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authorLars-Peter Clausen <lars@metafoo.de>2014-01-11 13:24:40 +0400
committerMark Brown <broonie@linaro.org>2014-01-15 00:41:57 +0400
commit817873f4b155b22a24c48d6a38ee32007e2d856e (patch)
treeb1dd52e13d803783dd37d713d9433f45bde1ed4c /sound
parent64a9aa9cf57dd551a9ae9bf48f5e63be608aae72 (diff)
downloadlinux-817873f4b155b22a24c48d6a38ee32007e2d856e.tar.xz
ASoC: pcm: Properly initialize hw->rate_max
If none of the components (CODEC or CPU DAI) sets a maximum sample rate we'll end up with the rate_max field of the runtime hardware set to 0. (Note that it is still possible for the components to constrain the supported sample rates using other methods, e.g. setting a list constraint) If rate_max is 0 this means that the sound card doesn't support any rates at all, which is not the desired result. So initialize rate_max to UINT_MAX. For symmetry reasons also set rate_min to 0. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-pcm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 1a617fde46e6..2b8949647e32 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -170,6 +170,9 @@ static void soc_pcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
hw->rates |= codec_stream->rates;
+ hw->rate_min = 0;
+ hw->rate_max = UINT_MAX;
+
snd_pcm_limit_hw_rates(runtime);
hw->rate_min = max(hw->rate_min, cpu_stream->rate_min);