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87 lines
3.1 KiB
Diff
87 lines
3.1 KiB
Diff
From 0a75c502eac4f2ef71b6c3e0b3a01db1b3c37ba9 Mon Sep 17 00:00:00 2001
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From: Eugen Hristev <eugen.hristev@microchip.com>
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Date: Tue, 13 Apr 2021 12:57:18 +0200
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Subject: [PATCH 176/247] media: atmel: atmel-isc: create product specific v4l2
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controls config
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Create product specific callback for initializing v4l2 controls.
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Call this from v4l2 controls init function.
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[hverkuil: made isc_sama5d2_config_ctrls static]
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Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
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Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/platform/atmel/atmel-isc-base.c | 5 +++--
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drivers/media/platform/atmel/atmel-isc.h | 5 +++++
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drivers/media/platform/atmel/atmel-sama5d2-isc.c | 12 ++++++++++++
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3 files changed, 20 insertions(+), 2 deletions(-)
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--- a/drivers/media/platform/atmel/atmel-isc-base.c
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+++ b/drivers/media/platform/atmel/atmel-isc-base.c
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@@ -2051,11 +2051,12 @@ static int isc_ctrl_init(struct isc_devi
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if (ret < 0)
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return ret;
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+ /* Initialize product specific controls. For example, contrast */
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+ isc->config_ctrls(isc, ops);
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+
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ctrls->brightness = 0;
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- ctrls->contrast = 256;
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v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -1024, 1023, 1, 0);
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- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
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v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAMMA, 0, isc->gamma_max, 1,
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isc->gamma_max);
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isc->awb_ctrl = v4l2_ctrl_new_std(hdl, &isc_awb_ops,
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--- a/drivers/media/platform/atmel/atmel-isc.h
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+++ b/drivers/media/platform/atmel/atmel-isc.h
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@@ -226,6 +226,8 @@ struct isc_reg_offsets {
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* specific CBC module
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* @config_cc: pointer to a function that initializes product
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* specific CC module
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+ * @config_ctrls: pointer to a functoin that initializes product
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+ * specific v4l2 controls.
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*
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* @offsets: struct holding the product specific register offsets
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*/
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@@ -300,6 +302,9 @@ struct isc_device {
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void (*config_csc)(struct isc_device *isc);
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void (*config_cbc)(struct isc_device *isc);
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void (*config_cc)(struct isc_device *isc);
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+
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+ void (*config_ctrls)(struct isc_device *isc,
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+ const struct v4l2_ctrl_ops *ops);
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};
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struct isc_reg_offsets offsets;
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--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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@@ -96,6 +96,17 @@ static void isc_sama5d2_config_cc(struct
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regmap_write(regmap, ISC_CC_BB_OB, (1 << 8));
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}
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+static void isc_sama5d2_config_ctrls(struct isc_device *isc,
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+ const struct v4l2_ctrl_ops *ops)
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+{
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+ struct isc_ctrls *ctrls = &isc->ctrls;
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+ struct v4l2_ctrl_handler *hdl = &ctrls->handler;
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+
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+ ctrls->contrast = 256;
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+
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+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
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+}
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+
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/* Gamma table with gamma 1/2.2 */
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static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
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/* 0 --> gamma 1/1.8 */
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@@ -265,6 +276,7 @@ static int atmel_isc_probe(struct platfo
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isc->config_csc = isc_sama5d2_config_csc;
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isc->config_cbc = isc_sama5d2_config_cbc;
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isc->config_cc = isc_sama5d2_config_cc;
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+ isc->config_ctrls = isc_sama5d2_config_ctrls;
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isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
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isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;
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