ASoC: samsung: dma: Add pause/resume support for pcm stream information

This patch expands the sound pcm hardware information set, which makes
dma driver support audio stream pause/resume when playback music, and
triggering the push/release commands respectively.

Change-Id: I2f89c13afd335c964d144e9ba1b9d101ceb14a0d
Signed-off-by: Huang Chao <chao7.huang@samsung.com>

diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index b0bdf51..bf3d802 100644 (file)
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -34,7 +34,9 @@ static const struct snd_pcm_hardware dma_hardware = {
        .info                   = SNDRV_PCM_INFO_INTERLEAVED |
                                    SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                    SNDRV_PCM_INFO_MMAP |
-                                   SNDRV_PCM_INFO_MMAP_VALID,
+                                   SNDRV_PCM_INFO_MMAP_VALID |
+                                   SNDRV_PCM_INFO_PAUSE |
+                                   SNDRV_PCM_INFO_RESUME,
        .formats                = SNDRV_PCM_FMTBIT_S16_LE |
                                    SNDRV_PCM_FMTBIT_U16_LE |
                                    SNDRV_PCM_FMTBIT_U8 |