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authorJean-François Moine <moinejf@free.fr>2012-03-24 09:28:39 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-05-03 15:29:56 -0300
commit4fb8137c43ebc0f5bc0dde6b64faa9dd1b1d7970 (patch)
treeae44b806795fcba2d94cf1b9e074b9a1447591be
parentc4407fe86d3856f60ec711e025bbe9a0159354a3 (diff)
[media] gspca - sn9c20x: Don't do sensor update before the capture is started
Telling the bridge to update the sensor when setting the exposure or the gain is not needed when the image transfer is not started. Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/sn9c20x.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index c5b42e4ac9b..da2904a891a 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -1644,9 +1644,12 @@ static void set_exposure(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 exp[8] = {sd->i2c_intf, sd->i2c_addr,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e};
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
int expo;
+ if (gspca_dev->streaming)
+ exp[7] = 0x1e;
+
expo = sd->ctrls[EXPOSURE].val;
switch (sd->sensor) {
case SENSOR_OV7660:
@@ -1683,9 +1686,12 @@ static void set_gain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 gain[8] = {sd->i2c_intf, sd->i2c_addr,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x1d};
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
int g;
+ if (gspca_dev->streaming)
+ gain[7] = 0x15; /* or 1d ? */
+
g = sd->ctrls[GAIN].val;
switch (sd->sensor) {
case SENSOR_OV7660: