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| author | Takashi Iwai <tiwai@suse.de> | 2017-02-20 21:43:40 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-02-20 21:43:40 +0100 |
| commit | 4e25d30c8ddeae6ad0b68440aacadaacb14f8538 (patch) | |
| tree | 08fe4ac15aec508b370262ad653c83a91be247b5 /include/drm | |
| parent | d2bb390a2081a36ffe906724d2848d846f2aeb29 (diff) | |
| parent | 141dee78c40ac2c43aa4ff306688d625e1c731de (diff) | |
| download | linux-4e25d30c8ddeae6ad0b68440aacadaacb14f8538.tar.bz2 | |
Merge tag 'asoc-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.11
Another release that's mainly focused on drivers rather than core
changes, highlights include:
- A huge batch of updates to the Intel drivers, mainly around
DisplayPort and HDMI with some additional board support too.
- Channel mapping support for HDMI.
- Support for AllWinner A31 and A33, Everest Semiconductor ES8328,
Nuvoton NAU8540.
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_edid.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 38eabf65f19d..2705a66b770b 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -248,6 +248,7 @@ struct detailed_timing { # define DRM_ELD_AUD_SYNCH_DELAY_MAX 0xfa /* 500 ms */ #define DRM_ELD_SPEAKER 7 +# define DRM_ELD_SPEAKER_MASK 0x7f # define DRM_ELD_SPEAKER_RLRC (1 << 6) # define DRM_ELD_SPEAKER_FLRC (1 << 5) # define DRM_ELD_SPEAKER_RC (1 << 4) @@ -414,6 +415,18 @@ static inline int drm_eld_size(const uint8_t *eld) } /** + * drm_eld_get_spk_alloc - Get speaker allocation + * @eld: pointer to an ELD memory structure + * + * The returned value is the speakers mask. User has to use %DRM_ELD_SPEAKER + * field definitions to identify speakers. + */ +static inline u8 drm_eld_get_spk_alloc(const uint8_t *eld) +{ + return eld[DRM_ELD_SPEAKER] & DRM_ELD_SPEAKER_MASK; +} + +/** * drm_eld_get_conn_type - Get device type hdmi/dp connected * @eld: pointer to an ELD memory structure * |