diff options
author | Takashi Iwai <tiwai@suse.de> | 2014-06-26 17:24:45 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2014-06-26 18:00:01 +0200 |
commit | 703c759f38cce7950ab460552236ca1d15adb916 (patch) | |
tree | b451c198836b0a7daff82d2e564017d17e3cd32c /sound/pci/hda | |
parent | 9a34af4a33270acbd60a85f819553463866aecbb (diff) | |
download | op-kernel-dev-703c759f38cce7950ab460552236ca1d15adb916.zip op-kernel-dev-703c759f38cce7950ab460552236ca1d15adb916.tar.gz |
ALSA: hda - Use common reboot notifier
The very same notifier code is used in both hda_intel.c and
hda_tegra.c. Move it to the generic code.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
-rw-r--r-- | sound/pci/hda/hda_controller.c | 26 | ||||
-rw-r--r-- | sound/pci/hda/hda_controller.h | 3 | ||||
-rw-r--r-- | sound/pci/hda/hda_intel.c | 24 | ||||
-rw-r--r-- | sound/pci/hda/hda_tegra.c | 29 |
4 files changed, 31 insertions, 51 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index a562d86..8d9398a 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -27,6 +27,7 @@ #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/slab.h> +#include <linux/reboot.h> #include <sound/core.h> #include <sound/initval.h> #include "hda_priv.h" @@ -1946,5 +1947,30 @@ int azx_init_stream(struct azx *chip) } EXPORT_SYMBOL_GPL(azx_init_stream); +/* + * 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); + snd_hda_bus_reboot_notify(chip->bus); + azx_stop_chip(chip); + return NOTIFY_OK; +} + +void azx_notifier_register(struct azx *chip) +{ + chip->reboot_notifier.notifier_call = azx_halt; + register_reboot_notifier(&chip->reboot_notifier); +} +EXPORT_SYMBOL_GPL(azx_notifier_register); + +void azx_notifier_unregister(struct azx *chip) +{ + if (chip->reboot_notifier.notifier_call) + unregister_reboot_notifier(&chip->reboot_notifier); +} +EXPORT_SYMBOL_GPL(azx_notifier_unregister); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Common HDA driver funcitons"); diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h index 91f0495..c90d10f 100644 --- a/sound/pci/hda/hda_controller.h +++ b/sound/pci/hda/hda_controller.h @@ -50,4 +50,7 @@ int azx_codec_configure(struct azx *chip); int azx_mixer_create(struct azx *chip); int azx_init_stream(struct azx *chip); +void azx_notifier_register(struct azx *chip); +void azx_notifier_unregister(struct azx *chip); + #endif /* __SOUND_HDA_CONTROLLER_H */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index bbb446a..1e971e2 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -44,7 +44,6 @@ #include <linux/slab.h> #include <linux/pci.h> #include <linux/mutex.h> -#include <linux/reboot.h> #include <linux/io.h> #include <linux/pm_runtime.h> #include <linux/clocksource.h> @@ -952,29 +951,6 @@ static const struct dev_pm_ops azx_pm = { #endif /* CONFIG_PM */ -/* - * 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); - snd_hda_bus_reboot_notify(chip->bus); - 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); -} - static int azx_probe_continue(struct azx *chip); #ifdef SUPPORT_VGA_SWITCHEROO diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 12920b9..cf69daf 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -29,7 +29,6 @@ #include <linux/moduleparam.h> #include <linux/mutex.h> #include <linux/of_device.h> -#include <linux/reboot.h> #include <linux/slab.h> #include <linux/time.h> @@ -295,30 +294,6 @@ static const struct dev_pm_ops hda_tegra_pm = { }; /* - * reboot notifier for hang-up problem at power-down - */ -static int hda_tegra_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; -} - -static void hda_tegra_notifier_register(struct azx *chip) -{ - chip->reboot_notifier.notifier_call = hda_tegra_halt; - register_reboot_notifier(&chip->reboot_notifier); -} - -static void hda_tegra_notifier_unregister(struct azx *chip) -{ - if (chip->reboot_notifier.notifier_call) - unregister_reboot_notifier(&chip->reboot_notifier); -} - -/* * destructor */ static int hda_tegra_dev_free(struct snd_device *device) @@ -326,7 +301,7 @@ static int hda_tegra_dev_free(struct snd_device *device) int i; struct azx *chip = device->device_data; - hda_tegra_notifier_unregister(chip); + azx_notifier_unregister(chip); if (chip->initialized) { for (i = 0; i < chip->num_streams; i++) @@ -557,7 +532,7 @@ static int hda_tegra_probe(struct platform_device *pdev) chip->running = 1; power_down_all_codecs(chip); - hda_tegra_notifier_register(chip); + azx_notifier_register(chip); return 0; |