[PATCH v2 10/30] media: atmel: atmel-isc: add CBC to the reg offsets struct

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Add cbc to the reg offsets struct. This will allow different products
to have a different reg offset for this particular module.

Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
---
 drivers/media/platform/atmel/atmel-isc-base.c    | 2 +-
 drivers/media/platform/atmel/atmel-isc-regs.h    | 3 +++
 drivers/media/platform/atmel/atmel-isc.h         | 2 ++
 drivers/media/platform/atmel/atmel-sama5d2-isc.c | 7 +++++--
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index 446fe232956b..d4bf7fd5929f 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -2310,7 +2310,7 @@ int isc_pipeline_init(struct isc_device *isc)
 		REG_FIELD(ISC_GAM_CTRL, 2, 2),
 		REG_FIELD(ISC_GAM_CTRL, 3, 3),
 		REG_FIELD(ISC_CSC_CTRL + isc->offsets.csc, 0, 0),
-		REG_FIELD(ISC_CBC_CTRL, 0, 0),
+		REG_FIELD(ISC_CBC_CTRL + isc->offsets.cbc, 0, 0),
 		REG_FIELD(ISC_SUB422_CTRL, 0, 0),
 		REG_FIELD(ISC_SUB420_CTRL, 0, 0),
 	};
diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h
index 5a65600c5f88..a5e2fe01ba9f 100644
--- a/drivers/media/platform/atmel/atmel-isc-regs.h
+++ b/drivers/media/platform/atmel/atmel-isc-regs.h
@@ -177,6 +177,9 @@
 /* Color Space Conversion CRB OCR Register */
 #define ISC_CSC_CRB_OCR	0x000003b0
 
+/* Offset for CBC register specific to sama5d2 product */
+#define ISC_SAMA5D2_CBC_OFFSET	0
+
 /* Contrast And Brightness Control Register */
 #define ISC_CBC_CTRL    0x000003b4
 
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index cb47932197b1..b1fe93c93c61 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -147,9 +147,11 @@ struct isc_ctrls {
 /*
  * struct isc_reg_offsets - ISC device register offsets
  * @csc:		Offset for the CSC register
+ * @cbc:		Offset for the CBC register
  */
 struct isc_reg_offsets {
 	u32 csc;
+	u32 cbc;
 };
 
 /*
diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
index 66b92fa1c752..c3037244e01e 100644
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -80,8 +80,10 @@ void isc_sama5d2_config_cbc(struct isc_device *isc)
 {
 	struct regmap *regmap = isc->regmap;
 
-	regmap_write(regmap, ISC_CBC_BRIGHT, isc->ctrls.brightness);
-	regmap_write(regmap, ISC_CBC_CONTRAST, isc->ctrls.contrast);
+	regmap_write(regmap, ISC_CBC_BRIGHT + isc->offsets.cbc,
+		     isc->ctrls.brightness);
+	regmap_write(regmap, ISC_CBC_CONTRAST + isc->offsets.cbc,
+		     isc->ctrls.contrast);
 }
 
 /* Gamma table with gamma 1/2.2 */
@@ -232,6 +234,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
 	isc->config_cbc = isc_sama5d2_config_cbc;
 
 	isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
+	isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;
 
 	/* sama5d2-isc - 8 bits per beat */
 	isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;
-- 
2.25.1




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