diff options
author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2011-05-12 10:04:55 (GMT) |
---|---|---|
committer | Liam Girdwood <lrg@ti.com> | 2011-05-13 11:00:14 (GMT) |
commit | b417382419c67fda6463e02eafb8efebd5f8759e (patch) | |
tree | bb491c29f1fb5eaf5e3ae2737a38e8af1a7e27e1 /sound/soc/omap/omap-pcm.c | |
parent | 63405ce85a4d902bd64ccb4477473d661ae52c95 (diff) | |
download | linux-b417382419c67fda6463e02eafb8efebd5f8759e.tar.xz |
ASoC: omap-pcm: Period wakeup disabling on OMAP2+
Allow disabling ALSA period wakeup interrupts.
This can only be done on OMAP2+ (2/3/4), since there
we can chain the DMA.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Liam Girdwood <lrg@ti.com>
Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r-- | sound/soc/omap/omap-pcm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 0c6eb30..e6a6b99 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -37,7 +37,8 @@ static const struct snd_pcm_hardware omap_pcm_hardware = { SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME, + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .period_bytes_min = 32, @@ -195,7 +196,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) if ((cpu_is_omap1510())) omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); - else + else if (!substream->runtime->no_period_wakeup) omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ); if (!(cpu_class_is_omap1())) { |