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[ALSA] Nest sound devices

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Modules: ALSA Core

Make the control device parent of all other ALSA devices of a card.

Signed-off-by: Clemens Ladisch <[email protected]>
This commit is contained in:
Clemens Ladisch 2005-12-07 09:11:05 +01:00 • committed by Jaroslav Kysela
commit 416c1079d3
3 changed files with 11 additions and 3 deletions
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1
include/sound/core.h
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@ -134,6 +134,7 @@ struct snd_card {
wait_queue_head_t shutdown_sleep;
struct work_struct free_workq; /* for free in workqueue */
struct device *dev;
struct class_device *parent_device;
#ifdef CONFIG_PM
unsigned int power_state; /* power state */