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Commit e2fa2135 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] dt019x - Add PM support 



Modules: DT019x driver

Add PM support to dt019x driver.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b6cc25ca

sound/isa/dt019x.c

+41 −10
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ struct snd_card_dt019x { 
	struct pnp_dev *dev;

	struct pnp_dev *devmpu;

	struct pnp_dev *devopl;

	struct snd_sb *chip;

};



static struct pnp_card_device_id snd_dt019x_pnpids[] = {
@@ -196,7 +197,7 @@ static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard, 
	if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,

				 sizeof(struct snd_card_dt019x))) == NULL)

		return -ENOMEM;

	acard = (struct snd_card_dt019x *)card->private_data;

	acard = card->private_data;



	snd_card_set_dev(card, &pcard->card->dev);

	if ((error = snd_card_dt019x_pnp(dev, acard, pcard, pid))) {
@@ -214,6 +215,7 @@ static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard, 
		snd_card_free(card);

		return error;

	}

	acard->chip = chip;



	strcpy(card->driver, "DT-019X");

	strcpy(card->shortname, "Diamond Tech. DT-019X");
@@ -290,10 +292,35 @@ static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card, 


static void __devexit snd_dt019x_pnp_remove(struct pnp_card_link * pcard)

{

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

	snd_card_disconnect(card);

	snd_card_free_in_thread(card);

	snd_card_free(pnp_get_card_drvdata(pcard));

	pnp_set_card_drvdata(pcard, NULL);

}



#ifdef CONFIG_PM

static int snd_dt019x_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)

{

	struct snd_card *card = pnp_get_card_drvdata(pcard);

	struct snd_card_dt019x *acard = card->private_data;

	struct snd_sb *chip = acard->chip;



	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

	snd_pcm_suspend_all(chip->pcm);

	snd_sbmixer_suspend(chip);

	return 0;

}



static int snd_dt019x_pnp_resume(struct pnp_card_link *pcard)

{

	struct snd_card *card = pnp_get_card_drvdata(pcard);

	struct snd_card_dt019x *acard = card->private_data;

	struct snd_sb *chip = acard->chip;



	snd_sbdsp_reset(chip);

	snd_sbmixer_resume(chip);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	return 0;

}

#endif



static struct pnp_card_driver dt019x_pnpc_driver = {

	.flags          = PNP_DRIVER_RES_DISABLE,
@@ -301,21 +328,25 @@ static struct pnp_card_driver dt019x_pnpc_driver = { 
	.id_table       = snd_dt019x_pnpids,

	.probe          = snd_dt019x_pnp_probe,

	.remove         = __devexit_p(snd_dt019x_pnp_remove),

#ifdef CONFIG_PM

	.suspend	= snd_dt019x_pnp_suspend,

	.resume		= snd_dt019x_pnp_resume,

#endif

};



static int __init alsa_card_dt019x_init(void)

{

	int cards = 0;



	cards += pnp_register_card_driver(&dt019x_pnpc_driver);



#ifdef MODULE

	if (!cards) {

	cards = pnp_register_card_driver(&dt019x_pnpc_driver);

	if (cards <= 0) {

		pnp_unregister_card_driver(&dt019x_pnpc_driver);

#ifdef MODULE

		snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");

	}

#endif

	return cards ? 0 : -ENODEV;

		return -ENODEV;

	}

	return 0;

}



static void __exit alsa_card_dt019x_exit(void)