1 files changed, 18 insertions, 3 deletions

diff --git a/drivers/media/video/tm6000/tm6000-alsa.c b/drivers/media/video/tm6000/tm6000-alsa.c
index bb2047c10358..bd07ec707956 100644
--- a/drivers/media/video/tm6000/tm6000-alsa.c
+++ b/drivers/media/video/tm6000/tm6000-alsa.c
@@ -146,20 +146,21 @@ static int dsp_buffer_alloc(struct snd_pcm_substream *substream, int size)
 #define DEFAULT_FIFO_SIZE       4096
 
 static struct snd_pcm_hardware snd_tm6000_digital_hw = {
-        .info = SNDRV_PCM_INFO_MMAP |
+        .info = SNDRV_PCM_INFO_BATCH |
+                SNDRV_PCM_INFO_MMAP |
                 SNDRV_PCM_INFO_INTERLEAVED |
                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
                 SNDRV_PCM_INFO_MMAP_VALID,
         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 
-        .rates = SNDRV_PCM_RATE_CONTINUOUS,
+        .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_KNOT,
         .rate_min = 48000,
         .rate_max = 48000,
         .channels_min = 2,
         .channels_max = 2,
         .period_bytes_min = 64,
         .period_bytes_max = 12544,
-        .periods_min = 1,
+        .periods_min = 2,
         .periods_max = 98,
         .buffer_bytes_max = 62720 * 8,
 };
@@ -181,6 +182,7 @@ static int snd_tm6000_pcm_open(struct snd_pcm_substream *substream)
         chip->substream = substream;
 
         runtime->hw = snd_tm6000_digital_hw;
+        snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 
         return 0;
 _error:
@@ -347,9 +349,13 @@ static int snd_tm6000_card_trigger(struct snd_pcm_substream *substream, int cmd)
         int err = 0;
 
         switch (cmd) {
+        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */
+        case SNDRV_PCM_TRIGGER_RESUME: /* fall through */
         case SNDRV_PCM_TRIGGER_START:
                 atomic_set(&core->stream_started, 1);
                 break;
+        case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */
+        case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */
         case SNDRV_PCM_TRIGGER_STOP:
                 atomic_set(&core->stream_started, 0);
                 break;
@@ -371,6 +377,14 @@ static snd_pcm_uframes_t snd_tm6000_pointer(struct snd_pcm_substream *substream)
         return chip->buf_pos;
 }
 
+static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs,
+                                             unsigned long offset)
+{
+        void *pageptr = subs->runtime->dma_area + offset;
+
+        return vmalloc_to_page(pageptr);
+}
+
 /*
  * operators
  */
@@ -383,6 +397,7 @@ static struct snd_pcm_ops snd_tm6000_pcm_ops = {
         .prepare = snd_tm6000_prepare,
         .trigger = snd_tm6000_card_trigger,
         .pointer = snd_tm6000_pointer,
+        .page = snd_pcm_get_vmalloc_page,
 };
 
 /*