upstream: [media] em28xx-audio: fix return code on device disconnect
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Sun, 12 Jan 2014 15:57:08 +0000 (12:57 -0300)
committerChanho Park <chanho61.park@samsung.com>
Tue, 18 Nov 2014 02:54:30 +0000 (11:54 +0900)
commitbe85dd0de07e084b6275abc5f7bf3b7ed5331144
treef9b898816f6e04e298dbb1bed05537690ffd722a
parent134180efd5fb326e2455865acd14feb1fae0c954
upstream: [media] em28xx-audio: fix return code on device disconnect

Alsa has an special non-negative return code to indicate device removal
at snd_em28xx_capture_pointer(). Use it, instead of an error code.

Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/usb/em28xx/em28xx-audio.c