tree 4c76b1d76cbb9dac76662a92b172a22e3a6b04f3
parent 8866f405efd4171f9d9c91901d2dd02f01bacb60
author Takashi Iwai <tiwai@suse.de> 1329406687 +0100
committer Takashi Iwai <tiwai@suse.de> 1329406754 +0100

ALSA: hda/realtek - Fix overflow of vol/sw check bitmap

The bitmap introduced in the commit [527e4d73: ALSA: hda/realtek - Fix
missing volume controls with ALC260] is too narrow for some codecs,
which may have more NIDs than 0x20, thus it may overflow the bitmap
array on them.

Just double the number to cover all and also add a sanity-check code
to be safer.

Cc: <stable@kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>