From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 28 Jul 2008 18:05:36 +0000 (+0100)
Subject: ALSA: Build jack detection
X-Git-Tag: v2.6.28-rc1~720^2~251
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d94e41abe271c86df06bcf72d24f9ca7ce771f0;p=pandora-kernel.git

ALSA: Build jack detection

Since jack detection requires the input subsystem which may not be
desired on small systems it is not built unless required by a driver
that is being built. Drivers using jack detection should use a pattern
like this:

config SND_FOO
        tristate "..."
        ...
        select SND_JACK if INPUT=y || INPUT=SND

to ensure that the jack detection API is enabled if the input subsystem
is.  If the input subsystem is not enabled then a stub version of the
API is provided.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

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