[PATCH 1/1] ASoC: bcm2835-i2s: Support 384k sample rate

Clive Messer clive.messer at digitaldreamtime.co.uk
Sun Jun 19 10:52:19 PDT 2016


Add support for sample rates up to 384k to bcm2835-i2s driver,
with SNDRV_PCM_RATE_CONTINUOUS and specifying 8k min and 384k max,
for both playback and capture.

Signed-off-by: Clive Messer <clive.messer at digitaldreamtime.co.uk>
---
 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 6ba2049..4a67db2 100644
--- a/sound/soc/bcm/bcm2835-i2s.c
+++ b/sound/soc/bcm/bcm2835-i2s.c
@@ -578,7 +578,9 @@ 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
@@ -586,7 +588,9 @@ 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
-- 
2.5.5




More information about the linux-rpi-kernel mailing list