Hi Matthew,
On Tue, Aug 21, 2018 at 09:26:39AM -0700, Matthew Wilcox wrote:
On Tue, Aug 21, 2018 at 05:16:11PM +0100, Brian Starkey wrote:
There's a number of things which haven't previously been documented
around the usage of format modifiers. Capture the current
understanding in an overview comment and add it to the rst
documentation.
Ideally, the generated documentation would also include documentation
of all of the #defines, but the kernel-doc system doesn't currently
support kernel-doc comments on #define constants.
Can you turn them into enums? This seems to work ok:
-/* color index */
-#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
-
-/* 8 bpp Red */
-#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
+enum {
+ /* color index */
+ DRM_FORMAT_C8 = fourcc_code('C', '8', ' ', ' '), /* [7:0] C */
+ /* 8 bpp Red */
+ DRM_FORMAT_R8 = fourcc_code('R', '8', ' ', ' '), /* [7:0] R */
+};
but I appreciate this is user API and maybe there's some code out there
that does #ifndef DRM_FORMAT_C8 ...
Thanks for the suggestion, Daniel did mention the same. However,
unfortunately I don't think we can safely change the UAPI header in
this manner.
Cheers,
-Brian
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