From 8b1fa5798dec77d9d2cd81751772a580474aa17f Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Sun, 12 Jan 2014 10:21:42 -0300
Subject: [PATCH] [media] em28xx-audio: return -ENODEV when the device is
 disconnected

If em28xx is disconnected, return -ENODEV to all PCM callbacks.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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