From: Wan ZongShun <mcuos.com@gmail.com>
Date: Wed, 2 Jun 2010 06:02:33 +0000 (+0800)
Subject: ASoC: nuc900: fix a wait loop bug
X-Git-Tag: v2.6.36-rc1~493^2~1^2~84^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8dfb0c78157e14387f49fa7ab425e65a93b2fee2;p=pandora-kernel.git

ASoC: nuc900: fix a wait loop bug

The current implement meant ACTL_ACCON was only accessed once when read or write
proceeding, which is not right, if so,we have to wait the 'timeout=0x10000' to end
every times.

We need to polling the bit AC_R_FINISH and AC_W_FINISH of ACTL_ACCON
register to identify whether read or write is finished or not,so I make
the patch to fix the issue.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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