xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Kods Problēmas Izmaiņu pieprasījumi Darbības Pakotnes Projekti Laidieni Vikivietne Aktivitāte

[ALSA] Minor clean up and fixes for CS5535 audio driver

Pārlūkot izejas kodu 
Modules: Documentation,CS5535 driver

Minor clean up and fixes for CS5535 audio driver.
Added an entry in ALSA-Configuration.txt, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Šī revīzija ir iekļauta:
Takashi Iwai
2005-11-17 10:15:37 +01:00
revīziju iesūtīja Jaroslav Kysela
vecāks 9b4ffa48ae
revīzija 3e8731740e
4 mainīti faili ar 48 papildinājumiem un 60 dzēšanām
Lejupielādēt ielāpa failu Lejupielādēt izmaiņu failu Izvērst visus failus Savērst visus failus

57
sound/pci/cs5535audio/cs5535audio_pcm.c
Parādīt failu

@@ -150,8 +150,8 @@ static int cs5535audio_build_dma_packets(cs5535audio_t *cs5535au,
cs5535audio_dma_desc_t *desc =
&((cs5535audio_dma_desc_t *) dma->desc_buf.area)[i];
desc->addr = cpu_to_le32(addr);
desc->size = period_bytes;
desc->ctlreserved = PRD_EOP;
desc->size = cpu_to_le32(period_bytes);
desc->ctlreserved = cpu_to_le32(PRD_EOP);
desc_addr += sizeof(cs5535audio_dma_desc_t);
addr += period_bytes;
}
@@ -159,7 +159,7 @@ static int cs5535audio_build_dma_packets(cs5535audio_t *cs5535au,
lastdesc = &((cs5535audio_dma_desc_t *) dma->desc_buf.area)[periods];
lastdesc->addr = cpu_to_le32((u32) dma->desc_buf.addr);
lastdesc->size = 0;
lastdesc->ctlreserved = PRD_JMP;
lastdesc->ctlreserved = cpu_to_le32(PRD_JMP);
jmpprd_addr = cpu_to_le32(lastdesc->addr +
(sizeof(cs5535audio_dma_desc_t)*periods));
@@ -272,34 +272,29 @@ static int snd_cs5535audio_trigger(snd_pcm_substream_t *substream, int cmd)
{
cs5535audio_t *cs5535au = snd_pcm_substream_chip(substream);
cs5535audio_dma_t *dma = substream->runtime->private_data;
int err = 0;
spin_lock(&cs5535au->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
spin_lock_irq(&cs5535au->reg_lock);
dma->ops->pause_dma(cs5535au);
spin_unlock_irq(&cs5535au->reg_lock);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
spin_lock_irq(&cs5535au->reg_lock);
dma->ops->enable_dma(cs5535au);
spin_unlock_irq(&cs5535au->reg_lock);
break;
case SNDRV_PCM_TRIGGER_START:
spin_lock_irq(&cs5535au->reg_lock);
dma->ops->enable_dma(cs5535au);
spin_unlock_irq(&cs5535au->reg_lock);
break;
case SNDRV_PCM_TRIGGER_STOP:
spin_lock_irq(&cs5535au->reg_lock);
dma->ops->disable_dma(cs5535au);
spin_unlock_irq(&cs5535au->reg_lock);
break;
default:
snd_printk(KERN_ERR "unhandled trigger\n");
return -EINVAL;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
dma->ops->pause_dma(cs5535au);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
dma->ops->enable_dma(cs5535au);
break;
case SNDRV_PCM_TRIGGER_START:
dma->ops->enable_dma(cs5535au);
break;
case SNDRV_PCM_TRIGGER_STOP:
dma->ops->disable_dma(cs5535au);
break;
default:
snd_printk(KERN_ERR "unhandled trigger\n");
err = -EINVAL;
break;
}
return 0;
spin_unlock(&cs5535au->reg_lock);
return err;
}
static snd_pcm_uframes_t snd_cs5535audio_pcm_pointer(snd_pcm_substream_t
@@ -375,11 +370,6 @@ static snd_pcm_ops_t snd_cs5535audio_capture_ops = {
.pointer = snd_cs5535audio_pcm_pointer,
};
static void snd_cs5535audio_pcm_free(snd_pcm_t *pcm)
{
snd_pcm_lib_preallocate_free_for_all(pcm);
}
static cs5535audio_dma_ops_t snd_cs5535audio_playback_dma_ops = {
.type = CS5535AUDIO_DMA_PLAYBACK,
.enable_dma = cs5535audio_playback_enable_dma,
@@ -417,7 +407,6 @@ int __devinit snd_cs5535audio_pcm(cs5535audio_t *cs5535au)
&snd_cs5535audio_capture_ops);
pcm->private_data = cs5535au;
pcm->private_free = snd_cs5535audio_pcm_free;
pcm->info_flags = 0;
strcpy(pcm->name, "CS5535 Audio");