diff options
| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 17:04:35 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:28:23 +0100 |
| commit | e2fa213591518bb1387f6042b8572c76ecdc6c6e (patch) | |
| tree | a57921931676bc83ec207f813ecb382981b0056d | |
| parent | b6cc25cae365bada36c9f006e314b998eb2c5e7c (diff) | |
| download | linux-e2fa213591518bb1387f6042b8572c76ecdc6c6e.tar.gz | |
[ALSA] dt019x - Add PM support
Modules: DT019x driver
Add PM support to dt019x driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/isa/dt019x.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/sound/isa/dt019x.c b/sound/isa/dt019x.c index 7559956157e94e..50e7bc5ef561ed 100644 --- a/sound/isa/dt019x.c +++ b/sound/isa/dt019x.c @@ -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) |