diff options
Diffstat (limited to 'target/linux/at91/patches-5.15/178-media-atmel-atmel-isc-create-callback-for-GAM-submod.patch')
| -rw-r--r-- | target/linux/at91/patches-5.15/178-media-atmel-atmel-isc-create-callback-for-GAM-submod.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.15/178-media-atmel-atmel-isc-create-callback-for-GAM-submod.patch b/target/linux/at91/patches-5.15/178-media-atmel-atmel-isc-create-callback-for-GAM-submod.patch new file mode 100644 index 0000000000..a219704b31 --- /dev/null +++ b/target/linux/at91/patches-5.15/178-media-atmel-atmel-isc-create-callback-for-GAM-submod.patch @@ -0,0 +1,75 @@ +From 96936a6753a13dea5a8f66de949e6594dd82ce22 Mon Sep 17 00:00:00 2001 +From: Eugen Hristev <eugen.hristev@microchip.com> +Date: Tue, 13 Apr 2021 12:57:20 +0200 +Subject: [PATCH 178/247] media: atmel: atmel-isc: create callback for GAM + submodule product specific + +The GAM submodule is a part of the atmel-isc pipeline, and stands for +Gamma Correction. It is used to apply the gamma curve to the incoming pixels. +Create a product specific callback for initializing the GAM submodule +of the pipeline. +For sama5d2 product, there is no special configuration at this moment, +thus this function is a noop. + +[hverkuil: made isc_sama5d2_config_gam 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 | 1 + + drivers/media/platform/atmel/atmel-isc.h | 3 +++ + drivers/media/platform/atmel/atmel-sama5d2-isc.c | 6 ++++++ + 3 files changed, 10 insertions(+) + +--- a/drivers/media/platform/atmel/atmel-isc-base.c ++++ b/drivers/media/platform/atmel/atmel-isc-base.c +@@ -663,6 +663,7 @@ static void isc_set_pipeline(struct isc_ + isc->config_csc(isc); + isc->config_cbc(isc); + isc->config_cc(isc); ++ isc->config_gam(isc); + } + + static int isc_update_profile(struct isc_device *isc) +--- a/drivers/media/platform/atmel/atmel-isc.h ++++ b/drivers/media/platform/atmel/atmel-isc.h +@@ -228,6 +228,8 @@ struct isc_reg_offsets { + * specific CBC module + * @config_cc: pointer to a function that initializes product + * specific CC module ++ * @config_gam: pointer to a function that initializes product ++ * specific GAMMA module + * @config_ctrls: pointer to a functoin that initializes product + * specific v4l2 controls. + * +@@ -305,6 +307,7 @@ 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_gam)(struct isc_device *isc); + + void (*config_ctrls)(struct isc_device *isc, + const struct v4l2_ctrl_ops *ops); +--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c ++++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c +@@ -112,6 +112,11 @@ static void isc_sama5d2_config_dpc(struc + /* This module is not present on sama5d2 pipeline */ + } + ++static void isc_sama5d2_config_gam(struct isc_device *isc) ++{ ++ /* No specific gamma configuration */ ++} ++ + /* Gamma table with gamma 1/2.2 */ + static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = { + /* 0 --> gamma 1/1.8 */ +@@ -282,6 +287,7 @@ 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_gam = isc_sama5d2_config_gam; + isc->config_ctrls = isc_sama5d2_config_ctrls; + + isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET; |