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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-01 18:23:26 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-01 18:31:32 +0100 |
| commit | da9ff1f796e81976935407251815838bef9868d4 (patch) | |
| tree | 3949a2748abdda1d64dc66d6184b11e564289078 /sound/soc/pxa | |
| parent | 1bdd7419910c1506151e7b9e2d60c6980e015f76 (diff) | |
| download | linux-stable-da9ff1f796e81976935407251815838bef9868d4.tar.gz linux-stable-da9ff1f796e81976935407251815838bef9868d4.tar.bz2 linux-stable-da9ff1f796e81976935407251815838bef9868d4.zip | |
ASoC: Only disable pxa2xx-i2s clocks if we enabled them
The clock API can't cope with unbalanced enables and disables and
we only enable in hw_params() but try to disable in shutdown.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/pxa')
| -rw-r--r-- | sound/soc/pxa/pxa2xx-i2s.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c index 4743e262895d..6b8f655d1ad8 100644 --- a/sound/soc/pxa/pxa2xx-i2s.c +++ b/sound/soc/pxa/pxa2xx-i2s.c @@ -167,6 +167,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream, BUG_ON(IS_ERR(clk_i2s)); clk_enable(clk_i2s); + dai->private_data = dai; pxa_i2s_wait(); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) @@ -255,7 +256,10 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream, if ((SACR1 & (SACR1_DREC | SACR1_DRPL)) == (SACR1_DREC | SACR1_DRPL)) { SACR0 &= ~SACR0_ENB; pxa_i2s_wait(); - clk_disable(clk_i2s); + if (dai->private_data != NULL) { + clk_disable(clk_i2s); + dai->private_data = NULL; + } } } @@ -336,6 +340,7 @@ static int pxa2xx_i2s_probe(struct platform_device *dev) return PTR_ERR(clk_i2s); pxa_i2s_dai.dev = &dev->dev; + pxa_i2s_dai.private_data = NULL; ret = snd_soc_register_dai(&pxa_i2s_dai); if (ret != 0) clk_put(clk_i2s); |