@@ -655,6 +655,7 @@ static void isc_set_pipeline(struct isc_device *isc, u32 pipeline)
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)
@@ -229,6 +229,8 @@ 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.
*
@@ -306,6 +308,7 @@ 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);
@@ -58,6 +58,7 @@ void isc_sama5d2_config_csc(struct isc_device *isc);
void isc_sama5d2_config_cbc(struct isc_device *isc);
void isc_sama5d2_config_cc(struct isc_device *isc);
void isc_sama5d2_config_dpc(struct isc_device *isc);
+void isc_sama5d2_config_gam(struct isc_device *isc);
void isc_sama5d2_config_ctrls(struct isc_device *isc,
const struct v4l2_ctrl_ops *ops);
@@ -120,6 +121,11 @@ void isc_sama5d2_config_dpc(struct isc_device *isc)
/* This module is not present on sama5d2 pipeline */
}
+void isc_sama5d2_config_gam(struct isc_device *isc)
+{
+ /* No specific gamma configuration */
+}
+
/* Gamma table with gamma 1/2.2 */
const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
/* 0 --> gamma 1/1.8 */
@@ -269,6 +275,7 @@ 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_gam = isc_sama5d2_config_gam;
isc->config_ctrls = isc_sama5d2_config_ctrls;
isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
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. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> --- Changes in v3: - added module description in commit message Changes in v2: - addded function prototype to avoid warning with W=1 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 | 7 +++++++ 3 files changed, 11 insertions(+)