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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2009-02-23 16:12:58 +0100
committerGuennadi Liakhovetski <g.liakhovetski@gmx.de>2009-02-23 16:12:58 +0100
commit9f4da9c7feb71ee575960553c4ad10555be64229 (patch)
treef34458b634b2b572a01cf8717045c6374224792b /linux
parent7c67818bb02d27076080edb44bbcb661e45fd2a5 (diff)
downloadmediapointer-dvb-s2-9f4da9c7feb71ee575960553c4ad10555be64229.tar.gz
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ov772x: bit mask operation fix on ov772x_mask_set.
From: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> --- drivers/media/video/ov772x.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
Diffstat (limited to 'linux')
-rw-r--r--linux/drivers/media/video/ov772x.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/linux/drivers/media/video/ov772x.c b/linux/drivers/media/video/ov772x.c
index 211376a41..6e7cfeb18 100644
--- a/linux/drivers/media/video/ov772x.c
+++ b/linux/drivers/media/video/ov772x.c
@@ -565,8 +565,11 @@ static int ov772x_mask_set(struct i2c_client *client,
u8 set)
{
s32 val = i2c_smbus_read_byte_data(client, command);
+ if (val < 0)
+ return val;
+
val &= ~mask;
- val |= set;
+ val |= set & mask;
return i2c_smbus_write_byte_data(client, command, val);
}