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[ALSA] Decentralize PM control

Browse source 
Modules: ALSA Core,Control Midlevel,/oss/Makefile

Remove the centralized PM control in the sound core.
Each driver is responsible to get callbacks from bus/driver now.

SND_GENERIC_DRIVER is removed together with this action.

Signed-off-by: Takashi Iwai <[email protected]>
This commit is contained in:
Takashi Iwai 2005-11-17 15:55:49 +01:00 • committed by Jaroslav Kysela
commit a381a7a664
5 changed files with 3 additions and 300 deletions
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28
include/sound/core.h
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@ -134,14 +134,8 @@ struct snd_card {
wait_queue_head_t shutdown_sleep;
struct work_struct free_workq; /* for free in workqueue */
struct device *dev;
#ifdef CONFIG_SND_GENERIC_DRIVER
struct snd_generic_device *generic_dev;
#endif
#ifdef CONFIG_PM
int (*pm_suspend)(struct snd_card *card, pm_message_t state);
int (*pm_resume)(struct snd_card *card);
void *pm_private_data;
unsigned int power_state; /* power state */
struct semaphore power_lock; /* power lock */
wait_queue_head_t power_sleep;
@ -178,22 +172,6 @@ static inline void snd_power_change_state(struct snd_card *card, unsigned int st
/* init.c */
int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file);
int snd_card_set_pm_callback(struct snd_card *card,
int (*suspend)(struct snd_card *, pm_message_t),
int (*resume)(struct snd_card *),
void *private_data);
int snd_card_set_generic_pm_callback(struct snd_card *card,
int (*suspend)(struct snd_card *, pm_message_t),
int (*resume)(struct snd_card *),
void *private_data);
#define snd_card_set_isa_pm_callback(card,suspend,resume,data) \
snd_card_set_generic_pm_callback(card, suspend, resume, data)
struct pci_dev;
int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state);
int snd_card_pci_resume(struct pci_dev *dev);
#define SND_PCI_PM_CALLBACKS \
.suspend = snd_card_pci_suspend, .resume = snd_card_pci_resume
#else /* ! CONFIG_PM */
#define snd_power_lock(card) do { (void)(card); } while (0)
@ -201,10 +179,6 @@ int snd_card_pci_resume(struct pci_dev *dev);
static inline int snd_power_wait(struct snd_card *card, unsigned int state, struct file *file) { return 0; }
#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
#define snd_power_change_state(card, state) do { (void)(card); } while (0)
#define snd_card_set_pm_callback(card,suspend,resume,data)
#define snd_card_set_generic_pm_callback(card,suspend,resume,data)
#define snd_card_set_isa_pm_callback(card,suspend,resume,data)
#define SND_PCI_PM_CALLBACKS
#endif /* CONFIG_PM */
@ -280,8 +254,6 @@ int snd_card_file_remove(struct snd_card *card, struct file *file);
#ifndef snd_card_set_dev
#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
#endif
/* register a generic device (for ISA, etc) */
int snd_card_set_generic_dev(struct snd_card *card);
/* device.c */