diff options
Diffstat (limited to 'drivers/staging/media/sn9c102/sn9c102_pas106b.c')
| -rw-r--r-- | drivers/staging/media/sn9c102/sn9c102_pas106b.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/staging/media/sn9c102/sn9c102_pas106b.c b/drivers/staging/media/sn9c102/sn9c102_pas106b.c index 81cd969c1b7b..47bd82de80f9 100644 --- a/drivers/staging/media/sn9c102/sn9c102_pas106b.c +++ b/drivers/staging/media/sn9c102/sn9c102_pas106b.c @@ -62,32 +62,38 @@ static int pas106b_get_ctrl(struct sn9c102_device* cam, } return 0; case V4L2_CID_RED_BALANCE: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x0c)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x0c); + if (ctrl->value < 0) return -EIO; ctrl->value &= 0x1f; return 0; case V4L2_CID_BLUE_BALANCE: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x09)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x09); + if (ctrl->value < 0) return -EIO; ctrl->value &= 0x1f; return 0; case V4L2_CID_GAIN: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x0e)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x0e); + if (ctrl->value < 0) return -EIO; ctrl->value &= 0x1f; return 0; case V4L2_CID_CONTRAST: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x0f)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x0f); + if (ctrl->value < 0) return -EIO; ctrl->value &= 0x07; return 0; case SN9C102_V4L2_CID_GREEN_BALANCE: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x0a)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x0a); + if (ctrl->value < 0) return -EIO; ctrl->value = (ctrl->value & 0x1f) << 1; return 0; case SN9C102_V4L2_CID_DAC_MAGNITUDE: - if ((ctrl->value = sn9c102_i2c_read(cam, 0x08)) < 0) + ctrl->value = sn9c102_i2c_read(cam, 0x08); + if (ctrl->value < 0) return -EIO; ctrl->value &= 0xf8; return 0; |