ALSA: hda - Don't send invalid volume knob command on IDT 92hd75bxx
authorDavid Henningsson <david.henningsson@canonical.com>
Thu, 16 Aug 2012 12:11:09 +0000 (14:11 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 16 Aug 2012 12:14:56 +0000 (14:14 +0200)
Instead of blindly initializing a volume knob widget, first check
that there actually is a volume knob widget.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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