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7d2aae1e88
The recent change for a new sysfs tree with card* object breaks the /sys/class/sound tree if CONFIG_SYSFS_DEPRECATED is enabled. The device in each entry doesn't point the correct device object: /sys/class/sound ... |-- pcmC0D0c | |-- dev | |-- device -> ../../../class/sound/card0 | |-- pcm_class | |-- power | | `-- wakeup | |-- subsystem -> ../../../class/sound | `-- uevent Also, this change breaks some drivers (like sound/arm/*) referring card->dev directly to obtain the device object for memory handling. This patch reverts the semantics of card->dev to the former version, which points to a real device object. The card* object is stored in a new card->card_dev field, instead. The device parent is chosen either card->dev or card->card_dev according to CONFIG_SYSFS_DEPRECATED to keep the tree compatibility. Also, card* isn't created if CONFIG_SYSFS_DEPRECATED is enabled. The reason of card* object is a root of all beloing devices, and it makes little sense if each sound device points to the real device object directly. Signed-off-by: Takashi Iwai <tiwai@suse.de> Acked-by: Monty Montgomery <xiphmont@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
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.. | ||
oss | ||
seq | ||
control_compat.c | ||
control.c | ||
device.c | ||
hwdep_compat.c | ||
hwdep.c | ||
info_oss.c | ||
info.c | ||
init.c | ||
isadma.c | ||
Kconfig | ||
Makefile | ||
memalloc.c | ||
memory.c | ||
misc.c | ||
pcm_compat.c | ||
pcm_lib.c | ||
pcm_memory.c | ||
pcm_misc.c | ||
pcm_native.c | ||
pcm_timer.c | ||
pcm.c | ||
rawmidi_compat.c | ||
rawmidi.c | ||
rtctimer.c | ||
sgbuf.c | ||
sound_oss.c | ||
sound.c | ||
timer_compat.c | ||
timer.c |