Commit cf8fe58b authored Dec 18, 2015 by Jayachandran B Committed by Mark Brown Jan 10, 2016

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>

parent 88888155

sound/hda/ext/hdac_ext_controller.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -246,7 +246,7 @@ static int check_hdac_link_power_active(struct hdac_ext_link *link, bool enable)
	int mask = (1 << AZX_MLCTL_CPA);		int mask = (1 << AZX_MLCTL_CPA);

	udelay(3);		udelay(3);
	timeout = 50;		timeout = 150;

	do {		do {
	val = readl(link->ml_addr + AZX_REG_ML_LCTL);		val = readl(link->ml_addr + AZX_REG_ML_LCTL);