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[06/14] ALSA: hdac: Increase timeout value for link power check

Message ID 1449816267-11910-7-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Commit cf8fe58b1066cea668e030d0ab61e4b8eef8b219
Headers show

Commit Message

Vinod Koul Dec. 11, 2015, 6:44 a.m. UTC 
From: Jayachandran B <jayachandran.b@intel.com>

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>
---
 sound/hda/ext/hdac_ext_controller.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index 8f1d292a522c..2524b3baa029 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -247,7 +247,7 @@  static int check_hdac_link_power_active(struct hdac_ext_link *link, bool enable)
 	int mask = (1 << AZX_MLCTL_CPA);
 
 	udelay(3);
-	timeout = 50;
+	timeout = 150;
 
 	do {
 		val = readl(link->ml_addr + AZX_REG_ML_LCTL);