DEFINE_PCM_GROUP_LOCK(lock_irq, lock);
DEFINE_PCM_GROUP_LOCK(unlock_irq, unlock);
-#define PCM_LOCK_DEFAULT 0
-#define PCM_LOCK_IRQ 1
-#define PCM_LOCK_IRQSAVE 2
-
-static unsigned long __snd_pcm_stream_lock_mode(struct snd_pcm_substream *substream,
- unsigned int mode)
-{
- unsigned long flags = 0;
- if (substream->pcm->nonatomic) {
- mutex_lock(&substream->self_group.mutex);
- } else {
- switch (mode) {
- case PCM_LOCK_DEFAULT:
- spin_lock(&substream->self_group.lock);
- break;
- case PCM_LOCK_IRQ:
- spin_lock_irq(&substream->self_group.lock);
- break;
- case PCM_LOCK_IRQSAVE:
- spin_lock_irqsave(&substream->self_group.lock, flags);
- break;
- }
- }
- return flags;
-}
-
-static void __snd_pcm_stream_unlock_mode(struct snd_pcm_substream *substream,
- unsigned int mode, unsigned long flags)
-{
- if (substream->pcm->nonatomic) {
- mutex_unlock(&substream->self_group.mutex);
- } else {
- switch (mode) {
- case PCM_LOCK_DEFAULT:
- spin_unlock(&substream->self_group.lock);
- break;
- case PCM_LOCK_IRQ:
- spin_unlock_irq(&substream->self_group.lock);
- break;
- case PCM_LOCK_IRQSAVE:
- spin_unlock_irqrestore(&substream->self_group.lock, flags);
- break;
- }
- }
-}
-
/**
* snd_pcm_stream_lock - Lock the PCM stream
* @substream: PCM substream
*/
void snd_pcm_stream_lock(struct snd_pcm_substream *substream)
{
- __snd_pcm_stream_lock_mode(substream, PCM_LOCK_DEFAULT);
+ snd_pcm_group_lock(&substream->self_group, substream->pcm->nonatomic);
}
EXPORT_SYMBOL_GPL(snd_pcm_stream_lock);
*/
void snd_pcm_stream_unlock(struct snd_pcm_substream *substream)
{
- __snd_pcm_stream_unlock_mode(substream, PCM_LOCK_DEFAULT, 0);
+ snd_pcm_group_unlock(&substream->self_group, substream->pcm->nonatomic);
}
EXPORT_SYMBOL_GPL(snd_pcm_stream_unlock);
*/
void snd_pcm_stream_lock_irq(struct snd_pcm_substream *substream)
{
- __snd_pcm_stream_lock_mode(substream, PCM_LOCK_IRQ);
+ snd_pcm_group_lock_irq(&substream->self_group,
+ substream->pcm->nonatomic);
}
EXPORT_SYMBOL_GPL(snd_pcm_stream_lock_irq);
*/
void snd_pcm_stream_unlock_irq(struct snd_pcm_substream *substream)
{
- __snd_pcm_stream_unlock_mode(substream, PCM_LOCK_IRQ, 0);
+ snd_pcm_group_unlock_irq(&substream->self_group,
+ substream->pcm->nonatomic);
}
EXPORT_SYMBOL_GPL(snd_pcm_stream_unlock_irq);
unsigned long _snd_pcm_stream_lock_irqsave(struct snd_pcm_substream *substream)
{
- return __snd_pcm_stream_lock_mode(substream, PCM_LOCK_IRQSAVE);
+ unsigned long flags = 0;
+ if (substream->pcm->nonatomic)
+ mutex_lock(&substream->self_group.mutex);
+ else
+ spin_lock_irqsave(&substream->self_group.lock, flags);
+ return flags;
}
EXPORT_SYMBOL_GPL(_snd_pcm_stream_lock_irqsave);
void snd_pcm_stream_unlock_irqrestore(struct snd_pcm_substream *substream,
unsigned long flags)
{
- __snd_pcm_stream_unlock_mode(substream, PCM_LOCK_IRQSAVE, flags);
+ if (substream->pcm->nonatomic)
+ mutex_unlock(&substream->self_group.mutex);
+ else
+ spin_unlock_irqrestore(&substream->self_group.lock, flags);
}
EXPORT_SYMBOL_GPL(snd_pcm_stream_unlock_irqrestore);