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ALSA: hdac: ext: add wait for codec to respond after link reset
authorRakesh Ughreja <rakesh.a.ughreja@intel.com>
Sat, 2 Jun 2018 03:54:00 +0000 (22:54 -0500)
committerTakashi Iwai <tiwai@suse.de>
Thu, 28 Jun 2018 05:33:29 +0000 (07:33 +0200)
commitf8a7fe1aea215e25eaf3bf04dff66fc7621ec9d7
tree3eaa0ae6b3cc8314ae413aeb299b092f4b7a282ftree
parente1df9317cbb192582ed7aa88c5f294c2336a3c75commit | diff
ALSA: hdac: ext: add wait for codec to respond after link reset

As per HDA spec section 4.3 - Codec Discovery, the software shall wait
for atleast 521usec for codec to respond after link reset.
With the multi-link capability each link is turned ON/OFF individually.
Link controller drives reset signal when it is turned ON.

Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/hda/ext/hdac_ext_controller.c diff | blob | history
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