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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 18:44:35 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 18:44:35 (GMT) |
| commit | 4ac08d36aa9c556556c7b150caee263c6d542645 (patch) | |
| tree | 52fb22d3230665237109d5e886609199c0e6f22c /sound/pci/hda/hda_intel.c | |
| parent | 0b54968f667585aa4b98a7225f4d4df63917703c (diff) | |
| parent | 71c21b4cf62177a9d1ea46ff4c6073c907122226 (diff) | |
| download | linux-fsl-qoriq-4ac08d36aa9c556556c7b150caee263c6d542645.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ASoC: Fix WM9713 ALC Decay Time name
ALSA: ASoC: Fix some minor errors in mpc5200 psc i2s driver
ALSA: ASoC: Fix mono controls after conversion to support full int masks
ALSA: sound/ice1712: indentation & braces disagree - add braces
ALSA: usb - Add quirk for Edirol UA-25EX advanced modes
sound: struct device - replace bus_id with dev_name(), dev_set_name()
ALSA: hda - Add reboot notifier
ALSA: Warn when control names are truncated
ALSA: intel8x0 - add Dell Optiplex GX620 (AD1981B) to AC97 clock whitelist
ALSA: hda - Fix SPDIF mute on IDT/STAC codecs
ALSA: hda: Add HDA vendor ID for Wolfson Microelectronics
ALSA: hda - Add another HP model for AD1884A
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f080f8c..35722ec 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -45,6 +45,7 @@ #include <linux/slab.h> #include <linux/pci.h> #include <linux/mutex.h> +#include <linux/reboot.h> #include <sound/core.h> #include <sound/initval.h> #include "hda_codec.h" @@ -397,6 +398,9 @@ struct azx { /* for pending irqs */ struct work_struct irq_pending_work; + + /* reboot notifier (for mysterious hangup problem at power-down) */ + struct notifier_block reboot_notifier; }; /* driver types */ @@ -1979,12 +1983,36 @@ static int azx_resume(struct pci_dev *pci) /* + * reboot notifier for hang-up problem at power-down + */ +static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf) +{ + struct azx *chip = container_of(nb, struct azx, reboot_notifier); + azx_stop_chip(chip); + return NOTIFY_OK; +} + +static void azx_notifier_register(struct azx *chip) +{ + chip->reboot_notifier.notifier_call = azx_halt; + register_reboot_notifier(&chip->reboot_notifier); +} + +static void azx_notifier_unregister(struct azx *chip) +{ + if (chip->reboot_notifier.notifier_call) + unregister_reboot_notifier(&chip->reboot_notifier); +} + +/* * destructor */ static int azx_free(struct azx *chip) { int i; + azx_notifier_unregister(chip); + if (chip->initialized) { azx_clear_irq_pending(chip); for (i = 0; i < chip->num_streams; i++) @@ -2348,6 +2376,7 @@ static int __devinit azx_probe(struct pci_dev *pci, pci_set_drvdata(pci, card); chip->running = 1; power_down_all_codecs(chip); + azx_notifier_register(chip); dev++; return err; |