[ALSA] Introduce snd_card_set_generic_dev()

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>

1 files changed, 5 insertions, 3 deletions

diff --git a/include/sound/core.h b/include/sound/core.h
index 3dc41fd5c54..26160adcdff 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -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 */