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

From: Shengjiu Wang <shengjiu.wang@nxp.com>
To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org,
	m.szyprowski@samsung.com, mchehab@kernel.org,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com,
	nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org,
	perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v9 13/15] media: uapi: Add an entity type for audio resampler
Date: Fri, 10 Nov 2023 13:48:07 +0800	[thread overview]
Message-ID: <1699595289-25773-14-git-send-email-shengjiu.wang@nxp.com> (raw)
In-Reply-To: <1699595289-25773-1-git-send-email-shengjiu.wang@nxp.com>

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@nxp.com>
---
 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

