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Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/usbaudio.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 19bdcc74c96c..478e504f7028 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1511,21 +1511,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
1511 return 0; 1511 return 0;
1512} 1512}
1513 1513
1514static struct snd_pcm_hardware snd_usb_playback = 1514static struct snd_pcm_hardware snd_usb_hardware =
1515{
1516 .info = SNDRV_PCM_INFO_MMAP |
1517 SNDRV_PCM_INFO_MMAP_VALID |
1518 SNDRV_PCM_INFO_BATCH |
1519 SNDRV_PCM_INFO_INTERLEAVED |
1520 SNDRV_PCM_INFO_BLOCK_TRANSFER,
1521 .buffer_bytes_max = 1024 * 1024,
1522 .period_bytes_min = 64,
1523 .period_bytes_max = 512 * 1024,
1524 .periods_min = 2,
1525 .periods_max = 1024,
1526};
1527
1528static struct snd_pcm_hardware snd_usb_capture =
1529{ 1515{
1530 .info = SNDRV_PCM_INFO_MMAP | 1516 .info = SNDRV_PCM_INFO_MMAP |
1531 SNDRV_PCM_INFO_MMAP_VALID | 1517 SNDRV_PCM_INFO_MMAP_VALID |
@@ -1904,8 +1890,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
1904 return 0; 1890 return 0;
1905} 1891}
1906 1892
1907static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction, 1893static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
1908 struct snd_pcm_hardware *hw)
1909{ 1894{
1910 struct snd_usb_stream *as = snd_pcm_substream_chip(substream); 1895 struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
1911 struct snd_pcm_runtime *runtime = substream->runtime; 1896 struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1913,7 +1898,7 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction,
1913 1898
1914 subs->interface = -1; 1899 subs->interface = -1;
1915 subs->format = 0; 1900 subs->format = 0;
1916 runtime->hw = *hw; 1901 runtime->hw = snd_usb_hardware;
1917 runtime->private_data = subs; 1902 runtime->private_data = subs;
1918 subs->pcm_substream = substream; 1903 subs->pcm_substream = substream;
1919 return setup_hw_info(runtime, subs); 1904 return setup_hw_info(runtime, subs);
@@ -1934,7 +1919,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
1934 1919
1935static int snd_usb_playback_open(struct snd_pcm_substream *substream) 1920static int snd_usb_playback_open(struct snd_pcm_substream *substream)
1936{ 1921{
1937 return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK, &snd_usb_playback); 1922 return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK);
1938} 1923}
1939 1924
1940static int snd_usb_playback_close(struct snd_pcm_substream *substream) 1925static int snd_usb_playback_close(struct snd_pcm_substream *substream)
@@ -1944,7 +1929,7 @@ static int snd_usb_playback_close(struct snd_pcm_substream *substream)
1944 1929
1945static int snd_usb_capture_open(struct snd_pcm_substream *substream) 1930static int snd_usb_capture_open(struct snd_pcm_substream *substream)
1946{ 1931{
1947 return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE, &snd_usb_capture); 1932 return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE);
1948} 1933}
1949 1934
1950static int snd_usb_capture_close(struct snd_pcm_substream *substream) 1935static int snd_usb_capture_close(struct snd_pcm_substream *substream)