Thread (79 messages) 79 messages, 5 authors, 2016-02-03

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

From: Mauro Carvalho Chehab <hidden>
Date: 2016-01-28 15:02:53
Also in: alsa-devel, linux-media, lkml

Em Wed,  6 Jan 2016 13:26:51 -0700
Shuah Khan [off-list ref] escreveu:
quoted hunk ↗ jump to hunk
Add ALSA Media Controller capture, playback, and mixer
function entity defines.

Signed-off-by: Shuah Khan <redacted>
---
 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)
Please document at KernelDoc.
quoted hunk ↗ jump to hunk
+
+/*
  * 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
Please preserve the old number here, as we don't want to break kABI.
 #define MEDIA_ENT_T_DEVNODE_DVB		(MEDIA_ENT_T_DEVNODE + 4)
 
 #define MEDIA_ENT_T_UNKNOWN		MEDIA_ENT_F_UNKNOWN
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