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From 0a75c502eac4f2ef71b6c3e0b3a01db1b3c37ba9 Mon Sep 17 00:00:00 2001
From: Eugen Hristev <eugen.hristev@microchip.com>
Date: Tue, 13 Apr 2021 12:57:18 +0200
Subject: [PATCH 176/247] 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>
---
drivers/media/platform/atmel/atmel-isc-base.c | 5 +++--
drivers/media/platform/atmel/atmel-isc.h | 5 +++++
drivers/media/platform/atmel/atmel-sama5d2-isc.c | 12 ++++++++++++
3 files changed, 20 insertions(+), 2 deletions(-)
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -2051,11 +2051,12 @@ static int isc_ctrl_init(struct isc_devi
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,
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -226,6 +226,8 @@ 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
*/
@@ -300,6 +302,9 @@ 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;
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -96,6 +96,17 @@ static void isc_sama5d2_config_cc(struct
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 */
@@ -265,6 +276,7 @@ static int atmel_isc_probe(struct platfo
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;
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