Commit 54137483 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

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: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent d36eb68a

drivers/media/i2c/ccs/ccs-core.c

+10 −6
Original line number Diff line number Diff line
@@ -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,

	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),

				  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 ||