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ALSA: atiixp: Move PCM suspend/resume code into trigger callback 

ATIIXP driver supports the full PCM resume and saves/restores the
running PCM pointer.  This used to be done in the suspend and resume
callbacks together with snd_pcm_suspend() call.  But since we moved
the snd_pcm_supsend*() call in PCM device PM ops, this should be moved
to a more appropriate place, i.e. the trigger callback.

Along with the movement of the PCM suspend/resume code, remove the
superfluous snd_pcm_suspend_all() call, too.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-01-11 17:57:29 +01:00
parent 3d21ef0b49
commit 435e25c67d
1 changed files with 8 additions and 11 deletions
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19
sound/pci/atiixp.c
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@ -733,6 +733,10 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
if (dma->running && dma->suspended &&
cmd == SNDRV_PCM_TRIGGER_RESUME)
writel(dma->saved_curptr, chip->remap_addr +
dma->ops->dt_cur);
dma->ops->enable_transfer(chip, 1);
dma->running = 1;
dma->suspended = 0;
@ -740,9 +744,12 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND;
if (dma->running && dma->suspended)
dma->saved_curptr = readl(chip->remap_addr +
dma->ops->dt_cur);
dma->ops->enable_transfer(chip, 0);
dma->running = 0;
dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND;
break;
default:
err = -EINVAL;
@ -1479,14 +1486,6 @@ static int snd_atiixp_suspend(struct device *dev)
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < NUM_ATI_PCMDEVS; i++)
if (chip->pcmdevs[i]) {
struct atiixp_dma *dma = &chip->dmas[i];
if (dma->substream && dma->running)
dma->saved_curptr = readl(chip->remap_addr +
dma->ops->dt_cur);
snd_pcm_suspend_all(chip->pcmdevs[i]);
}
for (i = 0; i < NUM_ATI_CODECS; i++)
snd_ac97_suspend(chip->ac97[i]);
snd_atiixp_aclink_down(chip);
@ -1514,8 +1513,6 @@ static int snd_atiixp_resume(struct device *dev)
dma->substream->ops->prepare(dma->substream);
writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN,
chip->remap_addr + dma->ops->llp_offset);
writel(dma->saved_curptr, chip->remap_addr +
dma->ops->dt_cur);
}
}