commit cf8fe58b1066cea668e030d0ab61e4b8eef8b219
author Jayachandran B <jayachandran.b@intel.com> Fri Dec 18 15:12:01 2015 +0530
committer Mark Brown <broonie@kernel.org> Sun Jan 10 12:02:44 2016 +0000
tree b9f9e66268b3084bfee19addbb1f45b7bd4c31f8
parent 88888155c555487037b894a97a2a4c6a8155cda0

ALSA: hdac: Increase timeout value for link power check

HW recommends 180us for worst case values for link power up
delay, so change the current delay value from 50 (150us) to 150
(450us)

Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/hda/ext/hdac_ext_controller.c

diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index 556267e..1a55a78 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -246,7 +246,7 @@
 	int mask = (1 << AZX_MLCTL_CPA);
 
 	udelay(3);
-	timeout = 50;
+	timeout = 150;
 
 	do {
 		val = readl(link->ml_addr + AZX_REG_ML_LCTL);