ALSA: hdac: ext: add wait for codec to respond after link reset

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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>

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Rakesh Ughreja 2018-06-01 22:54:00 -05:00 • committed by Takashi Iwai

parent e1df9317cb

commit f8a7fe1aea

1 changed files with 9 additions and 0 deletions

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sound/hda/ext/hdac_ext_controller.c

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