From: Mike Isely <isely@pobox.com>
Date: Wed, 14 Jan 2009 07:22:56 +0000 (-0300)
Subject: V4L/DVB (10237): pvrusb2: Generate a device-unique identifier
X-Git-Tag: v2.6.30-rc1~621^2~703
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13a887971b6c97751fce62ab803ee93a42a23c5d;p=pandora-kernel.git

V4L/DVB (10237): pvrusb2: Generate a device-unique identifier

Implement a new internal function to create a string device
identifier.  This ID stays with the specific device, making it useful
to user space to identify specific devices.  We use the serial number
if available; otherwise we give up and just spit out a unit/instance ID.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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