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From: Matthias Reichl <hias@horus.com>
To: Mark Brown <broonie@kernel.org>, Eric Anholt <eric@anholt.net>,
	Stefan Wahren <stefan.wahren@i2se.com>
Cc: alsa-devel@alsa-project.org, linux-rpi-kernel@lists.infradead.org
Subject: [PATCH 3/4] ASoC: bcm2835: Support additional samplerates up to 384kHz
Date: Wed,  8 Nov 2017 21:03:31 +0100	[thread overview]
Message-ID: <20171108200332.28949-4-hias@horus.com> (raw)
In-Reply-To: <20171108200332.28949-1-hias@horus.com>

Sample rates are only restricted by the capabilities of the
clock driver, so use SNDRV_PCM_RATE_CONTINUOUS instead of
SNDRV_PCM_RATE_8000_192000.

Tests (eg with pcm5122) have shown that bcm2835 works fine
in 384kHz/32bit stereo mode, so change the maximum allowed
rate from 192kHz to 384kHz.

Signed-off-by: Matthias Reichl <hias@horus.com>
---
 sound/soc/bcm/bcm2835-i2s.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/bcm/bcm2835-i2s.c b/sound/soc/bcm/bcm2835-i2s.c
index 3a706fda4f39..43f5715a0d5d 100644
--- a/sound/soc/bcm/bcm2835-i2s.c
+++ b/sound/soc/bcm/bcm2835-i2s.c
@@ -765,7 +765,9 @@ static struct snd_soc_dai_driver bcm2835_i2s_dai = {
 	.playback = {
 		.channels_min = 2,
 		.channels_max = 2,
-		.rates =	SNDRV_PCM_RATE_8000_192000,
+		.rates =	SNDRV_PCM_RATE_CONTINUOUS,
+		.rate_min =	8000,
+		.rate_max =	384000,
 		.formats =	SNDRV_PCM_FMTBIT_S16_LE
 				| SNDRV_PCM_FMTBIT_S24_LE
 				| SNDRV_PCM_FMTBIT_S32_LE
@@ -773,7 +775,9 @@ static struct snd_soc_dai_driver bcm2835_i2s_dai = {
 	.capture = {
 		.channels_min = 2,
 		.channels_max = 2,
-		.rates =	SNDRV_PCM_RATE_8000_192000,
+		.rates =	SNDRV_PCM_RATE_CONTINUOUS,
+		.rate_min =	8000,
+		.rate_max =	384000,
 		.formats =	SNDRV_PCM_FMTBIT_S16_LE
 				| SNDRV_PCM_FMTBIT_S24_LE
 				| SNDRV_PCM_FMTBIT_S32_LE
-- 
2.11.0

  parent reply	other threads:[~2017-11-08 20:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-08 20:03 [PATCH 0/4] ASoC: bcm2835: Additional modes and constraint updates Matthias Reichl
2017-11-08 20:03 ` [PATCH 2/4] ASoC: bcm2835: Support left/right justified and DSP modes Matthias Reichl
2017-11-08 20:03 ` Matthias Reichl [this message]
2017-11-08 20:26   ` [PATCH 3/4] ASoC: bcm2835: Support additional samplerates up to 384kHz Eric Anholt
     [not found] ` <20171108200332.28949-1-hias-vtPv7MOkFPkAvxtiuMwx3w@public.gmane.org>
2017-11-08 20:03   ` [PATCH 1/4] ASoC: bcm2835: Add support for TDM modes Matthias Reichl
2017-11-10 21:29     ` Applied "ASoC: bcm2835: Add support for TDM modes" to the asoc tree Mark Brown
2017-11-08 20:03   ` [PATCH 4/4] ASoC: bcm2835: Enforce full symmetry Matthias Reichl
2017-11-10 21:28     ` Applied "ASoC: bcm2835: Enforce full symmetry" to the asoc tree Mark Brown

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