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| author | Takashi Iwai <tiwai@suse.de> | 2009-11-10 16:02:29 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-11-10 16:02:29 +0100 |
| commit | fb8d1a344dbe963f16249d07eee8415e93f9f3c2 (patch) | |
| tree | 710c945e207bbb3aa2998a4ce861dd302cb7d080 /sound | |
| parent | 167eae5a17b3cd44a324dbb972c338e489413f54 (diff) | |
| download | kernel_samsung_tuna-fb8d1a344dbe963f16249d07eee8415e93f9f3c2.zip kernel_samsung_tuna-fb8d1a344dbe963f16249d07eee8415e93f9f3c2.tar.gz kernel_samsung_tuna-fb8d1a344dbe963f16249d07eee8415e93f9f3c2.tar.bz2 | |
ALSA: hda - Add reboot notifier to each codec
Add reboot notifier to each codec so that it can do some workarounds
needed for reboot.
So far, patch_sigmatel.c calls its shutup routine for avoiding noises
at reboot on some HP machines.
References: Novell bnc#544779
http://bugzilla.novell.com/show_bug.cgi?id=544779
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 17 | ||||
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 2 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 1 | ||||
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 1 |
4 files changed, 21 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 2c13663..146f95b 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3404,6 +3404,23 @@ static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) } } +/* call each reboot notifier */ +void snd_hda_bus_reboot_notify(struct hda_bus *bus) +{ + struct hda_codec *codec; + + if (!bus) + return; + list_for_each_entry(codec, &bus->codec_list, list) { +#ifdef CONFIG_SND_HDA_POWER_SAVE + if (!codec->power_on) + continue; +#endif + if (codec->patch_ops.reboot_notify) + codec->patch_ops.reboot_notify(codec); + } +} + /* * open the digital out in the exclusive mode */ diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 99552fb..6240608 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -674,6 +674,7 @@ struct hda_codec_ops { #ifdef CONFIG_SND_HDA_POWER_SAVE int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); #endif + void (*reboot_notify)(struct hda_codec *codec); }; /* record for amp information cache */ @@ -910,6 +911,7 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, * Misc */ void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); +void snd_hda_bus_reboot_notify(struct hda_bus *bus); /* * power management diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 55c7da3..0d3e0c9 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2150,6 +2150,7 @@ static int azx_resume(struct pci_dev *pci) static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf) { struct azx *chip = container_of(nb, struct azx, reboot_notifier); + snd_hda_bus_reboot_notify(chip->bus); azx_stop_chip(chip); return NOTIFY_OK; } diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 3087705..9c33700 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -4831,6 +4831,7 @@ static struct hda_codec_ops stac92xx_patch_ops = { .suspend = stac92xx_suspend, .resume = stac92xx_resume, #endif + .reboot_notify = stac92xx_shutup, }; static int patch_stac9200(struct hda_codec *codec) |