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authorTakashi Iwai <tiwai@suse.de>2005-11-17 17:04:35 +0100
committerJaroslav Kysela <perex@suse.cz>2006-01-03 12:28:23 +0100
commite2fa213591518bb1387f6042b8572c76ecdc6c6e (patch)
treea57921931676bc83ec207f813ecb382981b0056d /sound/isa
parent[ALSA] azt2320 - Add PM support (diff)
downloadlinux-dev-e2fa213591518bb1387f6042b8572c76ecdc6c6e.tar.xz
linux-dev-e2fa213591518bb1387f6042b8572c76ecdc6c6e.zip
[ALSA] dt019x - Add PM support
Modules: DT019x driver Add PM support to dt019x driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
-rw-r--r--sound/isa/dt019x.c51
1 files changed, 41 insertions, 10 deletions
diff --git a/sound/isa/dt019x.c b/sound/isa/dt019x.c
index 7559956157e9..50e7bc5ef561 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)