ALSA: hda - delayed ELD repoll

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The Intel HDMI chips (ironlake at least) are found to have ~250ms delay
between the ELD_Valid=1 hotplug event is send and the ELD buffer becomes
actually readable. During the time the ELD buffer is mysteriously all 0.

Fix it by scheduling a delayed work to re-read ELD buffer after 300ms.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Wu Fengguang 2011-11-16 16:29:47 +08:00 • committed by Takashi Iwai

parent b95d68b817

commit 744626dada

1 changed files with 29 additions and 7 deletions

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sound/pci/hda/patch_hdmi.c

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