From: Zidan Wang <zidan.wang@freescale.com>
Date: Mon, 11 May 2015 10:24:41 +0000 (+0800)
Subject: ASoC: fsl_sai: add sai master mode support
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~142^2~38^2~7^3~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3ecef21c3f26bf4737fc0887964127accfa8a0e;p=pandora-kernel.git

ASoC: fsl_sai: add sai master mode support

When sai works on master mode, set its bit clock and frame clock.

SAI has 4 MCLK source, bus clock, MCLK1, MCLK2 and MCLK3. fsl_sai_set_bclk
will select proper MCLK source, then calculate and set the bit clock divider.

After fsl_sai_set_bclk, enable the selected mclk in hw_params(), and add
hw_free() to disable the mclk.

Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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