[PATCH v9 13/15] media: uapi: Add an entity type for audio resampler

From: Shengjiu Wang
Date: Fri Nov 10 2023 - 12:53:28 EST


Add and document a media entity type for audio resampler.
It is MEDIA_ENT_F_PROC_AUDIO_RESAMPLER.

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
Documentation/userspace-api/media/mediactl/media-types.rst | 5 +++++
include/uapi/linux/media.h | 1 +
2 files changed, 6 insertions(+)

diff --git a/Documentation/userspace-api/media/mediactl/media-types.rst b/Documentation/userspace-api/media/mediactl/media-types.rst
index 3f0bcb18a5ca..2977d8723f11 100644
--- a/Documentation/userspace-api/media/mediactl/media-types.rst
+++ b/Documentation/userspace-api/media/mediactl/media-types.rst
@@ -208,6 +208,11 @@ Types and flags used to represent the media graph elements
combination of custom V4L2 controls and IOCTLs, and parameters
supplied in a metadata buffer.

+ * - ``MEDIA_ENT_F_PROC_AUDIO_RESAMPLER``
+ - An Audio Resampler device. An entity capable of
+ resampling a audio stream from one sample rate to another sample
+ rate. Must have one sink pad and at least one source pad.
+
* - ``MEDIA_ENT_F_VID_MUX``
- Video multiplexer. An entity capable of multiplexing must have at
least two sink pads and one source pad, and must pass the video
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 9ff6dec7393a..a8266eaa8042 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -125,6 +125,7 @@ struct media_device_info {
#define MEDIA_ENT_F_PROC_VIDEO_ENCODER (MEDIA_ENT_F_BASE + 0x4007)
#define MEDIA_ENT_F_PROC_VIDEO_DECODER (MEDIA_ENT_F_BASE + 0x4008)
#define MEDIA_ENT_F_PROC_VIDEO_ISP (MEDIA_ENT_F_BASE + 0x4009)
+#define MEDIA_ENT_F_PROC_AUDIO_RESAMPLER (MEDIA_ENT_F_BASE + 0x400a)

/*
* Switch and bridge entity functions
--
2.34.1