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- From d53eb90044c19ba22b51978fcb007d9b5200b83a Mon Sep 17 00:00:00 2001
- From: Eugen Hristev <[email protected]>
- Date: Tue, 13 Apr 2021 12:57:19 +0200
- Subject: [PATCH 177/247] media: atmel: atmel-isc: create callback for DPC
- submodule product specific
- The DPC submodule is a part of the atmel-isc pipeline, and stands for
- Defective Pixel Correction. Its purpose is to detect defective pixels and
- correct them if possible with the help of adjacent pixels.
- Create a product specific callback for initializing the DPC submodule
- of the pipeline.
- For sama5d2 product, this module does not exist, thus this function is a noop.
- [hverkuil: made isc_sama5d2_config_dpc static]
- Signed-off-by: Eugen Hristev <[email protected]>
- Signed-off-by: Hans Verkuil <[email protected]>
- Signed-off-by: Mauro Carvalho Chehab <[email protected]>
- ---
- 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(+)
- diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
- index 8ed8b8a4840c..777a5dc19d6e 100644
- --- a/drivers/media/platform/atmel/atmel-isc-base.c
- +++ b/drivers/media/platform/atmel/atmel-isc-base.c
- @@ -659,6 +659,7 @@ static void isc_set_pipeline(struct isc_device *isc, u32 pipeline)
- regmap_bulk_write(regmap, ISC_GAM_GENTRY, gamma, GAMMA_ENTRIES);
- regmap_bulk_write(regmap, ISC_GAM_RENTRY, gamma, GAMMA_ENTRIES);
-
- + isc->config_dpc(isc);
- isc->config_csc(isc);
- isc->config_cbc(isc);
- isc->config_cc(isc);
- diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
- index 428419d5a07d..2f093dc968cd 100644
- --- a/drivers/media/platform/atmel/atmel-isc.h
- +++ b/drivers/media/platform/atmel/atmel-isc.h
- @@ -220,6 +220,8 @@ struct isc_reg_offsets {
- * @max_width: maximum frame width, dependent on the internal RAM
- * @max_height: maximum frame height, dependent on the internal RAM
- *
- + * @config_dpc: pointer to a function that initializes product
- + * specific DPC module
- * @config_csc: pointer to a function that initializes product
- * specific CSC module
- * @config_cbc: pointer to a function that initializes product
- @@ -299,6 +301,7 @@ struct isc_device {
- u32 max_height;
-
- struct {
- + void (*config_dpc)(struct isc_device *isc);
- void (*config_csc)(struct isc_device *isc);
- void (*config_cbc)(struct isc_device *isc);
- void (*config_cc)(struct isc_device *isc);
- diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
- index 7512012cd9f3..84d1bf3305f2 100644
- --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
- +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
- @@ -107,6 +107,11 @@ static void isc_sama5d2_config_ctrls(struct isc_device *isc,
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
- }
-
- +static void isc_sama5d2_config_dpc(struct isc_device *isc)
- +{
- + /* This module is not present on sama5d2 pipeline */
- +}
- +
- /* Gamma table with gamma 1/2.2 */
- static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
- /* 0 --> gamma 1/1.8 */
- @@ -273,6 +278,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
- isc->max_width = ISC_SAMA5D2_MAX_SUPPORT_WIDTH;
- isc->max_height = ISC_SAMA5D2_MAX_SUPPORT_HEIGHT;
-
- + isc->config_dpc = isc_sama5d2_config_dpc;
- isc->config_csc = isc_sama5d2_config_csc;
- isc->config_cbc = isc_sama5d2_config_cbc;
- isc->config_cc = isc_sama5d2_config_cc;
- --
- 2.32.0
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