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ALSA: snd-ad1816a: Implement suspend/resume

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Implement suspend/resume support for AD1816 chips.
Tested with Terratec SoundSystem Base-1.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ondrej Zary
2012-08-19 23:27:26 +02:00
committed by Takashi Iwai
parent c86b6b452a
commit 6f0fa66051
3 changed files with 59 additions and 2 deletions
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26
sound/isa/ad1816a/ad1816a.c
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@@ -244,13 +244,37 @@ static void __devexit snd_ad1816a_pnp_remove(struct pnp_card_link * pcard)
pnp_set_card_drvdata(pcard, NULL);
}
#ifdef CONFIG_PM
static int snd_ad1816a_pnp_suspend(struct pnp_card_link *pcard,
pm_message_t state)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_ad1816a_suspend(card->private_data);
return 0;
}
static int snd_ad1816a_pnp_resume(struct pnp_card_link *pcard)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
snd_ad1816a_resume(card->private_data);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif
static struct pnp_card_driver ad1816a_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = "ad1816a",
.id_table = snd_ad1816a_pnpids,
.probe = snd_ad1816a_pnp_detect,
.remove = __devexit_p(snd_ad1816a_pnp_remove),
/* FIXME: suspend/resume */
#ifdef CONFIG_PM
.suspend = snd_ad1816a_pnp_suspend,
.resume = snd_ad1816a_pnp_resume,
#endif
};
static int __init alsa_card_ad1816a_init(void)