diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0196-media-videodev2-Add-helper-defines-for-printing-FOUR.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0196-media-videodev2-Add-helper-defines-for-printing-FOUR.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0196-media-videodev2-Add-helper-defines-for-printing-FOUR.patch b/target/linux/brcm2708/patches-4.19/950-0196-media-videodev2-Add-helper-defines-for-printing-FOUR.patch new file mode 100644 index 0000000000..00f394387b --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0196-media-videodev2-Add-helper-defines-for-printing-FOUR.patch @@ -0,0 +1,28 @@ +From f776604fdd061358ccdc420ba8babcc6fbe76baa Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Wed, 31 Oct 2018 14:58:08 +0000 +Subject: [PATCH 196/703] media: videodev2: Add helper defines for printing + FOURCCs + +New helper defines that allow printing of a FOURCC using +printf(V4L2_FOURCC_CONV, V4L2_FOURCC_CONV_ARGS(fourcc)); + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + include/uapi/linux/videodev2.h | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/include/uapi/linux/videodev2.h ++++ b/include/uapi/linux/videodev2.h +@@ -82,6 +82,11 @@ + ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) + #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) + ++#define V4L2_FOURCC_CONV "%c%c%c%c%s" ++#define V4L2_FOURCC_CONV_ARGS(fourcc) \ ++ (fourcc) & 0x7f, ((fourcc) >> 8) & 0x7f, ((fourcc) >> 16) & 0x7f, \ ++ ((fourcc) >> 24) & 0x7f, (fourcc) & BIT(31) ? "-BE" : "" ++ + /* + * E N U M S + */ |