diff options
Diffstat (limited to 'sound/oss/ac97_codec.c')
-rw-r--r-- | sound/oss/ac97_codec.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c index 972327c97644..602db497929a 100644 --- a/sound/oss/ac97_codec.c +++ b/sound/oss/ac97_codec.c @@ -1399,95 +1399,6 @@ 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; |