[ALSA] powermac - Use platform_device
Modules: PPC,PPC PMAC driver,PPC PowerMac driver
Rewrite the probe/remove with platform_device.
Move the PM support to platform_device's callbacks.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 222765f..4f0a420 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -36,14 +36,6 @@
#include <asm/pci-bridge.h>
-#ifdef CONFIG_PM
-static int snd_pmac_register_sleep_notifier(struct snd_pmac *chip);
-static int snd_pmac_unregister_sleep_notifier(struct snd_pmac *chip);
-static int snd_pmac_suspend(struct snd_card *card, pm_message_t state);
-static int snd_pmac_resume(struct snd_card *card);
-#endif
-
-
/* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */
static int awacs_freqs[8] = {
44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350
@@ -784,9 +776,6 @@
}
snd_pmac_sound_feature(chip, 0);
-#ifdef CONFIG_PM
- snd_pmac_unregister_sleep_notifier(chip);
-#endif
/* clean up mixer if any */
if (chip->mixer_free)
@@ -1298,12 +1287,6 @@
/* Reset dbdma channels */
snd_pmac_dbdma_reset(chip);
-#ifdef CONFIG_PM
- /* add sleep notifier */
- if (! snd_pmac_register_sleep_notifier(chip))
- snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip);
-#endif
-
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
goto __error;
@@ -1328,11 +1311,11 @@
* Save state when going to sleep, restore it afterwards.
*/
-static int snd_pmac_suspend(struct snd_card *card, pm_message_t state)
+void snd_pmac_suspend(struct snd_pmac *chip)
{
- struct snd_pmac *chip = card->pm_private_data;
unsigned long flags;
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
if (chip->suspend)
chip->suspend(chip);
snd_pcm_suspend_all(chip->pcm);
@@ -1346,22 +1329,18 @@
if (chip->rx_irq >= 0)
disable_irq(chip->rx_irq);
snd_pmac_sound_feature(chip, 0);
- return 0;
}
-static int snd_pmac_resume(struct snd_card *card)
+void snd_pmac_resume(struct snd_pmac *chip)
{
- struct snd_pmac *chip = card->pm_private_data;
-
snd_pmac_sound_feature(chip, 1);
if (chip->resume)
chip->resume(chip);
/* enable CD sound input */
- if (chip->macio_base && chip->is_pbook_G3) {
+ if (chip->macio_base && chip->is_pbook_G3)
out_8(chip->macio_base + 0x37, 3);
- } else if (chip->is_pbook_3400) {
+ else if (chip->is_pbook_3400)
in_8(chip->latch_base + 0x190);
- }
snd_pmac_pcm_set_format(chip);
@@ -1372,53 +1351,7 @@
if (chip->rx_irq >= 0)
enable_irq(chip->rx_irq);
- return 0;
-}
-
-/* the chip is stored statically by snd_pmac_register_sleep_notifier
- * because we can't have any private data for notify callback.
- */
-static struct snd_pmac *sleeping_pmac = NULL;
-
-static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when)
-{
- struct snd_pmac *chip;
-
- chip = sleeping_pmac;
- if (! chip)
- return 0;
-
- switch (when) {
- case PBOOK_SLEEP_NOW:
- snd_pmac_suspend(chip->card, PMSG_SUSPEND);
- break;
- case PBOOK_WAKE:
- snd_pmac_resume(chip->card);
- break;
- }
- return PBOOK_SLEEP_OK;
-}
-
-static struct pmu_sleep_notifier snd_pmac_sleep_notifier = {
- snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND,
-};
-
-static int __init snd_pmac_register_sleep_notifier(struct snd_pmac *chip)
-{
- /* should be protected here.. */
- snd_assert(! sleeping_pmac, return -EBUSY);
- sleeping_pmac = chip;
- pmu_register_sleep_notifier(&snd_pmac_sleep_notifier);
- return 0;
-}
-
-static int snd_pmac_unregister_sleep_notifier(struct snd_pmac *chip)
-{
- /* should be protected here.. */
- snd_assert(sleeping_pmac == chip, return -ENODEV);
- pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier);
- sleeping_pmac = NULL;
- return 0;
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
}
#endif /* CONFIG_PM */