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video/hdmi: Introduce a generic hdmi_infoframe union

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And a way to pack hdmi_infoframe generically.

Cc: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau
2013-08-06 20:32:14 +01:00
committed by Daniel Vetter
parent 3c6b054de1
commit 72b098964d
2 changed files with 60 additions and 0 deletions
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17
include/linux/hdmi.h
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@@ -23,6 +23,12 @@ enum hdmi_infoframe_type {
#define HDMI_SPD_INFOFRAME_SIZE 25
#define HDMI_AUDIO_INFOFRAME_SIZE 10
struct hdmi_any_infoframe {
enum hdmi_infoframe_type type;
unsigned char version;
unsigned char length;
};
enum hdmi_colorspace {
HDMI_COLORSPACE_RGB,
HDMI_COLORSPACE_YUV422,
@@ -228,4 +234,15 @@ struct hdmi_vendor_infoframe {
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
void *buffer, size_t size);
union hdmi_infoframe {
struct hdmi_any_infoframe any;
struct hdmi_avi_infoframe avi;
struct hdmi_spd_infoframe spd;
struct hdmi_vendor_infoframe vendor;
struct hdmi_audio_infoframe audio;
};
ssize_t
hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
#endif /* _DRM_HDMI_H */