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Subject: media: ccs: Only add analogue gain control if the device supports it Author: Sakari Ailus <[email protected]> Date: Thu Sep 24 00:43:55 2020 +0200 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 <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/i2c/ccs/ccs-core.c | 16 ++++++++++------ 1 file 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 || _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
