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Commit e0236f54 authored by Jacob Siverskog's avatar Jacob Siverskog Committed by Mark Brown
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ASoC: pcm179x: Support continuous rates 

According to the PCM179x data sheets sampling frequencies between 10
kHz and 200 kHz are supported. Specify support in the driver.

Tested with PCM1791A.

References:
http://www.ti.com/lit/ds/symlink/pcm1791a.pdf
http://www.ti.com/lit/ds/symlink/pcm1792a.pdf
http://www.ti.com/lit/ds/symlink/pcm1795.pdf
http://www.ti.com/lit/ds/symlink/pcm1796.pdf



Signed-off-by: default avatarJacob Siverskog <jacob@teenage.engineering>
Reviewed-by: default avatarJohan Hovold <johan@kernel.org>
Acked-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 70e3e56e

sound/soc/codecs/pcm179x.c

+3 −1
Original line number Diff line number Diff line
@@ -187,7 +187,9 @@ static struct snd_soc_dai_driver pcm179x_dai = { 
		.stream_name = "Playback",

		.channels_min = 2,

		.channels_max = 2,

		.rates = PCM1792A_RATES,

		.rates = SNDRV_PCM_RATE_CONTINUOUS,

		.rate_min = 10000,

		.rate_max = 200000,

		.formats = PCM1792A_FORMATS, },

	.ops = &pcm179x_dai_ops,

};

sound/soc/codecs/pcm179x.h

+0 −4
Original line number Diff line number Diff line
@@ -17,10 +17,6 @@ 
#ifndef __PCM179X_H__

#define __PCM179X_H__



#define PCM1792A_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_8000_48000 | \

			SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \

			SNDRV_PCM_RATE_192000)



#define PCM1792A_FORMATS (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | \

			  SNDRV_PCM_FMTBIT_S16_LE)