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[ALSA] dt019x - Add PM support
Modules: DT019x driver Add PM support to dt019x driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
parent
b6cc25cae3
commit
e2fa213591
1 changed files with 41 additions and 10 deletions
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@ -74,6 +74,7 @@ struct snd_card_dt019x {
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struct pnp_dev *dev;
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struct pnp_dev *devmpu;
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struct pnp_dev *devopl;
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struct snd_sb *chip;
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};
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static struct pnp_card_device_id snd_dt019x_pnpids[] = {
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@ -196,7 +197,7 @@ static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard,
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if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_card_dt019x))) == NULL)
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return -ENOMEM;
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acard = (struct snd_card_dt019x *)card->private_data;
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acard = card->private_data;
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snd_card_set_dev(card, &pcard->card->dev);
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if ((error = snd_card_dt019x_pnp(dev, acard, pcard, pid))) {
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@ -214,6 +215,7 @@ static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard,
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snd_card_free(card);
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return error;
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}
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acard->chip = chip;
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strcpy(card->driver, "DT-019X");
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strcpy(card->shortname, "Diamond Tech. DT-019X");
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@ -290,32 +292,61 @@ static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,
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static void __devexit snd_dt019x_pnp_remove(struct pnp_card_link * pcard)
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{
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struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
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snd_card_disconnect(card);
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snd_card_free_in_thread(card);
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snd_card_free(pnp_get_card_drvdata(pcard));
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pnp_set_card_drvdata(pcard, NULL);
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}
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#ifdef CONFIG_PM
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static int snd_dt019x_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
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{
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struct snd_card *card = pnp_get_card_drvdata(pcard);
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struct snd_card_dt019x *acard = card->private_data;
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struct snd_sb *chip = acard->chip;
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
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snd_pcm_suspend_all(chip->pcm);
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snd_sbmixer_suspend(chip);
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return 0;
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}
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static int snd_dt019x_pnp_resume(struct pnp_card_link *pcard)
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{
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struct snd_card *card = pnp_get_card_drvdata(pcard);
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struct snd_card_dt019x *acard = card->private_data;
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struct snd_sb *chip = acard->chip;
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snd_sbdsp_reset(chip);
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snd_sbmixer_resume(chip);
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snd_power_change_state(card, SNDRV_CTL_POWER_D0);
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return 0;
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}
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#endif
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static struct pnp_card_driver dt019x_pnpc_driver = {
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.flags = PNP_DRIVER_RES_DISABLE,
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.name = "dt019x",
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.id_table = snd_dt019x_pnpids,
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.probe = snd_dt019x_pnp_probe,
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.remove = __devexit_p(snd_dt019x_pnp_remove),
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#ifdef CONFIG_PM
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.suspend = snd_dt019x_pnp_suspend,
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.resume = snd_dt019x_pnp_resume,
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#endif
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};
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static int __init alsa_card_dt019x_init(void)
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{
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int cards = 0;
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cards += pnp_register_card_driver(&dt019x_pnpc_driver);
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#ifdef MODULE
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if (!cards) {
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cards = pnp_register_card_driver(&dt019x_pnpc_driver);
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if (cards <= 0) {
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pnp_unregister_card_driver(&dt019x_pnpc_driver);
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#ifdef MODULE
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snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");
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}
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#endif
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return cards ? 0 : -ENODEV;
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return -ENODEV;
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}
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return 0;
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}
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static void __exit alsa_card_dt019x_exit(void)
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