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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
commit | 86579dd06deecfa6ac88d5e84e4d63c397cd6f6d (patch) | |
tree | b4475d3ccde53015ad84a06e4e55e64591171b75 /sound/core/pcm.c | |
parent | 7ea9ea832212c4a755650f7c7cc1ff0b63292a41 (diff) | |
parent | a0f067802576d4eb4c65d40b8ee7d6ea3c81dd61 (diff) | |
download | linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.gz linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.bz2 linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.zip |
Merge branch 'master'
Diffstat (limited to 'sound/core/pcm.c')
-rw-r--r-- | sound/core/pcm.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 28ca61eb0b0d..3da6a38c2d0f 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/time.h> +#include <linux/mutex.h> #include <sound/core.h> #include <sound/minors.h> #include <sound/pcm.h> @@ -35,7 +36,7 @@ MODULE_LICENSE("GPL"); static LIST_HEAD(snd_pcm_devices); static LIST_HEAD(snd_pcm_notify_list); -static DECLARE_MUTEX(register_mutex); +static DEFINE_MUTEX(register_mutex); static int snd_pcm_free(struct snd_pcm *pcm); static int snd_pcm_dev_free(struct snd_device *device); @@ -67,7 +68,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(device, (int __user *)arg)) return -EFAULT; - down(®ister_mutex); + mutex_lock(®ister_mutex); device = device < 0 ? 0 : device + 1; while (device < SNDRV_PCM_DEVICES) { if (snd_pcm_search(card, device)) @@ -76,7 +77,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, } if (device == SNDRV_PCM_DEVICES) device = -1; - up(®ister_mutex); + mutex_unlock(®ister_mutex); if (put_user(device, (int __user *)arg)) return -EFAULT; return 0; @@ -100,7 +101,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, return -EINVAL; if (get_user(subdevice, &info->subdevice)) return -EFAULT; - down(®ister_mutex); + mutex_lock(®ister_mutex); pcm = snd_pcm_search(card, device); if (pcm == NULL) { err = -ENXIO; @@ -125,7 +126,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, } err = snd_pcm_info_user(substream, info); _error: - up(®ister_mutex); + mutex_unlock(®ister_mutex); return err; } case SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE: @@ -140,6 +141,9 @@ static int snd_pcm_control_ioctl(struct snd_card *card, } return -ENOIOCTLCMD; } + +#if defined(CONFIG_PROC_FS) && defined(CONFIG_SND_VERBOSE_PROCFS) + #define STATE(v) [SNDRV_PCM_STATE_##v] = #v #define STREAM(v) [SNDRV_PCM_STREAM_##v] = #v #define READY(v) [SNDRV_PCM_READY_##v] = #v @@ -197,7 +201,6 @@ const char *snd_pcm_format_name(snd_pcm_format_t format) return snd_pcm_format_names[format]; } -#ifdef CONFIG_PROC_FS static char *snd_pcm_stream_names[] = { STREAM(PLAYBACK), STREAM(CAPTURE), @@ -260,6 +263,7 @@ static const char *snd_pcm_state_name(snd_pcm_state_t state) #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) #include <linux/soundcard.h> + static const char *snd_pcm_oss_format_name(int format) { switch (format) { @@ -622,7 +626,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) struct snd_pcm_substream *substream, *prev; #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - init_MUTEX(&pstr->oss.setup_mutex); + mutex_init(&pstr->oss.setup_mutex); #endif pstr->stream = stream; pstr->pcm = pcm; @@ -716,7 +720,7 @@ int snd_pcm_new(struct snd_card *card, char *id, int device, snd_pcm_free(pcm); return err; } - init_MUTEX(&pcm->open_mutex); + mutex_init(&pcm->open_mutex); init_waitqueue_head(&pcm->open_wait); if ((err = snd_device_new(card, SNDRV_DEV_PCM, pcm, &ops)) < 0) { snd_pcm_free(pcm); @@ -902,9 +906,9 @@ static int snd_pcm_dev_register(struct snd_device *device) struct snd_pcm *pcm = device->device_data; snd_assert(pcm != NULL && device != NULL, return -ENXIO); - down(®ister_mutex); + mutex_lock(®ister_mutex); if (snd_pcm_search(pcm->card, pcm->device)) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -EBUSY; } list_add_tail(&pcm->list, &snd_pcm_devices); @@ -928,7 +932,7 @@ static int snd_pcm_dev_register(struct snd_device *device) pcm, str)) < 0) { list_del(&pcm->list); - up(®ister_mutex); + mutex_unlock(®ister_mutex); return err; } for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) @@ -939,7 +943,7 @@ static int snd_pcm_dev_register(struct snd_device *device) notify = list_entry(list, struct snd_pcm_notify, list); notify->n_register(pcm); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); return 0; } @@ -950,7 +954,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) struct snd_pcm_substream *substream; int cidx; - down(®ister_mutex); + mutex_lock(®ister_mutex); list_del_init(&pcm->list); for (cidx = 0; cidx < 2; cidx++) for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) @@ -961,7 +965,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) notify = list_entry(list, struct snd_pcm_notify, list); notify->n_disconnect(pcm); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); return 0; } @@ -973,7 +977,7 @@ static int snd_pcm_dev_unregister(struct snd_device *device) struct snd_pcm *pcm = device->device_data; snd_assert(pcm != NULL, return -ENXIO); - down(®ister_mutex); + mutex_lock(®ister_mutex); list_del(&pcm->list); for (cidx = 0; cidx < 2; cidx++) { devtype = -1; @@ -994,7 +998,7 @@ static int snd_pcm_dev_unregister(struct snd_device *device) notify = list_entry(list, struct snd_pcm_notify, list); notify->n_unregister(pcm); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); return snd_pcm_free(pcm); } @@ -1003,7 +1007,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) struct list_head *p; snd_assert(notify != NULL && notify->n_register != NULL && notify->n_unregister != NULL, return -EINVAL); - down(®ister_mutex); + mutex_lock(®ister_mutex); if (nfree) { list_del(¬ify->list); list_for_each(p, &snd_pcm_devices) @@ -1014,7 +1018,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) list_for_each(p, &snd_pcm_devices) notify->n_register(list_entry(p, struct snd_pcm, list)); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); return 0; } @@ -1029,7 +1033,7 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry, struct list_head *p; struct snd_pcm *pcm; - down(®ister_mutex); + mutex_lock(®ister_mutex); list_for_each(p, &snd_pcm_devices) { pcm = list_entry(p, struct snd_pcm, list); snd_iprintf(buffer, "%02i-%02i: %s : %s", @@ -1042,7 +1046,7 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry, pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count); snd_iprintf(buffer, "\n"); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); } static struct snd_info_entry *snd_pcm_proc_entry = NULL; @@ -1101,7 +1105,6 @@ EXPORT_SYMBOL(snd_pcm_new_stream); EXPORT_SYMBOL(snd_pcm_notify); EXPORT_SYMBOL(snd_pcm_open_substream); EXPORT_SYMBOL(snd_pcm_release_substream); -EXPORT_SYMBOL(snd_pcm_format_name); /* pcm_native.c */ EXPORT_SYMBOL(snd_pcm_link_rwlock); #ifdef CONFIG_PM |