diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-09-24 00:43:55 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-01-12 17:24:51 +0100 |
| commit | 541374837cd911785ae9307b4902896f2e3b8f15 (patch) | |
| tree | f6aa7ec2a49406b4174d4ece346cf913588e98be /drivers/media/i2c | |
| parent | d36eb68a49948a7fb29c43bd5745692ede4b6d52 (diff) | |
| download | linux-541374837cd911785ae9307b4902896f2e3b8f15.tar.bz2 | |
media: ccs: Only add analogue gain control if the device supports it
Some devices do not implement analogue gain this way. Only add the control
when a device does have the support.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 706fa811d9b5..47879f9bfe20 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -777,12 +777,16 @@ static int ccs_init_controls(struct ccs_sensor *sensor) sensor->pixel_array->ctrl_handler.lock = &sensor->mutex; - v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops, - V4L2_CID_ANALOGUE_GAIN, - CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), - CCS_LIM(sensor, ANALOG_GAIN_CODE_MAX), - max(CCS_LIM(sensor, ANALOG_GAIN_CODE_STEP), 1U), - CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); + switch (CCS_LIM(sensor, ANALOG_GAIN_CAPABILITY)) { + case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: + v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, + &ccs_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, + CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), + CCS_LIM(sensor, ANALOG_GAIN_CODE_MAX), + max(CCS_LIM(sensor, ANALOG_GAIN_CODE_STEP), + 1U), + CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); + } if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL || |