From 1b5d0160e8f17db0714016a2550d3b1d65c70c3e Mon Sep 17 00:00:00 2001
From: Bard Liao <bardliao@realtek.com>
Date: Fri, 27 Mar 2015 20:19:08 +0800
Subject: [PATCH] ASoC: rt5645: Use update_bits for bit control

In codec bias level off, we need to disable gate mode with MCLK
for power saving. It is set by one bit. We don't need to write
while register for that.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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