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| author | Takashi Iwai <tiwai@suse.de> | 2009-03-13 09:02:42 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-13 09:06:31 +0100 |
| commit | bb6ac72fb19c6676eb8bafa8e3b8bf970a2294a2 (patch) | |
| tree | 6cf263c2c3172bd1371ffbb0fcd0da14345aa5d4 | |
| parent | 307282c8990c5658604b9fda8a64a9a07079b850 (diff) | |
| download | kernel_samsung_smdk4412-bb6ac72fb19c6676eb8bafa8e3b8bf970a2294a2.zip kernel_samsung_smdk4412-bb6ac72fb19c6676eb8bafa8e3b8bf970a2294a2.tar.gz kernel_samsung_smdk4412-bb6ac72fb19c6676eb8bafa8e3b8bf970a2294a2.tar.bz2 | |
ALSA: hda - power up before codec initialization
Change the power state of each widget before starting the initialization
work so that all verbs are executed properly.
Also, keep power-up during hwdep reconfiguration.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 15 | ||||
| -rw-r--r-- | sound/pci/hda/hda_hwdep.c | 14 |
2 files changed, 17 insertions, 12 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 1885e76..cf63394 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -842,6 +842,9 @@ static void snd_hda_codec_free(struct hda_codec *codec) kfree(codec); } +static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, + unsigned int power_state); + /** * snd_hda_codec_new - create a HDA codec * @bus: the bus to assign @@ -941,6 +944,11 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr if (bus->modelname) codec->modelname = kstrdup(bus->modelname, GFP_KERNEL); + /* power-up all before initialization */ + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D0); + if (do_init) { err = snd_hda_codec_configure(codec); if (err < 0) @@ -2413,19 +2421,12 @@ EXPORT_SYMBOL_HDA(snd_hda_build_controls); int snd_hda_codec_build_controls(struct hda_codec *codec) { int err = 0; - /* fake as if already powered-on */ - hda_keep_power_on(codec); - /* then fire up */ - hda_set_power_state(codec, - codec->afg ? codec->afg : codec->mfg, - AC_PWRST_D0); hda_exec_init_verbs(codec); /* continue to initialize... */ if (codec->patch_ops.init) err = codec->patch_ops.init(codec); if (!err && codec->patch_ops.build_controls) err = codec->patch_ops.build_controls(codec); - snd_hda_power_down(codec); if (err < 0) return err; return 0; diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 1e3ccc7..1c57505 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -176,25 +176,29 @@ static int reconfig_codec(struct hda_codec *codec) { int err; + snd_hda_power_up(codec); snd_printk(KERN_INFO "hda-codec: reconfiguring\n"); err = snd_hda_codec_reset(codec); if (err < 0) { snd_printk(KERN_ERR "The codec is being used, can't reconfigure.\n"); - return err; + goto error; } err = snd_hda_codec_configure(codec); if (err < 0) - return err; + goto error; /* rebuild PCMs */ err = snd_hda_codec_build_pcms(codec); if (err < 0) - return err; + goto error; /* rebuild mixers */ err = snd_hda_codec_build_controls(codec); if (err < 0) - return err; - return snd_card_register(codec->bus->card); + goto error; + err = snd_card_register(codec->bus->card); + error: + snd_hda_power_down(codec); + return err; } /* |