V4L/DVB (13292): tvp514x: recognize the error case in tvp514x_read_reg()
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 4 Nov 2009 18:35:09 +0000 (15:35 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 5 Dec 2009 20:41:13 +0000 (18:41 -0200)
commit6f901a991991fd3c9ac51bc7234a6706ef17ddfe
treea920601fb01d5b5e81cd3cb3c1f1cb870c3649b5
parent480be1851aebcb0b9c5b0fb9acefe5da97cc702a
V4L/DVB (13292): tvp514x: recognize the error case in tvp514x_read_reg()

i2c_smbus_read_byte_data() returns a negative value on error. It is very
likely to be != -1 (-EPERM).

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/tvp514x.c