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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 11:07:49 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:17:22 +0100 |
| commit | 9f146bb6e68610ab2b62c76e7485900545515613 (patch) | |
| tree | d19bcc56619d52f13ccde73061b0e0832abc37da | |
| parent | [ALSA] hda-codec - Add channel-mode helper (diff) | |
| download | linux-9f146bb6e68610ab2b62c76e7485900545515613.tar.xz linux-9f146bb6e68610ab2b62c76e7485900545515613.zip | |
[ALSA] hda-codec - Prepare unsol workqueue on demand
Modules: HDA Codec driver
Prepare unsol workqueue only when a codec really supports.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 14a6f5463277..cfd50b56187b 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -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); |