From 1a60d4c5a0c4028559585a74e48593b16e1ca9b2 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 16 Jan 2006 16:29:08 +0100 Subject: [ALSA] semaphore -> mutex (core part) Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Takashi Iwai --- sound/core/pcm_native.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'sound/core/pcm_native.c') diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index f3d5de7b55ac..ce1956a5528d 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2112,7 +2112,7 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) } init_waitqueue_entry(&wait, current); add_wait_queue(&pcm->open_wait, &wait); - down(&pcm->open_mutex); + mutex_lock(&pcm->open_mutex); while (1) { err = snd_pcm_open_file(file, pcm, stream, &pcm_file); if (err >= 0) @@ -2125,16 +2125,16 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) } else break; set_current_state(TASK_INTERRUPTIBLE); - up(&pcm->open_mutex); + mutex_unlock(&pcm->open_mutex); schedule(); - down(&pcm->open_mutex); + mutex_lock(&pcm->open_mutex); if (signal_pending(current)) { err = -ERESTARTSYS; break; } } remove_wait_queue(&pcm->open_wait, &wait); - up(&pcm->open_mutex); + mutex_unlock(&pcm->open_mutex); if (err < 0) goto __error; return err; @@ -2160,9 +2160,9 @@ static int snd_pcm_release(struct inode *inode, struct file *file) pcm = substream->pcm; snd_pcm_drop(substream); fasync_helper(-1, file, 0, &substream->runtime->fasync); - down(&pcm->open_mutex); + mutex_lock(&pcm->open_mutex); snd_pcm_release_file(pcm_file); - up(&pcm->open_mutex); + mutex_unlock(&pcm->open_mutex); wake_up(&pcm->open_wait); module_put(pcm->card->module); snd_card_file_remove(pcm->card, file); -- cgit v1.2.2 From e661d0ddc58740eca41313fbb01f1612ff9c7878 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 21 Feb 2006 14:14:50 +0100 Subject: [ALSA] pcm - Move PAUSE ioctl to common ioctl handler Modules: PCM Midlevel Moved PAUSE ioctl to the common ioctl handler. A capture stream may issue PAUSE, too. Signed-off-by: Takashi Iwai --- sound/core/pcm_native.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'sound/core/pcm_native.c') diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index ce1956a5528d..01f150f0990e 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2539,6 +2539,14 @@ static int snd_pcm_common_ioctl1(struct snd_pcm_substream *substream, return snd_pcm_drain(substream); case SNDRV_PCM_IOCTL_DROP: return snd_pcm_drop(substream); + case SNDRV_PCM_IOCTL_PAUSE: + { + int res; + snd_pcm_stream_lock_irq(substream); + res = snd_pcm_pause(substream, (int)(unsigned long)arg); + snd_pcm_stream_unlock_irq(substream); + return res; + } } snd_printd("unknown ioctl = 0x%x\n", cmd); return -ENOTTY; @@ -2619,14 +2627,6 @@ static int snd_pcm_playback_ioctl1(struct snd_pcm_substream *substream, __put_user(result, _frames); return result < 0 ? result : 0; } - case SNDRV_PCM_IOCTL_PAUSE: - { - int res; - snd_pcm_stream_lock_irq(substream); - res = snd_pcm_pause(substream, (int)(unsigned long)arg); - snd_pcm_stream_unlock_irq(substream); - return res; - } } return snd_pcm_common_ioctl1(substream, cmd, arg); } -- cgit v1.2.2