X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fisa%2Fazt2320.c;h=15e59283aac6784771490d5fd53d212485124e4d;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=bb41c6ec2f43a8094de28d09830a382181e0b949;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c
index bb41c6ec2..15e59283a 100644
--- a/sound/isa/azt2320.c
+++ b/sound/isa/azt2320.c
@@ -93,6 +93,7 @@ struct snd_card_azt2320 {
 	int dev_no;
 	struct pnp_dev *dev;
 	struct pnp_dev *devmpu;
+	struct snd_cs4231 *chip;
 };
 
 static struct pnp_card_device_id snd_azt2320_pnpids[] = {
@@ -227,10 +228,10 @@ static int __devinit snd_card_azt2320_probe(int dev,
 					    const struct pnp_card_device_id *pid)
 {
 	int error;
-	snd_card_t *card;
+	struct snd_card *card;
 	struct snd_card_azt2320 *acard;
-	cs4231_t *chip;
-	opl3_t *opl3;
+	struct snd_cs4231 *chip;
+	struct snd_opl3 *opl3;
 
 	if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
 				 sizeof(struct snd_card_azt2320))) == NULL)
@@ -309,6 +310,8 @@ static int __devinit snd_card_azt2320_probe(int dev,
 	return 0;
 }
 
+static unsigned int __devinitdata azt2320_devices;
+
 static int __devinit snd_azt2320_pnp_detect(struct pnp_card_link *card,
 					    const struct pnp_card_device_id *id)
 {
@@ -322,6 +325,7 @@ static int __devinit snd_azt2320_pnp_detect(struct pnp_card_link *card,
 		if (res < 0)
 			return res;
 		dev++;
+		azt2320_devices++;
 		return 0;
 	}
         return -ENODEV;
@@ -329,32 +333,62 @@ static int __devinit snd_azt2320_pnp_detect(struct pnp_card_link *card,
 
 static void __devexit snd_azt2320_pnp_remove(struct pnp_card_link * pcard)
 {
-	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
+	snd_card_free(pnp_get_card_drvdata(pcard));
+	pnp_set_card_drvdata(pcard, NULL);
+}
+
+#ifdef CONFIG_PM
+static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
+{
+	struct snd_card *card = pnp_get_card_drvdata(pcard);
+	struct snd_card_azt2320 *acard = card->private_data;
+	struct snd_cs4231 *chip = acard->chip;
 
-	snd_card_disconnect(card);
-	snd_card_free_in_thread(card);
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	chip->suspend(chip);
+	return 0;
 }
 
+static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard)
+{
+	struct snd_card *card = pnp_get_card_drvdata(pcard);
+	struct snd_card_azt2320 *acard = card->private_data;
+	struct snd_cs4231 *chip = acard->chip;
+
+	chip->resume(chip);
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif
+
 static struct pnp_card_driver azt2320_pnpc_driver = {
 	.flags          = PNP_DRIVER_RES_DISABLE,
 	.name           = "azt2320",
 	.id_table       = snd_azt2320_pnpids,
 	.probe          = snd_azt2320_pnp_detect,
 	.remove         = __devexit_p(snd_azt2320_pnp_remove),
+#ifdef CONFIG_PM
+	.suspend	= snd_azt2320_pnp_suspend,
+	.resume		= snd_azt2320_pnp_resume,
+#endif
 };
 
 static int __init alsa_card_azt2320_init(void)
 {
-	int cards = 0;
+	int err;
 
-	cards += pnp_register_card_driver(&azt2320_pnpc_driver);
-#ifdef MODULE
-	if (!cards) {
+	err = pnp_register_card_driver(&azt2320_pnpc_driver);
+	if (err)
+		return err;
+
+	if (!azt2320_devices) {
 		pnp_unregister_card_driver(&azt2320_pnpc_driver);
+#ifdef MODULE
 		snd_printk(KERN_ERR "no AZT2320 based soundcards found\n");
-	}
 #endif
-	return cards ? 0 : -ENODEV;
+		return -ENODEV;
+	}
+	return 0;
 }
 
 static void __exit alsa_card_azt2320_exit(void)