tree 65ad4af48a97e8ed4314ee19934a56173a98c24b
parent 2f7f730a4f0fd3376dda9266203f29ceccd0a67f
author Jean-Francois Moine <moinejf@free.fr> 1390670085 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> 1392320496 +0000

drm/i2c: tda998x: check more I/O errors

This patch adds more error checking inn I2C I/O functions.
In case of I/O error, this permits to avoid writing in bad controller
pages, a bad chipset detection or looping when getting the EDID.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>