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Driver core: convert sound core to use struct device

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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.

It also makes the struct sound_card to show up as a "real" device
where all the different sound class devices are placed as childs
and different card attribute files can hang off of. /sys/class/sound is
still a flat directory, but the symlink targets of all devices belonging
to the same card, point the the /sys/devices tree below the new card
device object.

Thanks to Kay for the updates to this patch.

Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Acked-by: Jaroslav Kysela <perex@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2006-08-07 22:19:37 -07:00
parent ebf644c462
commit d80f19fab8
6 changed files with 37 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

6
sound/sound_core.c
View file

@ -170,8 +170,8 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati
else
sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP);
class_device_create(sound_class, NULL, MKDEV(SOUND_MAJOR, s->unit_minor),
dev, s->name+6);
device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor),
s->name+6);
return r;
fail:
@ -193,7 +193,7 @@ static void sound_remove_unit(struct sound_unit **list, int unit)
p = __sound_remove_unit(list, unit);
spin_unlock(&sound_loader_lock);
if (p) {
class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor));
device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor));
kfree(p);
}
}