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[ALSA] dt019x - Add PM support

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Modules: DT019x driver

Add PM support to dt019x driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 17:04:35 +01:00 committed by Jaroslav Kysela
parent b6cc25cae3
commit e2fa213591
1 changed files with 41 additions and 10 deletions
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51
sound/isa/dt019x.c
View file

@ -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");
@ -290,32 +292,61 @@ 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,
.name = "dt019x",
.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)