ALSA CVS update - Takashi Iwai <tiwai@suse.de>

SA11xx UDA1341 driver,UDA1341
- clean up PM codes using the new PM callback functions.

include/sound/uda1341.h

@@ -15,7 +15,7 @@
  *                           features support
  */
 
-/* $Id: uda1341.h,v 1.5 2003/04/19 13:34:32 perex Exp $ */
+/* $Id: uda1341.h,v 1.6 2004/05/03 17:36:50 tiwai Exp $ */
 
 #define UDA1341_ALSA_NAME "snd-uda1341"
 

sound/arm/sa11xx-uda1341.c

@@ -21,7 +21,7 @@
  *                              merged HAL layer (patches from Brian)
  */
 
-/* $Id: sa11xx-uda1341.c,v 1.14 2004/04/07 17:48:10 tiwai Exp $ */
+/* $Id: sa11xx-uda1341.c,v 1.15 2004/05/03 17:36:50 tiwai Exp $ */
 
 /***************************************************************************************************
 *
@@ -137,7 +137,6 @@ typedef struct audio_stream {
 }audio_stream_t;
 
 typedef struct snd_card_sa11xx_uda1341 {
-	struct pm_dev *pm_dev;        
 	snd_card_t *card;
 	struct l3_client *uda1341;
 	snd_pcm_t *pcm;
@@ -868,12 +867,10 @@ static int __init snd_card_sa11xx_uda1341_pcm(sa11xx_uda1341_t *sa11xx_uda1341,
 
 #ifdef CONFIG_PM
 
-static void snd_sa11xx_uda1341_suspend(sa11xx_uda1341_t *chip)
+static int snd_sa11xx_uda1341_suspend(snd_card_t *card, unsigned int state)
 {
-	snd_card_t *card = chip->card;
+	sa11xx_uda1341_t *chip = snd_magic_cast(sa11x_uda1341_t, card->pm_private_data, return -EINVAL);
 
-	if (card->power_state == SNDRV_CTL_POWER_D3hot)
-		return;
 	snd_pcm_suspend_all(chip->pcm);
 #ifdef HH_VERSION	
 	sa1100_dma_sleep(chip->s[SNDRV_PCM_STREAM_PLAYBACK].dmach);
@@ -884,14 +881,13 @@ static void snd_sa11xx_uda1341_suspend(sa11xx_uda1341_t *chip)
 	l3_command(chip->uda1341, CMD_SUSPEND, NULL);
 	sa11xx_uda1341_audio_shutdown(chip);
 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	return 0;
 }
 
-static void snd_sa11xx_uda1341_resume(sa11xx_uda1341_t *chip)
+static int snd_sa11xx_uda1341_resume(snd_card_t *card, unsigned int state)
 {
-	snd_card_t *card = chip->card;
+	sa11xx_uda1341_t *chip = snd_magic_cast(sa11x_uda1341_t, card->pm_private_data, return -EINVAL);
 
-	if (card->power_state == SNDRV_CTL_POWER_D0)
-		return;
 	sa11xx_uda1341_audio_init(chip);
 	l3_command(chip->uda1341, CMD_RESUME, NULL);
 #ifdef HH_VERSION	
@@ -901,50 +897,14 @@ static void snd_sa11xx_uda1341_resume(sa11xx_uda1341_t *chip)
 	//FIXME
 #endif
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
-}
-
-static int sa11xx_uda1341_pm_callback(struct pm_dev *pm_dev, pm_request_t req, void *data)
-{
-	sa11xx_uda1341_t *chip = pm_dev->data;
-        
-	switch (req) {
-	case PM_SUSPEND: /* enter D1-D3 */
-		snd_sa11xx_uda1341_suspend(chip);
-		break;
-	case PM_RESUME:  /* enter D0 */
-		snd_sa11xx_uda1341_resume(chip);
-		break;
-	}
 	return 0;
 }
-
-static int sa11xx_uda1341_set_power_state(snd_card_t *card, unsigned int power_state)
-{
-	sa11xx_uda1341_t *chip = snd_magic_cast(sa11xx_uda1341_t, card->power_state_private_data, return);
-
-	switch (power_state) {
-	case SNDRV_CTL_POWER_D0:
-	case SNDRV_CTL_POWER_D1:
-	case SNDRV_CTL_POWER_D2:
-		snd_sa11xx_uda1341_resume(chip);
-		break;
-	case SNDRV_CTL_POWER_D3hot:
-	case SNDRV_CTL_POWER_D3cold:
-		snd_sa11xx_uda1341_suspend(chip);
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
 #endif /* COMFIG_PM */
 
 void snd_sa11xx_uda1341_free(snd_card_t *card)
 {
 	sa11xx_uda1341_t *chip = snd_magic_cast(sa11xx_uda1341_t, card->private_data, return);
 
-	pm_unregister(chip->pm_dev);
 	audio_dma_free(&chip->s[SNDRV_PCM_STREAM_PLAYBACK]);
 	audio_dma_free(&chip->s[SNDRV_PCM_STREAM_CAPTURE]);
 	sa11xx_uda1341 = NULL;
@@ -985,15 +945,10 @@ static int __init sa11xx_uda1341_init(void)
 	if ((err = snd_card_sa11xx_uda1341_pcm(sa11xx_uda1341, 0)) < 0)
 		goto nodev;
         
-       
-#ifdef CONFIG_PM
-	card->power_state_private_data = sa11xx_uda1341;
-	card->set_power_state = sa11xx_uda1341_set_power_state;
-	sa11xx_uda1341->pm_dev = pm_register(PM_SYS_DEV, 0, sa11xx_uda1341_pm_callback);
-	if (sa11xx_uda1341->pm_dev)
-		sa11xx_uda1341->pm_dev->data = sa11xx_uda1341;
-#endif
-        
+	snd_card_set_dev_pm_callback(card, PM_SYS_DEV,
+				     snd_sa11xx_uda1341_suspend, snd_sa11_uda1341_resume,
+				     sa11xx_uda1341);
+
 	strcpy(card->driver, "UDA1341");
 	strcpy(card->shortname, "H3600 UDA1341TS");
 	sprintf(card->longname, "Compaq iPAQ H3600 with Philips UDA1341TS");