drm/i2c: tda998x: clean up error chip version checking
authorRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 2 Feb 2014 16:18:24 +0000 (16:18 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 13 Feb 2014 19:41:37 +0000 (19:41 +0000)
commitfb7544d7732f780df989fabf31c5852be953daad
tree963f13b8a7bf16ecf8cb6028cb7d968ba5eed503
parent7d2eadc9b9d4eacc6aa8cc0cb33e05b5a6d30256
drm/i2c: tda998x: clean up error chip version checking

This is a nicer way, and results in proper return codes should the
read of the MSB version register fail.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/gpu/drm/i2c/tda998x_drv.c