From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 11 Sep 2014 13:22:46 +0000 (+0200)
Subject: ALSA: hda - Allow multiple callbacks for jack
X-Git-Tag: fixes-against-v3.18-rc2~128^2~19^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a4f69d5aaecb39a980fc20b14ec800fd5b53061;p=pandora-kernel.git

ALSA: hda - Allow multiple callbacks for jack

So far, hda_jack infrastructure allows only one callback per jack, and
this makes things slightly complicated when a driver wants to assign
multiple tasks to a jack, e.g. the standard auto-mute with a power
up/down sequence.  This can be simplified if the hda_jack accepts
multiple callbacks.

This patch is such an extension: the callback-specific part (the
function and private_data) is split to another struct from
hda_jack_tbl, and multiple such objects can be assigned to a single
hda_jack_tbl entry.

The new struct hda_jack_callback is passed to each callback function
now, thus the patch became bigger than expected.  But these changes
are mostly trivial.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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