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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-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 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)
 		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)