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authorJayachandran B <jayachandran.b@intel.com>2015-12-18 09:42:01 (GMT)
committerMark Brown <broonie@kernel.org>2016-01-10 12:02:44 (GMT)
commitcf8fe58b1066cea668e030d0ab61e4b8eef8b219 (patch)
treeb9f9e66268b3084bfee19addbb1f45b7bd4c31f8 /sound/hda/ext
parent88888155c555487037b894a97a2a4c6a8155cda0 (diff)
downloadlinux-cf8fe58b1066cea668e030d0ab61e4b8eef8b219.tar.xz
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>
Diffstat (limited to 'sound/hda/ext')
-rw-r--r--sound/hda/ext/hdac_ext_controller.c2
1 files changed, 1 insertions, 1 deletions
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 @@ 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);