This is fixed in the upstream 3.19.1 kernel by the following commit:
commit a11711eaefc12a47593d6accdab2efb83da068eb
Author: Takashi Iwai
Date: Thu Feb 5 12:23:33 2015 +0100
ALSA: hda - Set up GPIO for Toshiba Satellite S50D
commit 4227de2a7e5f0ff6a58e919a9c4f2bb06e882f48 upstream.
Toshiba Satellite S50D laptop with an IDT codec uses the GPIO4
(0x10) as the master EAPD.
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=915858
Signed-off-by: Takashi Iwai
Signed-off-by: Greg Kroah-Hartman
Ubuntu 15.04 Vivid Vervet currently has a kernel based on the 3.19.3
upstream kernel.
This patch is also in the upstream 3.18.9 kernel.
** Bug watch added: Novell/SUSE Bugzilla #915858
https://bugzilla.novell.com/show_bug.cgi?id=915858
** Changed in: alsa-driver (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1434705
Title:
[Satellite S50D-A, IDT 92HD99BXX, Speaker, ATAPI] No sound at all.
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