Commit 792a6c51 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] Fix PM support 



Modules: ARM AACI PL041 driver,ARM PXA2XX driver

Fix PM support of aaci and pxa2xx drivers.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5e12bea0

sound/arm/aaci.c

+3 −9
Original line number Diff line number Diff line
@@ -635,19 +635,14 @@ static struct snd_pcm_ops aaci_playback_ops = { 
static int aaci_do_suspend(struct snd_card *card, unsigned int state)

{

	struct aaci *aaci = card->private_data;

	if (aaci->card->power_state != SNDRV_CTL_POWER_D3cold) {

	snd_power_change_state(card, SNDRV_CTL_POWER_D3cold);

	snd_pcm_suspend_all(aaci->pcm);

		snd_power_change_state(aaci->card, SNDRV_CTL_POWER_D3cold);

	}

	return 0;

}



static int aaci_do_resume(struct snd_card *card, unsigned int state)

{

	struct aaci *aaci = card->private_data;

	if (aaci->card->power_state != SNDRV_CTL_POWER_D0) {

		snd_power_change_state(aaci->card, SNDRV_CTL_POWER_D0);

	}

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	return 0;

}
@@ -780,7 +775,6 @@ static struct aaci * __devinit aaci_init_card(struct amba_device *dev) 
		return ERR_PTR(-ENOMEM);



	card->private_free = aaci_free_card;

	snd_card_set_pm_callback(card, aaci_do_suspend, aaci_do_resume, NULL);



	strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver));

	strlcpy(card->shortname, "ARM AC'97 Interface", sizeof(card->shortname));

sound/arm/pxa2xx-ac97.c

+16 −20
Original line number Diff line number Diff line
@@ -247,30 +247,28 @@ static struct pxa2xx_pcm_client pxa2xx_ac97_pcm_client = { 


static int pxa2xx_ac97_do_suspend(struct snd_card *card, pm_message_t state)

{

	if (card->power_state != SNDRV_CTL_POWER_D3cold) {

	pxa2xx_audio_ops_t *platform_ops = card->dev->platform_data;



	snd_power_change_state(card, SNDRV_CTL_POWER_D3cold);

	snd_pcm_suspend_all(pxa2xx_ac97_pcm);

	snd_ac97_suspend(pxa2xx_ac97_ac97);

		snd_power_change_state(card, SNDRV_CTL_POWER_D3cold);

	if (platform_ops && platform_ops->suspend)

		platform_ops->suspend(platform_ops->priv);

	GCR |= GCR_ACLINK_OFF;

	pxa_set_cken(CKEN2_AC97, 0);

	}



	return 0;

}



static int pxa2xx_ac97_do_resume(struct snd_card *card)

{

	if (card->power_state != SNDRV_CTL_POWER_D0) {

	pxa2xx_audio_ops_t *platform_ops = card->dev->platform_data;



	pxa_set_cken(CKEN2_AC97, 1);

	if (platform_ops && platform_ops->resume)

		platform_ops->resume(platform_ops->priv);

	snd_ac97_resume(pxa2xx_ac97_ac97);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	}



	return 0;

}
@@ -349,8 +347,6 @@ static int pxa2xx_ac97_probe(struct platform_device *dev) 
	snprintf(card->longname, sizeof(card->longname),

		 "%s (%s)", dev->dev.driver->name, card->mixername);



	snd_card_set_pm_callback(card, pxa2xx_ac97_do_suspend,

				 pxa2xx_ac97_do_resume, NULL);

	ret = snd_card_register(card);

	if (ret == 0) {

		platform_set_drvdata(dev, card);