From bf0ff87bef59fbc60b259b8843ae7fbed2cc44bd Mon Sep 17 00:00:00 2001
From: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Date: Mon, 3 Dec 2012 14:55:49 +0100
Subject: [PATCH] ALSA: hdspm - Implement generic function to toggle settings

The driver contains at least six similar functions that change only a
single bit in the control register, only the bit position varies.

This patch implements a generic function to toggle a certain bit
position that will be used to replace the old code.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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