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[ALSA] Introduce snd_card_set_generic_dev()

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ALSA Core
A new function snd_card_set_generic_dev() is introduced to add the
'generic device' support for devices without proper bus on sysfs.
It's a last resort, and should be removed in future when they have
a proper bus, instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-09-05 17:15:37 +02:00 • committed by Jaroslav Kysela
commit ecbcfe36fa
4 changed files with 121 additions and 89 deletions
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8
include/sound/core.h
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@ -168,6 +168,9 @@ 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)(snd_card_t *card, pm_message_t state);
@ -176,9 +179,6 @@ struct _snd_card {
unsigned int power_state; /* power state */
struct semaphore power_lock; /* power lock */
wait_queue_head_t power_sleep;
#ifdef CONFIG_SND_GENERIC_PM
struct snd_generic_device *pm_dev; /* for ISA */
#endif
#endif
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
@ -348,6 +348,8 @@ int snd_card_file_remove(snd_card_t *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(snd_card_t *card);
/* device.c */