[ALSA] alsa core: add struct device pointer to struct snd_pcm

This patch adds a struct device pointer to struct snd_pcm in order to be
able to give it a different device than the card. It defaults to the card's
device, however, so it should behave identically for drivers not touching
the field.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 2f645dfd7f70..016c41893b06 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -427,6 +427,7 @@ struct snd_pcm {
         wait_queue_head_t open_wait;
         void *private_data;
         void (*private_free) (struct snd_pcm *pcm);
+        struct device *dev; /* actual hw device this belongs to */
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
         struct snd_pcm_oss oss;
 #endif