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Input: synaptics-rmi4 - add support for F55 sensor tuning

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Sensor tuning support is needed to determine the number of enabled
tx and rx electrodes for use in F54 functions.

The number of enabled electrodes is not identical to the total number
of electrodes as reported with F55:Query0 and F55:Query1. It has to be
calculated by analyzing F55:Ctrl1 (sensor receiver assignment) and
F55:Ctrl2 (sensor transmitter assignment).

Support for additional sensor tuning functions may be added later.

Fixes: 3a762dbd53 ("[media] Input: synaptics-rmi4 - add support for F54 ...")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Guenter Roeck
2016-11-22 17:53:26 -08:00
committed by Dmitry Torokhov
parent 29fd0ec2bd
commit 6adba43fd2
5 changed files with 138 additions and 0 deletions
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drivers/input/rmi4/rmi_driver.h
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@@ -127,4 +127,5 @@ extern struct rmi_function_handler rmi_f12_handler;
extern struct rmi_function_handler rmi_f30_handler;
extern struct rmi_function_handler rmi_f34_handler;
extern struct rmi_function_handler rmi_f54_handler;
extern struct rmi_function_handler rmi_f55_handler;
#endif