linux-kernel - [PATCH 1/2] ALSA: pcm: Add support for 705.6KHz and 768KHz sample rate

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Message-Id: <1619519663-10406-1-git-send-email-shengjiu.wang@nxp.com>
Date:   Tue, 27 Apr 2021 18:34:22 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, broonie@...nel.org
Subject: [PATCH 1/2] ALSA: pcm: Add support for 705.6KHz and 768KHz sample rate

Some high resolution codecs support 705.6KHz and 768KHz rates.
So extend supported sample rate to 768kHz in pcm.h.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 include/sound/pcm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 2e1200d17d0c..88056824ffec 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -121,6 +121,8 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_RATE_192000		(1<<12)		/* 192000Hz */
 #define SNDRV_PCM_RATE_352800		(1<<13)		/* 352800Hz */
 #define SNDRV_PCM_RATE_384000		(1<<14)		/* 384000Hz */
+#define SNDRV_PCM_RATE_705600		(1<<15)		/* 705600Hz */
+#define SNDRV_PCM_RATE_768000		(1<<16)		/* 768000Hz */
 
 #define SNDRV_PCM_RATE_CONTINUOUS	(1<<30)		/* continuous range */
 #define SNDRV_PCM_RATE_KNOT		(1<<31)		/* supports more non-continuos rates */
@@ -136,6 +138,9 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_RATE_8000_384000	(SNDRV_PCM_RATE_8000_192000|\
 					 SNDRV_PCM_RATE_352800|\
 					 SNDRV_PCM_RATE_384000)
+#define SNDRV_PCM_RATE_8000_768000	(SNDRV_PCM_RATE_8000_768000|\
+					 SNDRV_PCM_RATE_705600|\
+					 SNDRV_PCM_RATE_768000)
 #define _SNDRV_PCM_FMTBIT(fmt)		(1ULL << (__force int)SNDRV_PCM_FORMAT_##fmt)
 #define SNDRV_PCM_FMTBIT_S8		_SNDRV_PCM_FMTBIT(S8)
 #define SNDRV_PCM_FMTBIT_U8		_SNDRV_PCM_FMTBIT(U8)
-- 
2.27.0