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SubjectRe: [PATCH 8/9] staging: media: atomisp: disable all custom formats
On Fri, May 29, 2020 at 10:00:30PM +0200, Arnd Bergmann wrote:
> clang points out the usage of an incorrect enum type in the
> list of supported image formats:
>
> drivers/staging/media/atomisp/pci/atomisp_subdev.c:49:65: error: implicit conversion from enumeration type 'enum ia_css_frame_format' to different enumeration type 'enum atomisp_input_format' [-Werror,-Wenum-conversion]
> { V4L2_MBUS_FMT_CUSTOM_NV21, 12, 12, CSS_FRAME_FORMAT_NV21, 0, CSS_FRAME_FORMAT_NV21 },
> drivers/staging/media/atomisp/pci/atomisp_subdev.c:49:39: error: implicit conversion from enumeration type 'enum ia_css_frame_format' to different enumeration type 'enum atomisp_input_format' [-Werror,-Wenum-conversion]
> { V4L2_MBUS_FMT_CUSTOM_NV21, 12, 12, CSS_FRAME_FORMAT_NV21, 0, CSS_FRAME_FORMAT_NV21 },
> { V4L2_MBUS_FMT_CUSTOM_NV12, 12, 12, CSS_FRAME_FORMAT_NV12, 0, CSS_FRAME_FORMAT_NV12 },
> { MEDIA_BUS_FMT_JPEG_1X8, 8, 8, CSS_FRAME_FORMAT_BINARY_8, 0, ATOMISP_INPUT_FORMAT_BINARY_8 },
>
> Checking the git history, I found a commit that disabled one such case
> because it did not work. It seems likely that the incorrect enum was
> part of the original problem and that the others do not work either,
> or have never been tested.
>
> Disable all the ones that cause a warning.
>
> Fixes: cb02ae3d71ea ("media: staging: atomisp: Disable custom format for now")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

I have this patch in my local tree and debated sending it myself. I
think that this is the right fix for now, as the driver is being cleaned
up. Maybe add a FIXME like the rest of this driver?

Regardless of that last point:

Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>

> ---
> drivers/staging/media/atomisp/pci/atomisp_subdev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_subdev.c b/drivers/staging/media/atomisp/pci/atomisp_subdev.c
> index 46590129cbe3..8bce466cc128 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_subdev.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_subdev.c
> @@ -44,9 +44,11 @@ const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[] = {
> { MEDIA_BUS_FMT_SRGGB12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, CSS_BAYER_ORDER_RGGB, CSS_FORMAT_RAW_12 },
> { MEDIA_BUS_FMT_UYVY8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0, ATOMISP_INPUT_FORMAT_YUV422_8 },
> { MEDIA_BUS_FMT_YUYV8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0, ATOMISP_INPUT_FORMAT_YUV422_8 },
> +#if 0
> { MEDIA_BUS_FMT_JPEG_1X8, 8, 8, CSS_FRAME_FORMAT_BINARY_8, 0, ATOMISP_INPUT_FORMAT_BINARY_8 },
> { V4L2_MBUS_FMT_CUSTOM_NV12, 12, 12, CSS_FRAME_FORMAT_NV12, 0, CSS_FRAME_FORMAT_NV12 },
> { V4L2_MBUS_FMT_CUSTOM_NV21, 12, 12, CSS_FRAME_FORMAT_NV21, 0, CSS_FRAME_FORMAT_NV21 },
> +#endif
> { V4L2_MBUS_FMT_CUSTOM_YUV420, 12, 12, ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY, 0, ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY },
> #if 0
> { V4L2_MBUS_FMT_CUSTOM_M10MO_RAW, 8, 8, CSS_FRAME_FORMAT_BINARY_8, 0, ATOMISP_INPUT_FORMAT_BINARY_8 },
> --
> 2.26.2
>

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