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			33 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From b08f5fe3255a997d4e110204bae5d5c87768c9f7 Mon Sep 17 00:00:00 2001
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| From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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| Date: Wed, 31 Oct 2018 14:58:08 +0000
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| Subject: [PATCH 196/432] media: videodev2: Add helper defines for printing
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|  FOURCCs
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| 
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| New helper defines that allow printing of a FOURCC using
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| printf(V4L2_FOURCC_CONV, V4L2_FOURCC_CONV_ARGS(fourcc));
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| 
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| Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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| ---
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|  include/uapi/linux/videodev2.h | 5 +++++
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|  1 file changed, 5 insertions(+)
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| 
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| diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
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| index 1aae2e4b8f10..9a860b277217 100644
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| --- a/include/uapi/linux/videodev2.h
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| +++ b/include/uapi/linux/videodev2.h
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| @@ -82,6 +82,11 @@
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|  	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
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|  #define v4l2_fourcc_be(a, b, c, d)	(v4l2_fourcc(a, b, c, d) | (1 << 31))
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|  
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| +#define V4L2_FOURCC_CONV "%c%c%c%c%s"
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| +#define V4L2_FOURCC_CONV_ARGS(fourcc) \
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| +	(fourcc) & 0x7f, ((fourcc) >> 8) & 0x7f, ((fourcc) >> 16) & 0x7f, \
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| +	((fourcc) >> 24) & 0x7f, (fourcc) & BIT(31) ? "-BE" : ""
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| +
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|  /*
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|   *	E N U M S
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|   */
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| -- 
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| 2.19.1
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| 
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