The Bayer GRBG10 mode used for earlier modes 3280x2460 and
1640x1232 isn't the mode output by the sensor for the
3264x2448 and 1632x1224 modes.

Switch from MEDIA_BUS_FMT_SGRBG10_1X10 to MEDIA_BUS_FMT_SBGGR10_1X10
for 3264x2448 & 1632x1224 modes.

Signed-off-by: Robert Foss <[email protected]>
---

Changes since v1:
 - Sakari: Added mode information to ov8856_mode struct
 - Sakari: enum_mbus_code updated

 drivers/media/i2c/ov8856.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
index 2f4ceaa80593..7cd83564585c 100644
--- a/drivers/media/i2c/ov8856.c
+++ b/drivers/media/i2c/ov8856.c
@@ -126,6 +126,9 @@ struct ov8856_mode {
 
        /* Sensor register settings for this resolution */
        const struct ov8856_reg_list reg_list;
+
+       /* MEDIA_BUS_FMT for this mode */
+       u32 code;
 };
 
 static const struct ov8856_reg mipi_data_rate_720mbps[] = {
@@ -942,6 +945,11 @@ static const char * const ov8856_test_pattern_menu[] = {
        "Bottom-Top Darker Color Bar"
 };
 
+static const u32 ov8856_formats[] = {
+       MEDIA_BUS_FMT_SBGGR10_1X10,
+       MEDIA_BUS_FMT_SGRBG10_1X10,
+};
+
 static const s64 link_freq_menu_items[] = {
        OV8856_LINK_FREQ_360MHZ,
        OV8856_LINK_FREQ_180MHZ
@@ -974,6 +982,7 @@ static const struct ov8856_mode supported_modes[] = {
                        .regs = mode_3280x2464_regs,
                },
                .link_freq_index = OV8856_LINK_FREQ_720MBPS,
+               .code = MEDIA_BUS_FMT_SGRBG10_1X10,
        },
        {
                .width = 3264,
@@ -986,6 +995,7 @@ static const struct ov8856_mode supported_modes[] = {
                        .regs = mode_3264x2448_regs,
                },
                .link_freq_index = OV8856_LINK_FREQ_720MBPS,
+               .code = MEDIA_BUS_FMT_SBGGR10_1X10,
        },
        {
                .width = 1640,
@@ -998,6 +1008,7 @@ static const struct ov8856_mode supported_modes[] = {
                        .regs = mode_1640x1232_regs,
                },
                .link_freq_index = OV8856_LINK_FREQ_360MBPS,
+               .code = MEDIA_BUS_FMT_SGRBG10_1X10,
        },
        {
                .width = 1632,
@@ -1010,6 +1021,7 @@ static const struct ov8856_mode supported_modes[] = {
                        .regs = mode_1632x1224_regs,
                },
                .link_freq_index = OV8856_LINK_FREQ_360MBPS,
+               .code = MEDIA_BUS_FMT_SBGGR10_1X10,
        }
 };
 
@@ -1281,8 +1293,8 @@ static void ov8856_update_pad_format(const struct 
ov8856_mode *mode,
 {
        fmt->width = mode->width;
        fmt->height = mode->height;
-       fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
        fmt->field = V4L2_FIELD_NONE;
+       fmt->code = mode->code;
 }
 
 static int ov8856_start_streaming(struct ov8856 *ov8856)
@@ -1519,11 +1531,10 @@ static int ov8856_enum_mbus_code(struct v4l2_subdev *sd,
                                 struct v4l2_subdev_pad_config *cfg,
                                 struct v4l2_subdev_mbus_code_enum *code)
 {
-       /* Only one bayer order GRBG is supported */
-       if (code->index > 0)
+       if (code->index >= ARRAY_SIZE(ov8856_formats))
                return -EINVAL;
 
-       code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+       code->code = ov8856_formats[code->index];
 
        return 0;
 }
@@ -1532,10 +1543,11 @@ static int ov8856_enum_frame_size(struct v4l2_subdev 
*sd,
                                  struct v4l2_subdev_pad_config *cfg,
                                  struct v4l2_subdev_frame_size_enum *fse)
 {
-       if (fse->index >= ARRAY_SIZE(supported_modes))
+       if ((fse->code != ov8856_formats[0]) &&
+           (fse->code != ov8856_formats[1]))
                return -EINVAL;
 
-       if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
+       if (fse->index >= ARRAY_SIZE(supported_modes))
                return -EINVAL;
 
        fse->min_width = supported_modes[fse->index].width;
-- 
2.27.0

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