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[v4,05/13] ALSA: hdac: Increase timeout value for link power check

Message ID 1450431729-27259-6-git-send-email-vinod.koul@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vinod Koul Dec. 18, 2015, 9:42 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 556267e75591..1a55a781270d 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -246,7 +246,7 @@  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);