From: Frank Schaefer <fschaefer.oss@googlemail.com>
Date: Sun, 1 Dec 2013 21:06:52 +0000 (-0300)
Subject: [media] em28xx: extend the support for device buttons
X-Git-Tag: v3.14-rc1~20^2~341
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f522260993822d82e2c480aa676aa4ca1230d235;p=pandora-kernel.git

[media] em28xx: extend the support for device buttons

The current code supports only a single snapshot button assigned to
register 0x0c bit 5. But devices may be equipped with multiple buttons
with different functionalities and they can also be assigned to the
various GPI-ports.
Extend the em28xx-input code to handle multiple buttons assigned to different
GPI-ports / register addresses and bits.
Also make easier to extend the code with further button types.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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