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>
The v4l2_ctrl_query_fill_std() function wasn't one the best idea I ever had.
It doesn't add anything valuable that cannot be expressed equally well with
v4l2_ctrl_query_fill and only adds overhead.
Replace it with v4l2_ctrl_query_fill() everywhere it is used and remove it
from v4l2_common.c.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
because they might design two of those chips on a single board.
You never know.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
to avoid:
| tvp514x 0-005c: No platform data
| !!<3>tvp514x 0-005d: No platform data
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
