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media: atmel: atmel-isc: create product specific v4l2 controls config 

Create product specific callback for initializing v4l2 controls.
Call this from v4l2 controls init function.

[hverkuil: made isc_sama5d2_config_ctrls static]

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Eugen Hristev 2021-04-13 12:57:18 +02:00 committed by Mauro Carvalho Chehab
parent 2873f85bd3
commit 8f1b451c87
3 changed files with 20 additions and 2 deletions
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5
drivers/media/platform/atmel/atmel-isc-base.c
View File

@ -2051,11 +2051,12 @@ static int isc_ctrl_init(struct isc_device *isc)
if (ret < 0)
return ret;
/* Initialize product specific controls. For example, contrast */
isc->config_ctrls(isc, ops);
ctrls->brightness = 0;
ctrls->contrast = 256;
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -1024, 1023, 1, 0);
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAMMA, 0, isc->gamma_max, 1,
isc->gamma_max);
isc->awb_ctrl = v4l2_ctrl_new_std(hdl, &isc_awb_ops,

5
drivers/media/platform/atmel/atmel-isc.h
View File

@ -227,6 +227,8 @@ struct isc_reg_offsets {
* specific CBC module
* @config_cc: pointer to a function that initializes product
* specific CC module
* @config_ctrls: pointer to a functoin that initializes product
* specific v4l2 controls.
*
* @offsets: struct holding the product specific register offsets
*/
@ -301,6 +303,9 @@ struct isc_device {
void (*config_csc)(struct isc_device *isc);
void (*config_cbc)(struct isc_device *isc);
void (*config_cc)(struct isc_device *isc);
void (*config_ctrls)(struct isc_device *isc,
const struct v4l2_ctrl_ops *ops);
};
struct isc_reg_offsets offsets;

12
drivers/media/platform/atmel/atmel-sama5d2-isc.c
View File

@ -96,6 +96,17 @@ static void isc_sama5d2_config_cc(struct isc_device *isc)
regmap_write(regmap, ISC_CC_BB_OB, (1 << 8));
}
static void isc_sama5d2_config_ctrls(struct isc_device *isc,
const struct v4l2_ctrl_ops *ops)
{
struct isc_ctrls *ctrls = &isc->ctrls;
struct v4l2_ctrl_handler *hdl = &ctrls->handler;
ctrls->contrast = 256;
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
}
/* Gamma table with gamma 1/2.2 */
static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
/* 0 --> gamma 1/1.8 */
@ -244,6 +255,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
isc->config_csc = isc_sama5d2_config_csc;
isc->config_cbc = isc_sama5d2_config_cbc;
isc->config_cc = isc_sama5d2_config_cc;
isc->config_ctrls = isc_sama5d2_config_ctrls;
isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;