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media: i2c: vd55g1: Fix manual digital gain on color variant

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Apply digital gain to all channels, each channel representing a color.

Cc: stable@vger.kernel.org
Fixes: e138e7f000 ("media: i2c: vd55g1: Add support for vd65g4 RGB variant")
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
This commit is contained in:
Benjamin Mugnier 2026-06-29 12:51:48 +02:00 committed by Sakari Ailus
parent 3e275097e2
commit 113a84d6ba
1 changed files with 13 additions and 3 deletions
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16
drivers/media/i2c/vd55g1.c
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@ -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;
}