From 4fb8137c43ebc0f5bc0dde6b64faa9dd1b1d7970 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Fran=C3=A7ois=20Moine?= <moinejf@free.fr>
Date: Sat, 24 Mar 2012 09:28:39 -0300
Subject: [media] gspca - sn9c20x: Don't do sensor update before the capture is
started
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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>
---
drivers/media/video/gspca/sn9c20x.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'drivers')
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index c5b42e4ac9b4..da2904a891aa 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:
--
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