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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>
Jayachandran B 9 年之前
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共有 1 个文件被更改,包括 1 次插入1 次删除
  1. 1 1
      sound/hda/ext/hdac_ext_controller.c

+ 1 - 1
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);