diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/176-media-atmel-atmel-isc-create-product-specific-v4l2-c.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/176-media-atmel-atmel-isc-create-product-specific-v4l2-c.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/176-media-atmel-atmel-isc-create-product-specific-v4l2-c.patch b/target/linux/at91/patches-5.10/176-media-atmel-atmel-isc-create-product-specific-v4l2-c.patch new file mode 100644 index 0000000000..4ba3e3cace --- /dev/null +++ b/target/linux/at91/patches-5.10/176-media-atmel-atmel-isc-create-product-specific-v4l2-c.patch @@ -0,0 +1,95 @@ +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(-) + +diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c +index ffce8de2cf4d..8ed8b8a4840c 100644 +--- 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_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, +diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h +index 293746664cef..428419d5a07d 100644 +--- 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; +diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c +index 903920b74965..7512012cd9f3 100644 +--- 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 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 */ +@@ -265,6 +276,7 @@ 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; +-- +2.32.0 + |