From: Antti Palosaari <crope@iki.fi>
Date: Fri, 29 May 2015 19:42:33 +0000 (-0300)
Subject: [media] si2168: Implement own I2C adapter locking
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~140^2~155
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2b72f6482b9a3c57f036c11786a2489dcc81176;p=pandora-kernel.git

[media] si2168: Implement own I2C adapter locking

We need own I2C locking because of tuner I2C adapter/repeater.
Firmware command is executed using I2C send + reply message. Default
I2C adapter locking protects only single I2C operation, not whole
send + reply sequence as needed. Due to that, it was possible tuner
I2C message interrupts firmware command sequence.

Reported-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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