From d81f1906f08bb6d3aa45a0403adc1d36754c13cc Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 1 Nov 2018 15:47:42 +0100
Subject: [PATCH] ASoC: intel: cht_bsw_max98090_ti: Sleep a bit after enabling
 the mclk

Sleep a bit after enabling the mclk to give the PLL some time to lock,
this fixes the log showing a whole bunch of:

kernel: max98090 i2c-193C9890:00: PLL unlocked

errors.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 sound/soc/intel/boards/cht_bsw_max98090_ti.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 9d9f6e41d81c..f3bc0bfdfe08 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -19,6 +19,7 @@
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
+#include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
@@ -66,6 +67,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
 				"could not configure MCLK state");
 			return ret;
 		}
+		usleep_range(5000, 10000);
 	} else {
 		clk_disable_unprepare(ctx->mclk);
 	}
-- 
2.19.0