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@xxxxxxxx> 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@xxxxxxxxx> > --- > 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 >