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[ALSA] trident - Fix PM support 

Modules: Trident driver

Fix PM support on Trident driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 16:09:25 +01:00 committed by Jaroslav Kysela
parent cb28e45ba2
commit fb0700b4de
3 changed files with 24 additions and 25 deletions
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2
include/sound/trident.h
View File

@ -452,6 +452,8 @@ void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voi
void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice);
void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice);
void snd_trident_write_voice_regs(struct snd_trident * trident, struct snd_trident_voice *voice);
int snd_trident_suspend(struct pci_dev *pci, pm_message_t state);
int snd_trident_resume(struct pci_dev *pci);
/* TLB memory allocation */
struct snd_util_memblk *snd_trident_alloc_pages(struct snd_trident *trident,

6
sound/pci/trident/trident.c
View File

@ -100,6 +100,7 @@ static int __devinit snd_trident_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
card->private_data = trident;
switch (trident->device) {
case TRIDENT_DEVICE_ID_DX:
@ -180,7 +181,10 @@ static struct pci_driver driver = {
.id_table = snd_trident_ids,
.probe = snd_trident_probe,
.remove = __devexit_p(snd_trident_remove),
SND_PCI_PM_CALLBACKS
#ifdef CONFIG_PM
.suspend = snd_trident_suspend,
.resume = snd_trident_resume,
#endif
};
static int __init alsa_card_trident_init(void)

33
sound/pci/trident/trident_main.c
View File

@ -52,10 +52,6 @@ static int snd_trident_pcm_mixer_free(struct snd_trident *trident,
struct snd_pcm_substream *substream);
static irqreturn_t snd_trident_interrupt(int irq, void *dev_id,
struct pt_regs *regs);
#ifdef CONFIG_PM
static int snd_trident_suspend(struct snd_card *card, pm_message_t state);
static int snd_trident_resume(struct snd_card *card);
#endif
static int snd_trident_sis_reset(struct snd_trident *trident);
static void snd_trident_clear_voices(struct snd_trident * trident,
@ -3661,8 +3657,6 @@ int __devinit snd_trident_create(struct snd_card *card,
snd_trident_enable_eso(trident);
snd_card_set_pm_callback(card, snd_trident_suspend, snd_trident_resume, trident);
snd_trident_proc_init(trident);
snd_card_set_dev(card, &pci->dev);
*rtrident = trident;
@ -3938,19 +3932,18 @@ static void snd_trident_clear_voices(struct snd_trident * trident, unsigned shor
}
#ifdef CONFIG_PM
static int snd_trident_suspend(struct snd_card *card, pm_message_t state)
int snd_trident_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_trident *trident = card->pm_private_data;
struct snd_card *card = pci_get_drvdata(pci);
struct snd_trident *trident = card->private_data;
trident->in_suspend = 1;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(trident->pcm);
if (trident->foldback)
snd_pcm_suspend_all(trident->foldback);
if (trident->spdif)
snd_pcm_suspend_all(trident->spdif);
snd_ac97_suspend(trident->ac97);
if (trident->ac97_sec)
snd_ac97_suspend(trident->ac97_sec);
switch (trident->device) {
@ -3960,19 +3953,19 @@ static int snd_trident_suspend(struct snd_card *card, pm_message_t state)
case TRIDENT_DEVICE_ID_SI7018:
break;
}
pci_disable_device(trident->pci);
pci_disable_device(pci);
pci_save_state(pci);
return 0;
}
static int snd_trident_resume(struct snd_card *card)
int snd_trident_resume(struct pci_dev *pci)
{
struct snd_trident *trident = card->pm_private_data;
struct snd_card *card = pci_get_drvdata(pci);
struct snd_trident *trident = card->private_data;
pci_enable_device(trident->pci);
if (pci_set_dma_mask(trident->pci, 0x3fffffff) < 0 ||
pci_set_consistent_dma_mask(trident->pci, 0x3fffffff) < 0)
snd_printk(KERN_WARNING "trident: can't set the proper DMA mask\n");
pci_set_master(trident->pci); /* to be sure */
pci_restore_state(pci);
pci_enable_device(pci);
pci_set_master(pci); /* to be sure */
switch (trident->device) {
case TRIDENT_DEVICE_ID_DX:
@ -3987,7 +3980,6 @@ static int snd_trident_resume(struct snd_card *card)
}
snd_ac97_resume(trident->ac97);
if (trident->ac97_sec)
snd_ac97_resume(trident->ac97_sec);
/* restore some registers */
@ -3995,6 +3987,7 @@ static int snd_trident_resume(struct snd_card *card)
snd_trident_enable_eso(trident);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
trident->in_suspend = 0;
return 0;
}