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authorClemens Ladisch <clemens@ladisch.de>2006-10-04 13:41:25 +0200
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:00:00 +0100
commit1700f3080d98323e91864d67cb9f6d46f818ccf0 (patch)
tree66d516a10b48ac65c0fb5abb62c2c52a2e7afcd6 /sound/usb/usbaudio.c
parent9f4bd5dde81b5cb94e4f52f2f05825aa0422f1ff (diff)
downloadlinux-2.6.34-ux500-1700f3080d98323e91864d67cb9f6d46f818ccf0.tar.gz
[ALSA] usb-audio: merge playback/capture hardware information structs
The hardware information structures for playback and capture streams, respectively, are the same, so we can use just one structure for both streams. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/usb/usbaudio.c')
-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 19bdcc74c96..478e504f702 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)
return 0;
}
-static struct snd_pcm_hardware snd_usb_playback =
-{
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_BATCH |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER,
- .buffer_bytes_max = 1024 * 1024,
- .period_bytes_min = 64,
- .period_bytes_max = 512 * 1024,
- .periods_min = 2,
- .periods_max = 1024,
-};
-
-static struct snd_pcm_hardware snd_usb_capture =
+static struct snd_pcm_hardware snd_usb_hardware =
{
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
@@ -1904,8 +1890,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
return 0;
}
-static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction,
- struct snd_pcm_hardware *hw)
+static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
{
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1913,7 +1898,7 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction,
subs->interface = -1;
subs->format = 0;
- runtime->hw = *hw;
+ runtime->hw = snd_usb_hardware;
runtime->private_data = subs;
subs->pcm_substream = substream;
return setup_hw_info(runtime, subs);
@@ -1934,7 +1919,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
static int snd_usb_playback_open(struct snd_pcm_substream *substream)
{
- return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK, &snd_usb_playback);
+ return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK);
}
static 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)
static int snd_usb_capture_open(struct snd_pcm_substream *substream)
{
- return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE, &snd_usb_capture);
+ return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE);
}
static int snd_usb_capture_close(struct snd_pcm_substream *substream)