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: Jacob Siverskog <jacob@teenage.engineering>
Reviewed-by: Johan Hovold <johan@kernel.org>
Acked-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/pcm179x.c b/sound/soc/codecs/pcm179x.c
index 8f20f70..06a6657 100644 (file)
--- a/sound/soc/codecs/pcm179x.c
+++ b/sound/soc/codecs/pcm179x.c
@@ -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,
 };

diff --git a/sound/soc/codecs/pcm179x.h b/sound/soc/codecs/pcm179x.h
index c4eea4d..11e3312 100644 (file)
--- a/sound/soc/codecs/pcm179x.h
+++ b/sound/soc/codecs/pcm179x.h
@@ -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)