linux-kernel - [PATCH 3/3] ASoC: spdif: extend supported rates to 768kHz

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Date: Fri, 28 Jun 2024 14:23:08 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Takashi Iwai <tiwai@...e.com>,
	Jaroslav Kysela <perex@...ex.cz>
Cc: Jerome Brunet <jbrunet@...libre.com>,
	alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] ASoC: spdif: extend supported rates to 768kHz

IEC958-3 defines sampling rate up to 768 kHz.
Such rates maybe used with high bandwidth IEC958 links, such as eARC.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 sound/soc/codecs/spdif_receiver.c    | 3 ++-
 sound/soc/codecs/spdif_transmitter.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/spdif_receiver.c b/sound/soc/codecs/spdif_receiver.c
index 862e0b654a1c..310123d2bb5f 100644
--- a/sound/soc/codecs/spdif_receiver.c
+++ b/sound/soc/codecs/spdif_receiver.c
@@ -28,7 +28,8 @@ static const struct snd_soc_dapm_route dir_routes[] = {
 	{ "Capture", NULL, "spdif-in" },
 };
 
-#define STUB_RATES	SNDRV_PCM_RATE_8000_192000
+#define STUB_RATES	(SNDRV_PCM_RATE_8000_768000 | \
+			 SNDRV_PCM_RATE_128000)
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
 			SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE  | \
diff --git a/sound/soc/codecs/spdif_transmitter.c b/sound/soc/codecs/spdif_transmitter.c
index 736518921555..db51a46e689d 100644
--- a/sound/soc/codecs/spdif_transmitter.c
+++ b/sound/soc/codecs/spdif_transmitter.c
@@ -21,7 +21,8 @@
 
 #define DRV_NAME "spdif-dit"
 
-#define STUB_RATES	SNDRV_PCM_RATE_8000_192000
+#define STUB_RATES	(SNDRV_PCM_RATE_8000_768000 | \
+			 SNDRV_PCM_RATE_128000)
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
 			SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE  | \
-- 
2.43.0