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Diffstat (limited to 'drivers/media/video/ov772x.c')
| -rw-r--r-- | drivers/media/video/ov772x.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index 702e61a9c02b..6b18da7c3c0a 100644 --- a/drivers/media/video/ov772x.c +++ b/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); } |