From cd69dc8868d64cfa2993944607d9e97927d95987 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Date: Wed, 1 Oct 2014 15:08:14 +0300
Subject: [PATCH] ASoC: rt5640: Add function for enabling DMIC from ACPI probed
 machine

There is no code enabling DMIC clock in systems that don't provide platform
data for rt5640 after commit 71d97a794301 ("ASoC: rt5640: Use the platform
data for DMIC settings").

I think it's worth to keep this static DMIC clock and alternative data pin
setting during probe time. For making possible to use DMIC from ACPI probed
machine (prior ACPI 5.1 with _DSD) this patch moves DMIC configuration to
new exported rt5640_dmic_enable() that machine drivers can call.

Please note, this patch moves DMIC configuration from i2c probe to codec
probe in case platform data for rt5640 is set.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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