensor gain register multiplies the 7bits value by two.
It is now always set with half the user gain value.
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/sq930x.c b/drivers/media/video/gspca/sq930x.c
index 8032190..04516b4 100644
--- a/drivers/media/video/gspca/sq930x.c
+++ b/drivers/media/video/gspca/sq930x.c
@@ -862,7 +862,7 @@
buf[i++] = 0x35; /* reg = global gain */
buf[i++] = 0x00; /* val H */
buf[i++] = sensor->i2c_dum;
- buf[i++] = sd->gain; /* val L */
+ buf[i++] = 0x80 + sd->gain / 2; /* val L */
buf[i++] = 0x00;
buf[i++] = 0x00;
buf[i++] = 0x00;