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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-21 10:22:45 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-21 10:22:45 +0200 |
| commit | 14764b01a5576ce23a9d0c95a027049206a19cef (patch) | |
| tree | fa7f4e3b9b62598076baf7d312dd37d6c91b0d56 /sound/pci/hda/hda_codec.c | |
| parent | Merge git://git.linaro.org/nico/arm_security into devel-stable (diff) | |
| parent | [ARM] Kirkwood: add missing machine targets to defconfig (diff) | |
| download | linux-14764b01a5576ce23a9d0c95a027049206a19cef.tar.xz linux-14764b01a5576ce23a9d0c95a027049206a19cef.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/nico/orion into devel-stable
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index a3d638c8c1fd..ba2098d20ccc 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -784,6 +784,9 @@ static int read_pin_defaults(struct hda_codec *codec) pin->nid = nid; pin->cfg = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); + pin->ctrl = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, + 0); } return 0; } @@ -912,15 +915,38 @@ static void restore_pincfgs(struct hda_codec *codec) void snd_hda_shutup_pins(struct hda_codec *codec) { int i; + /* don't shut up pins when unloading the driver; otherwise it breaks + * the default pin setup at the next load of the driver + */ + if (codec->bus->shutdown) + return; for (i = 0; i < codec->init_pins.used; i++) { struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); /* use read here for syncing after issuing each verb */ snd_hda_codec_read(codec, pin->nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0); } + codec->pins_shutup = 1; } EXPORT_SYMBOL_HDA(snd_hda_shutup_pins); +/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */ +static void restore_shutup_pins(struct hda_codec *codec) +{ + int i; + if (!codec->pins_shutup) + return; + if (codec->bus->shutdown) + return; + for (i = 0; i < codec->init_pins.used; i++) { + struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); + snd_hda_codec_write(codec, pin->nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pin->ctrl); + } + codec->pins_shutup = 0; +} + static void init_hda_cache(struct hda_cache_rec *cache, unsigned int record_size); static void free_hda_cache(struct hda_cache_rec *cache); @@ -2907,6 +2933,7 @@ static void hda_call_codec_resume(struct hda_codec *codec) codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); restore_pincfgs(codec); /* restore all current pin configs */ + restore_shutup_pins(codec); hda_exec_init_verbs(codec); if (codec->patch_ops.resume) codec->patch_ops.resume(codec); |