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4 Commits

Author SHA1 Message Date
Dmitry Torokhov
54bf08946a Input: synaptics-rmi4 - when registering sensors do not call them "drivers" 
We are not registering drivers, but transport devices (AKA sensors), so
let's call them that.

Also let's rename "retval" to "error" in probe() functions as the variables
are used to store error codes.

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2017-04-03 16:24:00 -07:00
Dmitry Torokhov
8a7c71ae38 Input: synaptics-rmi4 - cleanup SMbus mapping handling 
There is no reason to copy structures field-by-filed when we can copy
elements at once.

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2017-04-03 16:24:00 -07:00
Dmitry Torokhov
2593cd1189 Input: synaptics-rmi4 - fix endianness issue in SMBus transport 
The mapping table holds address in LE form, so we should convert it
to CPU when comparing it.

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2017-04-03 16:23:59 -07:00
Benjamin Tissoires
82264d0cf7 Input: synaptics-rmi4 - add SMBus support 
Code obtained from https://raw.githubusercontent.com/mightybigcar/synaptics-rmi4/jf/drivers/input/rmi4/rmi_smbus.c
and updated to match upstream. And fixed to make it work.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2016-11-08 17:12:10 -08:00