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authorTakashi Iwai <tiwai@suse.de>2012-11-20 18:32:06 +0100
committerTakashi Iwai <tiwai@suse.de>2012-11-21 11:43:40 +0100
commita9bb36261ef5c7e25564d5ce8a5129920a29bff9 (patch)
tree085c83dbf44cc98c77b490ce663bccf3c235a2ea /sound/usb/pcm.c
parent20d32022a8d8639a33d0e429f2d3c51b527ea362 (diff)
downloadblackbird-op-linux-a9bb36261ef5c7e25564d5ce8a5129920a29bff9.tar.gz
blackbird-op-linux-a9bb36261ef5c7e25564d5ce8a5129920a29bff9.zip
ALSA: usb-audio: simplify snd_usb_endpoint_start/stop arguments
Reduce the redundant arguments for snd_usb_endpoint_start() and snd_usb_endpoint_stop(). Also replaced from int to bool. No functional changes by this commit. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r--sound/usb/pcm.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index e7329d0449f2..d90604aa5137 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -211,7 +211,7 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
}
}
-static int start_endpoints(struct snd_usb_substream *subs, int can_sleep)
+static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep)
{
int err;
@@ -263,16 +263,13 @@ static int start_endpoints(struct snd_usb_substream *subs, int can_sleep)
return 0;
}
-static void stop_endpoints(struct snd_usb_substream *subs,
- int force, int can_sleep, int wait)
+static void stop_endpoints(struct snd_usb_substream *subs, bool wait)
{
if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags))
- snd_usb_endpoint_stop(subs->sync_endpoint,
- force, can_sleep, wait);
+ snd_usb_endpoint_stop(subs->sync_endpoint, wait);
if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags))
- snd_usb_endpoint_stop(subs->data_endpoint,
- force, can_sleep, wait);
+ snd_usb_endpoint_stop(subs->data_endpoint, wait);
}
static int deactivate_endpoints(struct snd_usb_substream *subs)
@@ -444,7 +441,7 @@ static int configure_endpoint(struct snd_usb_substream *subs)
int ret;
/* format changed */
- stop_endpoints(subs, 0, 0, 0);
+ stop_endpoints(subs, false);
ret = snd_usb_endpoint_set_params(subs->data_endpoint,
subs->pcm_format,
subs->channels,
@@ -530,7 +527,7 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
subs->period_bytes = 0;
down_read(&subs->stream->chip->shutdown_rwsem);
if (!subs->stream->chip->shutdown) {
- stop_endpoints(subs, 0, 1, 1);
+ stop_endpoints(subs, true);
deactivate_endpoints(subs);
}
up_read(&subs->stream->chip->shutdown_rwsem);
@@ -605,7 +602,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
/* for playback, submit the URBs now; otherwise, the first hwptr_done
* updates for all URBs would happen at the same time when starting */
if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK)
- ret = start_endpoints(subs, 1);
+ ret = start_endpoints(subs, true);
unlock:
up_read(&subs->stream->chip->shutdown_rwsem);
@@ -1010,7 +1007,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_usb_substream *subs = &as->substream[direction];
- stop_endpoints(subs, 0, 0, 0);
+ stop_endpoints(subs, false);
if (!as->chip->shutdown && subs->interface >= 0) {
usb_set_interface(subs->dev, subs->interface, 0);
@@ -1245,7 +1242,7 @@ static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substrea
subs->running = 1;
return 0;
case SNDRV_PCM_TRIGGER_STOP:
- stop_endpoints(subs, 0, 0, 0);
+ stop_endpoints(subs, false);
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
@@ -1266,7 +1263,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- err = start_endpoints(subs, 0);
+ err = start_endpoints(subs, false);
if (err < 0)
return err;
@@ -1274,7 +1271,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream
subs->running = 1;
return 0;
case SNDRV_PCM_TRIGGER_STOP:
- stop_endpoints(subs, 0, 0, 0);
+ stop_endpoints(subs, false);
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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