linux-kernel - [PATCH] ASoC: soc-utils: allow sample rate up to 768kHz for the dummy dai

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Date: Fri, 28 Jun 2024 14:01:29 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>
Cc: Jerome Brunet <jbrunet@...libre.com>,
	alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: soc-utils: allow sample rate up to 768kHz for the dummy dai

The dummy DAI should allow any (reasonable) rates possible.
Make the rate continuous for dummy and set range from 5512Hz to 768kHz

The change is mostly cosmetic as dummy is skipped when setting
the hwparams.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 sound/soc/soc-utils.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 11ba89c6b83c..303823dc45d7 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -144,7 +144,6 @@ static const struct snd_soc_component_driver dummy_codec = {
 	.endianness		= 1,
 };
 
-#define STUB_RATES	SNDRV_PCM_RATE_8000_384000
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S8 | \
 			SNDRV_PCM_FMTBIT_U8 | \
 			SNDRV_PCM_FMTBIT_S16_LE | \
@@ -198,14 +197,18 @@ static struct snd_soc_dai_driver dummy_dai = {
 		.stream_name	= "Playback",
 		.channels_min	= 1,
 		.channels_max	= 384,
-		.rates		= STUB_RATES,
+		.rates		= SNDRV_PCM_RATE_CONTINUOUS,
+		.rate_min	= 5512,
+		.rate_max	= 768000,
 		.formats	= STUB_FORMATS,
 	},
 	.capture = {
 		.stream_name	= "Capture",
 		.channels_min	= 1,
 		.channels_max	= 384,
-		.rates = STUB_RATES,
+		.rates = SNDRV_PCM_RATE_CONTINUOUS,
+		.rate_min	= 5512,
+		.rate_max	= 768000,
 		.formats = STUB_FORMATS,
 	 },
 	.ops = &dummy_dai_ops,
-- 
2.43.0