On Mon Jun 29 12:51:48 2026 +0200, Benjamin Mugnier wrote:
> Apply digital gain to all channels, each channel representing a color.
>
> Cc: [email protected]
> Fixes: e138e7f00042 ("media: i2c: vd55g1: Add support for vd65g4 RGB variant")
> Reviewed-by: Jacopo Mondi <[email protected]>
> Signed-off-by: Benjamin Mugnier <[email protected]>
> Signed-off-by: Sakari Ailus <[email protected]>
Patch committed.
Thanks,
Sakari Ailus
drivers/media/i2c/vd55g1.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/i2c/vd55g1.c b/drivers/media/i2c/vd55g1.c
index 22464fe31562..37d44abd1435 100644
--- a/drivers/media/i2c/vd55g1.c
+++ b/drivers/media/i2c/vd55g1.c
@@ -60,7 +60,10 @@
#define VD55G1_PATGEN_ENABLE BIT(0)
#define VD55G1_REG_MANUAL_ANALOG_GAIN CCI_REG8(0x0501)
#define VD55G1_REG_MANUAL_COARSE_EXPOSURE CCI_REG16_LE(0x0502)
-#define VD55G1_REG_MANUAL_DIGITAL_GAIN CCI_REG16_LE(0x0504)
+#define VD55G1_REG_MANUAL_DIGITAL_GAIN_CH0 CCI_REG16_LE(0x0504)
+#define VD55G1_REG_MANUAL_DIGITAL_GAIN_CH1 CCI_REG16_LE(0x0506)
+#define VD55G1_REG_MANUAL_DIGITAL_GAIN_CH2 CCI_REG16_LE(0x0508)
+#define VD55G1_REG_MANUAL_DIGITAL_GAIN_CH3 CCI_REG16_LE(0x050a)
#define VD55G1_REG_APPLIED_COARSE_EXPOSURE CCI_REG16_LE(0x00e8)
#define VD55G1_REG_APPLIED_ANALOG_GAIN CCI_REG16_LE(0x00ea)
#define VD55G1_REG_APPLIED_DIGITAL_GAIN
CCI_REG16_LE(0x00ec)
@@ -849,9 +852,16 @@ static int vd55g1_update_expo_cluster(struct vd55g1
*sensor, bool is_auto)
vd55g1_write(sensor, VD55G1_REG_MANUAL_ANALOG_GAIN,
sensor->again_ctrl->val, &ret);
- if (!is_auto && sensor->dgain_ctrl->is_new)
- vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN,
+ if (!is_auto && sensor->dgain_ctrl->is_new) {
+ vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN_CH0,
sensor->dgain_ctrl->val, &ret);
+ vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN_CH1,
+ sensor->dgain_ctrl->val, &ret);
+ vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN_CH2,
+ sensor->dgain_ctrl->val, &ret);
+ vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN_CH3,
+ sensor->dgain_ctrl->val, &ret);
+ }
return ret;
}
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