diff options
| author | Algea Cao <algea.cao@rock-chips.com> | 2017-12-26 15:09:29 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2017-12-27 16:38:53 +0800 |
| commit | ab040de4d7deb73ce21a95a42a9b299783eb7033 (patch) | |
| tree | ca9a4a0ac5fed56c27e71a07660383877cf2b481 /include | |
| parent | 3a68ba388e6e816eecb893538613c79cc7bde2b4 (diff) | |
UPSTREAM: media: linux/cec.h: add pin monitoring API support
Add support for low-level CEC pin monitoring. This adds a new monitor
mode, a new capability and two new events.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
(cherry picked from commit 6303d97873d340e89acdef12effb66f88d79836f)
Change-Id: I39749134b7666c7454fa32ef12057cead7031c85
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/cec.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index 592104577f5c..69994d8a53ad 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -318,6 +318,7 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) #define CEC_MODE_FOLLOWER (0x1 << 4) #define CEC_MODE_EXCL_FOLLOWER (0x2 << 4) #define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4) +#define CEC_MODE_MONITOR_PIN (0xd << 4) #define CEC_MODE_MONITOR (0xe << 4) #define CEC_MODE_MONITOR_ALL (0xf << 4) #define CEC_MODE_FOLLOWER_MSK 0xf0 @@ -338,6 +339,8 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) #define CEC_CAP_MONITOR_ALL (1 << 5) /* Hardware can use CEC only if the HDMI HPD pin is high. */ #define CEC_CAP_NEEDS_HPD (1 << 6) +/* Hardware can monitor CEC pin transitions */ +#define CEC_CAP_MONITOR_PIN (1 << 7) /** * struct cec_caps - CEC capabilities structure. @@ -405,6 +408,8 @@ struct cec_log_addrs { * didn't empty the message queue in time */ #define CEC_EVENT_LOST_MSGS 2 +#define CEC_EVENT_PIN_LOW 3 +#define CEC_EVENT_PIN_HIGH 4 #define CEC_EVENT_FL_INITIAL_STATE (1 << 0) #define CEC_EVENT_FL_DROPPED_EVENTS (1 << 1) |