[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>

1 files changed, 6 insertions, 73 deletions

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 222765fd0dc5..4f0a4204516d 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 @@ static int snd_pmac_free(struct snd_pmac *chip)
         }
 
         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 @@ int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return)
         /* 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 @@ int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return)
  * 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 @@ static int snd_pmac_suspend(struct snd_card *card, pm_message_t state)
         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 @@ static int snd_pmac_resume(struct snd_card *card)
         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 */