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[ALSA] pdaudiocf - Fix PM support 

Modules: PDAudioCF driver

Fix the PM support on pdaudiocf driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
wifi-calibration
Takashi Iwai 2005-11-17 17:15:58 +01:00 committed by Jaroslav Kysela
parent 7f52bdb61b
commit e4f163d960
3 changed files with 8 additions and 10 deletions
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6
sound/pcmcia/pdaudiocf/pdaudiocf.c
View File

@ -217,8 +217,6 @@ static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq
if (err < 0)
return err;
snd_card_set_pm_callback(card, snd_pdacf_suspend, snd_pdacf_resume, pdacf);
if ((err = snd_card_register(card)) < 0)
return err;
@ -339,7 +337,7 @@ static int pdacf_event(event_t event, int priority, event_callback_args_t *args)
link->state |= DEV_SUSPEND;
if (chip) {
snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
snd_pdacf_suspend(chip->card, PMSG_SUSPEND);
snd_pdacf_suspend(chip, PMSG_SUSPEND);
}
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
@ -358,7 +356,7 @@ static int pdacf_event(event_t event, int priority, event_callback_args_t *args)
pcmcia_request_configuration(link->handle, &link->conf);
if (chip) {
snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
snd_pdacf_resume(chip->card);
snd_pdacf_resume(chip);
}
}
snd_printdd(KERN_DEBUG "resume done!\n");

4
sound/pcmcia/pdaudiocf/pdaudiocf.h
View File

@ -134,8 +134,8 @@ struct snd_pdacf *snd_pdacf_create(struct snd_card *card);
int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf);
void snd_pdacf_powerdown(struct snd_pdacf *chip);
#ifdef CONFIG_PM
int snd_pdacf_suspend(struct snd_card *card, pm_message_t state);
int snd_pdacf_resume(struct snd_card *card);
int snd_pdacf_suspend(struct snd_pdacf *chip, pm_message_t state);
int snd_pdacf_resume(struct snd_pdacf *chip);
#endif
int snd_pdacf_pcm_new(struct snd_pdacf *chip);
irqreturn_t pdacf_interrupt(int irq, void *dev, struct pt_regs *regs);

8
sound/pcmcia/pdaudiocf/pdaudiocf_core.c
View File

@ -255,11 +255,11 @@ void snd_pdacf_powerdown(struct snd_pdacf *chip)
#ifdef CONFIG_PM
int snd_pdacf_suspend(struct snd_card *card, pm_message_t state)
int snd_pdacf_suspend(struct snd_pdacf *chip, pm_message_t state)
{
struct snd_pdacf *chip = card->pm_private_data;
u16 val;
snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
/* disable interrupts, but use direct write to preserve old register value in chip->regmap */
val = inw(chip->port + PDAUDIOCF_REG_IER);
@ -275,9 +275,8 @@ static inline int check_signal(struct snd_pdacf *chip)
return (chip->ak4117->rcs0 & AK4117_UNLCK) == 0;
}
int snd_pdacf_resume(struct snd_card *card)
int snd_pdacf_resume(struct snd_pdacf *chip)
{
struct snd_pdacf *chip = card->pm_private_data;
int timeout = 40;
pdacf_reinit(chip, 1);
@ -286,6 +285,7 @@ int snd_pdacf_resume(struct snd_card *card)
(snd_ak4117_external_rate(chip->ak4117) <= 0 || !check_signal(chip)))
mdelay(1);
chip->chip_status &= ~PDAUDIOCF_STAT_IS_SUSPENDED;
snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif