[PATCH 02/31] media: Add ALSA Media Controller function entities

From: Shuah Khan
Date: Wed Jan 06 2016 - 15:36:46 EST


Add ALSA Media Controller capture, playback, and mixer
function entity defines.

Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
include/uapi/linux/media.h | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 75cbe92..53a96ae 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -89,6 +89,13 @@ struct media_device_info {
#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 33)

/*
+ * ALSA entities MEDIA_ENT_F_AUDIO_IO is for Capture and Playback
+*/
+#define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 200)
+#define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 201)
+#define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 202)
+
+/*
* Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and
* MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility
* with the legacy v1 API.The number range is out of range by purpose:
@@ -130,7 +137,7 @@ struct media_device_info {
#define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE
#define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L
#define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_T_DEVNODE + 2)
-#define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_T_DEVNODE + 3)
+#define MEDIA_ENT_T_DEVNODE_ALSA MEDIA_ENT_F_AUDIO_IO
#define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_T_DEVNODE + 4)

#define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN
--
2.5.0

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