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media: cadence: csi2rx: Add enum_mbus_code pad ops

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Add enum_mbus_code ioctl so that user space can know what
formats are supported to csi2rx.

Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Reviewed-by: Julien Massot <julien.massot@collabora.com>
Tested-by: Julien Massot <julien.massot@collabora.com>
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Tested-by: Jai Luthra <j-luthra@ti.com> # [Test on sk-am62a]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Changhuang Liang 2023-12-11 01:43:29 -08:00 committed by Hans Verkuil
parent 999eb5f810
commit c271690491
1 changed files with 13 additions and 0 deletions
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13
drivers/media/platform/cadence/cdns-csi2rx.c
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@ -393,6 +393,18 @@ static int csi2rx_s_stream(struct v4l2_subdev *subdev, int enable)
return ret;
}
static int csi2rx_enum_mbus_code(struct v4l2_subdev *subdev,
struct v4l2_subdev_state *state,
struct v4l2_subdev_mbus_code_enum *code_enum)
{
if (code_enum->index >= ARRAY_SIZE(formats))
return -EINVAL;
code_enum->code = formats[code_enum->index].code;
return 0;
}
static int csi2rx_set_fmt(struct v4l2_subdev *subdev,
struct v4l2_subdev_state *state,
struct v4l2_subdev_format *format)
@ -443,6 +455,7 @@ static int csi2rx_init_state(struct v4l2_subdev *subdev,
}
static const struct v4l2_subdev_pad_ops csi2rx_pad_ops = {
.enum_mbus_code = csi2rx_enum_mbus_code,
.get_fmt = v4l2_subdev_get_fmt,
.set_fmt = csi2rx_set_fmt,
};