X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Foss%2Fac97_codec.c;h=fef56cac06c832650db596299af04185dc9919dc;hb=9121106a7f149f9702ed7c2ac0d86e9feb54ede8;hp=972327c97644f29bd37c09d0de4639ea3f9fb56f;hpb=e93252faca2eb1a14b44369705be7c79eba2f037;p=linux-2.6-omap-h63xx.git

diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c
index 972327c9764..fef56cac06c 100644
--- a/sound/oss/ac97_codec.c
+++ b/sound/oss/ac97_codec.c
@@ -744,11 +744,10 @@ static int ac97_check_modem(struct ac97_codec *codec)
  
 struct ac97_codec *ac97_alloc_codec(void)
 {
-	struct ac97_codec *codec = kmalloc(sizeof(struct ac97_codec), GFP_KERNEL);
+	struct ac97_codec *codec = kzalloc(sizeof(struct ac97_codec), GFP_KERNEL);
 	if(!codec)
 		return NULL;
 
-	memset(codec, 0, sizeof(*codec));
 	spin_lock_init(&codec->lock);
 	INIT_LIST_HEAD(&codec->list);
 	return codec;
@@ -1399,95 +1398,6 @@ unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate)
 
 EXPORT_SYMBOL(ac97_set_adc_rate);
 
-int ac97_save_state(struct ac97_codec *codec)
-{
-	return 0;	
-}
-
-EXPORT_SYMBOL(ac97_save_state);
-
-int ac97_restore_state(struct ac97_codec *codec)
-{
-	int i;
-	unsigned int left, right, val;
-
-	for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
-		if (!supported_mixer(codec, i)) 
-			continue;
-
-		val = codec->mixer_state[i];
-		right = val >> 8;
-		left = val  & 0xff;
-		codec->write_mixer(codec, i, left, right);
-	}
-	return 0;
-}
-
-EXPORT_SYMBOL(ac97_restore_state);
-
-/**
- *	ac97_register_driver	-	register a codec helper
- *	@driver: Driver handler
- *
- *	Register a handler for codecs matching the codec id. The handler
- *	attach function is called for all present codecs and will be 
- *	called when new codecs are discovered.
- */
- 
-int ac97_register_driver(struct ac97_driver *driver)
-{
-	struct list_head *l;
-	struct ac97_codec *c;
-	
-	mutex_lock(&codec_mutex);
-	INIT_LIST_HEAD(&driver->list);
-	list_add(&driver->list, &codec_drivers);
-	
-	list_for_each(l, &codecs)
-	{
-		c = list_entry(l, struct ac97_codec, list);
-		if(c->driver != NULL || ((c->model ^ driver->codec_id) & driver->codec_mask))
-			continue;
-		if(driver->probe(c, driver))
-			continue;
-		c->driver = driver;
-	}
-	mutex_unlock(&codec_mutex);
-	return 0;
-}
-
-EXPORT_SYMBOL_GPL(ac97_register_driver);
-
-/**
- *	ac97_unregister_driver	-	unregister a codec helper
- *	@driver: Driver handler
- *
- *	Unregister a handler for codecs matching the codec id. The handler
- *	remove function is called for all matching codecs.
- */
- 
-void ac97_unregister_driver(struct ac97_driver *driver)
-{
-	struct list_head *l;
-	struct ac97_codec *c;
-	
-	mutex_lock(&codec_mutex);
-	list_del_init(&driver->list);
-
-	list_for_each(l, &codecs)
-	{
-		c = list_entry(l, struct ac97_codec, list);
-		if (c->driver == driver) {
-			driver->remove(c, driver);
-			c->driver = NULL;
-		}
-	}
-	
-	mutex_unlock(&codec_mutex);
-}
-
-EXPORT_SYMBOL_GPL(ac97_unregister_driver);
-
 static int swap_headphone(int remove_master)
 {
 	struct list_head *l;