diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2022-08-30 12:37:24 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 08:50:04 +0200 |
| commit | 479747caa5bfa94b856bf47249006e6c8aa8be37 (patch) | |
| tree | 90483b1cac2df1d014518c00fb9836668eb9f38f /include/uapi/linux/cec-funcs.h | |
| parent | 20694e96ca089ce6693c2348f8f628ee621e4e74 (diff) | |
media: cec: add support for Absolute Volume Control
Add support for this new CEC message. This was added in HDMI 2.1a.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/uapi/linux/cec-funcs.h')
| -rw-r--r-- | include/uapi/linux/cec-funcs.h | 14 |
1 files changed, 14 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, |