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[ALSA] vx-driver - Fix PM support

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Fix PM support on VX drivers (vxpocket and vx222).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 16:06:05 +01:00 committed by Jaroslav Kysela
parent 597c3c9669
commit 0ed1cad172
4 changed files with 51 additions and 15 deletions
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6
include/sound/vx_core.h
View file

@ -346,6 +346,12 @@ void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
int vx_change_frequency(struct vx_core *chip);
/*
* PM
*/
int snd_vx_suspend(struct vx_core *card, pm_message_t state);
int snd_vx_resume(struct vx_core *card);
/*
* hardware constants
*/

18
sound/drivers/vx/vx_core.c
View file

@ -709,13 +709,11 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp)
/*
* suspend
*/
static int snd_vx_suspend(struct snd_card *card, pm_message_t state)
int snd_vx_suspend(struct vx_core *chip, pm_message_t state)
{
struct vx_core *chip = card->pm_private_data;
unsigned int i;
snd_assert(chip, return -EINVAL);
snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
chip->chip_status |= VX_STAT_IN_SUSPEND;
for (i = 0; i < chip->hw->num_codecs; i++)
snd_pcm_suspend_all(chip->pcm[i]);
@ -726,13 +724,10 @@ static int snd_vx_suspend(struct snd_card *card, pm_message_t state)
/*
* resume
*/
static int snd_vx_resume(struct snd_card *card)
int snd_vx_resume(struct vx_core *chip)
{
struct vx_core *chip = card->pm_private_data;
int i, err;
snd_assert(chip, return -EINVAL);
chip->chip_status &= ~VX_STAT_CHIP_INIT;
for (i = 0; i < 4; i++) {
@ -748,6 +743,7 @@ static int snd_vx_resume(struct snd_card *card)
chip->chip_status |= VX_STAT_CHIP_INIT;
chip->chip_status &= ~VX_STAT_IN_SUSPEND;
snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
return 0;
}
@ -789,8 +785,6 @@ struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
strcpy(card->driver, hw->name);
sprintf(card->shortname, "Digigram %s", hw->name);
snd_card_set_pm_callback(card, snd_vx_suspend, snd_vx_resume, chip);
vx_proc_init(chip);
return chip;
@ -822,3 +816,7 @@ EXPORT_SYMBOL(snd_vx_irq_handler);
EXPORT_SYMBOL(snd_vx_dsp_boot);
EXPORT_SYMBOL(snd_vx_dsp_load);
EXPORT_SYMBOL(snd_vx_load_boot_image);
#ifdef CONFIG_PM
EXPORT_SYMBOL(snd_vx_suspend);
EXPORT_SYMBOL(snd_vx_resume);
#endif

33
sound/pci/vx222/vx222.c
View file

@ -218,6 +218,7 @@ static int __devinit snd_vx222_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
card->private_data = vx;
vx->core.ibl.size = ibl[dev];
sprintf(card->longname, "%s at 0x%lx & 0x%lx, irq %i",
@ -250,12 +251,42 @@ static void __devexit snd_vx222_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
#ifdef CONFIG_PM
static int snd_vx222_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_vx222 *vx = card->private_data;
int err;
err = snd_vx_suspend(&vx->core, state);
pci_set_power_state(pci, PCI_D3hot);
pci_disable_device(pci);
pci_save_state(pci);
return err;
}
static int snd_vx222_resume(struct pci_dev *pci)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_vx222 *vx = card->private_data;
pci_restore_state(pci);
pci_enable_device(pci);
pci_set_power_state(pci, PCI_D0);
pci_set_master(pci);
return snd_vx_resume(&vx->core);
}
#endif
static struct pci_driver driver = {
.name = "Digigram VX222",
.id_table = snd_vx222_ids,
.probe = snd_vx222_probe,
.remove = __devexit_p(snd_vx222_remove),
SND_PCI_PM_CALLBACKS
#ifdef CONFIG_PM
.suspend = snd_vx222_suspend,
.resume = snd_vx222_resume,
#endif
};
static int __init alsa_card_vx222_init(void)

9
sound/pcmcia/vx/vxpocket.c
View file

@ -342,9 +342,9 @@ static int vxpocket_event(event_t event, int priority, event_callback_args_t *ar
case CS_EVENT_PM_SUSPEND:
snd_printdd(KERN_DEBUG "SUSPEND\n");
link->state |= DEV_SUSPEND;
if (chip && chip->card->pm_suspend) {
if (chip) {
snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
chip->card->pm_suspend(chip->card, PMSG_SUSPEND);
snd_vx_suspend(chip, PMSG_SUSPEND);
}
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
@ -362,9 +362,9 @@ static int vxpocket_event(event_t event, int priority, event_callback_args_t *ar
//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
snd_printdd(KERN_DEBUG "requestconfig...\n");
pcmcia_request_configuration(link->handle, &link->conf);
if (chip && chip->card->pm_resume) {
if (chip) {
snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
chip->card->pm_resume(chip->card);
snd_vx_resume(chip);
}
}
snd_printdd(KERN_DEBUG "resume done!\n");
@ -407,6 +407,7 @@ static dev_link_t *vxpocket_attach(void)
snd_card_free(card);
return NULL;
}
card->private_data = vxp;
vxp->index = i;
card_alloc |= 1 << i;