ASoC: PCM_RATE: Check for KNOT and CONTINUOUS flags
authorJassi Brar <jassi.brar@samsung.com>
Fri, 12 Mar 2010 04:38:52 +0000 (13:38 +0900)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Fri, 12 Mar 2010 11:12:20 +0000 (11:12 +0000)
For ASoC, if either CPU or CODEC driver has set the flag, the MACHINE driver
should be given a chance to figure out if the dai, that set the flag, can
accomodate a rate that it does not explicitly specify but is specified
by the dai at the other end of the link.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/soc-core.c

index 06c38d1502b76510f26cb89cdda51004f70b9304..eb73aab78b94f3659a8ae427d7b156594f98f1e4 100644 (file)
@@ -404,6 +404,12 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
                        codec_dai->playback.formats & cpu_dai->playback.formats;
                runtime->hw.rates =
                        codec_dai->playback.rates & cpu_dai->playback.rates;
+               if (codec_dai->playback.rates
+                          & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+                       runtime->hw.rates |= cpu_dai->playback.rates;
+               if (cpu_dai->playback.rates
+                          & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+                       runtime->hw.rates |= codec_dai->playback.rates;
        } else {
                runtime->hw.rate_min =
                        max(codec_dai->capture.rate_min,
@@ -421,6 +427,12 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
                        codec_dai->capture.formats & cpu_dai->capture.formats;
                runtime->hw.rates =
                        codec_dai->capture.rates & cpu_dai->capture.rates;
+               if (codec_dai->capture.rates
+                          & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+                       runtime->hw.rates |= cpu_dai->capture.rates;
+               if (cpu_dai->capture.rates
+                          & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+                       runtime->hw.rates |= codec_dai->capture.rates;
        }
 
        snd_pcm_limit_hw_rates(runtime);