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authorDaniel Mack <zonque@gmail.com>2011-08-04 15:56:28 +0200
committerTakashi Iwai <tiwai@suse.de>2011-08-04 16:24:10 +0200
commit1faa5d07a93fc5b0a4a5254fc940a79e20b55540 (patch)
tree4b80fc6a93f5a626d5c45e4163a26f97c0a20171 /sound/usb/mixer.h
parentALSA: snd-usb: avoid dividing by zero on invalid input (diff)
downloadlinux-1faa5d07a93fc5b0a4a5254fc940a79e20b55540.tar.xz
linux-1faa5d07a93fc5b0a4a5254fc940a79e20b55540.zip
ALSA: snd-usb: operate on given mixer interface only
When creating the mixers for an USB audio device, the current code looks at the host interface stored in mixer->chip->ctrl_if. Change this and rather keep a local pointer to the interface that was given when snd_usb_create_mixer() was called. Signed-off-by: Daniel Mack <zonque@gmail.com> Reported-by: Nicolai Krakowiak <nicolai.krakowiak@gmail.com> Reported-by: Lean-Yves LENHOF <jean-yves@lenhof.eu.org> Acked-by: Clemens Ladisch <clemens@ladisch.de> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.h')
-rw-r--r--sound/usb/mixer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index ae1a14dcfe82..81b2d8a32fb0 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -3,6 +3,7 @@
struct usb_mixer_interface {
struct snd_usb_audio *chip;
+ struct usb_host_interface *hostif;
struct list_head list;
unsigned int ignore_ctl_error;
struct urb *urb;