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[ALSA] hda-codec - Prepare unsol workqueue on demand

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Modules: HDA Codec driver

Prepare unsol workqueue only when a codec really supports.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 11:07:49 +01:00 committed by Jaroslav Kysela
parent d2a6d7dc75
commit 9f146bb6e6
1 changed files with 6 additions and 2 deletions
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8
sound/pci/hda/hda_codec.c
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@ -288,6 +288,9 @@ static int init_unsol_queue(struct hda_bus *bus)
{
struct hda_bus_unsolicited *unsol;
if (bus->unsol) /* already initialized */
return 0;
unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
if (! unsol) {
snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
@ -373,8 +376,6 @@ int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
init_MUTEX(&bus->cmd_mutex);
INIT_LIST_HEAD(&bus->codec_list);
init_unsol_queue(bus);
if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
snd_hda_bus_free(bus);
return err;
@ -540,6 +541,9 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
return err;
}
if (codec->patch_ops.unsol_event)
init_unsol_queue(bus);
snd_hda_codec_proc_new(codec);
sprintf(component, "HDA:%08x", codec->vendor_id);