diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-03-13 00:47:22 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-14 12:45:25 +0200 |
| commit | 4b7126a7894849aaf239dad71b9286534d8c1719 (patch) | |
| tree | aef9d11972ec0c513f5db6e60c46e7904c4ba7af | |
| parent | f89ab84a949f9b7072c4f9d86231d0161fc8fe24 (diff) | |
| download | linux-4b7126a7894849aaf239dad71b9286534d8c1719.tar.bz2 | |
media: imx: imx7-mipi-csis: Implement the .enum_mbus_code() operation
Implement the subdev pad .enum_mbus_code() operation to enumerate media
bus codes on the sink and source pads.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/staging/media/imx/imx7-mipi-csis.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 1ccbea2567ee..e2403b448b6d 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -752,6 +752,38 @@ static int mipi_csis_get_fmt(struct v4l2_subdev *mipi_sd, return 0; } +static int mipi_csis_enum_mbus_code(struct v4l2_subdev *mipi_sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct csi_state *state = mipi_sd_to_csis_state(mipi_sd); + + /* + * The CSIS can't transcode in any way, the source format is identical + * to the sink format. + */ + if (code->pad == CSIS_PAD_SOURCE) { + struct v4l2_mbus_framefmt *fmt; + + if (code->index > 0) + return -EINVAL; + + fmt = mipi_csis_get_format(state, cfg, code->which, code->pad); + code->code = fmt->code; + return 0; + } + + if (code->pad != CSIS_PAD_SINK) + return -EINVAL; + + if (code->index >= ARRAY_SIZE(mipi_csis_formats)) + return -EINVAL; + + code->code = mipi_csis_formats[code->index].code; + + return 0; +} + static int mipi_csis_set_fmt(struct v4l2_subdev *mipi_sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *sdformat) @@ -881,6 +913,7 @@ static const struct v4l2_subdev_video_ops mipi_csis_video_ops = { static const struct v4l2_subdev_pad_ops mipi_csis_pad_ops = { .init_cfg = mipi_csis_init_cfg, + .enum_mbus_code = mipi_csis_enum_mbus_code, .get_fmt = mipi_csis_get_fmt, .set_fmt = mipi_csis_set_fmt, }; |