diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/cec-funcs.h | 14 | ||||
| -rw-r--r-- | include/uapi/linux/cec.h | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/uapi/linux/cec-funcs.h b/include/uapi/linux/cec-funcs.h index c3baaea0b8ef..d58fa1cdcb08 100644 --- a/include/uapi/linux/cec-funcs.h +++ b/include/uapi/linux/cec-funcs.h @@ -1568,6 +1568,20 @@ static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg * } } +static inline void cec_msg_set_audio_volume_level(struct cec_msg *msg, + __u8 audio_volume_level) +{ + msg->len = 3; + msg->msg[1] = CEC_MSG_SET_AUDIO_VOLUME_LEVEL; + msg->msg[2] = audio_volume_level; +} + +static inline void cec_ops_set_audio_volume_level(const struct cec_msg *msg, + __u8 *audio_volume_level) +{ + *audio_volume_level = msg->msg[2]; +} + /* Audio Rate Control Feature */ static inline void cec_msg_set_audio_rate(struct cec_msg *msg, diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index 1d48da926216..b8e071abaea5 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -768,6 +768,7 @@ struct cec_event { #define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE 0x08 #define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX 0x04 #define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX 0x02 +#define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_VOLUME_LEVEL 0x01 #define CEC_MSG_GIVE_FEATURES 0xa5 /* HDMI 2.0 */ @@ -1059,6 +1060,7 @@ struct cec_event { #define CEC_OP_AUD_FMT_ID_CEA861 0 #define CEC_OP_AUD_FMT_ID_CEA861_CXT 1 +#define CEC_MSG_SET_AUDIO_VOLUME_LEVEL 0x73 /* Audio Rate Control Feature */ #define CEC_MSG_SET_AUDIO_RATE 0x9a |