From 026e73683ad5665a45b01ca1a221fa87e0e8e6fb Mon Sep 17 00:00:00 2001
From: Bard Liao <bardliao@realtek.com>
Date: Mon, 15 Dec 2014 15:42:34 +0800
Subject: [PATCH] ASoC: rt5670: Keep sysclk on if JD func is used

System clock is necessary for rt5670 JD function. We assume system
clock source will be set in machine driver. So there are two things
left we should do in codec driver.
1. Set sysclk to codec internal clock in probe since machine driver
   may not do that before JD function is registered.
2. Power up PLL once sysclk source is switched to PLL.

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