diff options
| author | Mark Brown <broonie@kernel.org> | 2015-09-04 17:16:39 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-09-04 17:16:39 +0100 |
| commit | 04782ca20a8ebb5acf0c35756a38964ae5ea7321 (patch) | |
| tree | ebf475793bb17444d3a1e21974617f27e8ff3a4b /include/drm/drm_edid.h | |
| parent | d5b98eb12420ce856caaf57dc5256eedc56a3747 (diff) | |
| parent | 17649c90ff4c5246bb4babf6260029968a6d119d (diff) | |
Merge branch 'topic/smbus-block' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-core
Diffstat (limited to 'include/drm/drm_edid.h')
| -rw-r--r-- | include/drm/drm_edid.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 799050198323..53c53c459b15 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -348,6 +348,25 @@ 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 */ |