On Mon, 30 Mar 2015, Russell King rmk+kernel@arm.linux.org.uk wrote:
Add a function to find the start of the SADs in the ELD. This complements the helper to retrieve the SAD count.
Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk
I guess version 31 is specific enough to warrant a #define of its own, but meh.
Reviewed-by: Jani Nikula jani.nikula@intel.com
include/drm/drm_edid.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 87d85e81d3a7..c44ad513e0f7 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -346,6 +346,25 @@ static inline int drm_eld_mnl(const uint8_t *eld) }
/**
- drm_eld_sad - Get ELD SAD structures.
- @eld: pointer to an eld memory structure with sad_count set
- */
+static inline const uint8_t *drm_eld_sad(const uint8_t *eld) +{
- unsigned int ver, mnl;
- ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT;
- if (ver != 2 && ver != 31)
return NULL;- mnl = drm_eld_mnl(eld);
- if (mnl > 16)
return NULL;- return eld + DRM_ELD_CEA_SAD(mnl, 0);
+}
+/**
- drm_eld_sad_count - Get ELD SAD count.
- @eld: pointer to an eld memory structure with sad_count set
*/
1.8.3.1
dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel