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Commit b6cc25ca authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] azt2320 - Add PM support 



Modules: AZT2320 driver

Add PM support to azt2320 driver.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 480615f3

sound/isa/azt2320.c

+37 −9
Original line number Diff line number Diff line
@@ -93,6 +93,7 @@ struct snd_card_azt2320 { 
	int dev_no;

	struct pnp_dev *dev;

	struct pnp_dev *devmpu;

	struct snd_cs4231 *chip;

};



static struct pnp_card_device_id snd_azt2320_pnpids[] = {
@@ -329,11 +330,33 @@ static int __devinit snd_azt2320_pnp_detect(struct pnp_card_link *card, 


static void __devexit snd_azt2320_pnp_remove(struct pnp_card_link * pcard)

{

	struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);

	snd_card_free(pnp_get_card_drvdata(pcard));

	pnp_set_card_drvdata(pcard, NULL);

}



#ifdef CONFIG_PM

static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)

{

	struct snd_card *card = pnp_get_card_drvdata(pcard);

	struct snd_card_azt2320 *acard = card->private_data;

	struct snd_cs4231 *chip = acard->chip;



	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

	chip->suspend(chip);

	return 0;

}



static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard)

{

	struct snd_card *card = pnp_get_card_drvdata(pcard);

	struct snd_card_azt2320 *acard = card->private_data;

	struct snd_cs4231 *chip = acard->chip;



	snd_card_disconnect(card);

	snd_card_free_in_thread(card);

	chip->resume(chip);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	return 0;

}

#endif



static struct pnp_card_driver azt2320_pnpc_driver = {

	.flags          = PNP_DRIVER_RES_DISABLE,
@@ -341,20 +364,25 @@ static struct pnp_card_driver azt2320_pnpc_driver = { 
	.id_table       = snd_azt2320_pnpids,

	.probe          = snd_azt2320_pnp_detect,

	.remove         = __devexit_p(snd_azt2320_pnp_remove),

#ifdef CONFIG_PM

	.suspend	= snd_azt2320_pnp_suspend,

	.resume		= snd_azt2320_pnp_resume,

#endif

};



static int __init alsa_card_azt2320_init(void)

{

	int cards = 0;

	int cards;



	cards += pnp_register_card_driver(&azt2320_pnpc_driver);

#ifdef MODULE

	if (!cards) {

	cards = pnp_register_card_driver(&azt2320_pnpc_driver);

	if (cards <= 0) {

		pnp_unregister_card_driver(&azt2320_pnpc_driver);

#ifdef MODULE

		snd_printk(KERN_ERR "no AZT2320 based soundcards found\n");

	}

#endif

	return cards ? 0 : -ENODEV;

		return -ENODEV;

	}

	return 0;

}



static void __exit alsa_card_azt2320_exit(void)