From: Frank Schaefer <fschaefer.oss@googlemail.com>
Date: Sun, 19 Jan 2014 21:48:35 +0000 (-0300)
Subject: [media] em28xx-i2c: fix the error code for unknown errors
X-Git-Tag: v3.15-rc1~85^2~388
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=123a17d1427a2d7ad9142df1f6543c578864a0dd;p=pandora-kernel.git

[media] em28xx-i2c: fix the error code for unknown errors

Commit e63b009d6e "em28xx-i2c: Fix error code for I2C error transfers"
changed the code to return -ETIMEDOUT on all unknown errors.
But the proper error code for unknown errors is -EIO.
So only report -ETIMEDOUT in case of the errors 0x02 and 0x04, which
are according to Mauro Carvalho Chehab's tests related to i2c clock
stretching and return -EIO for the rest.

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