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[media] Input: synaptics-rmi4 - add support for F54 diagnostics

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Function 54 implements access to various RMI4 diagnostic features.

This patch adds support for retrieving this data. It registers a V4L2
device to output the data to user space.

Signed-off-by: Nick Dyer <nick@shmanahar.org>
Tested-by: Andrew Duggan <aduggan@synaptics.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Nick Dyer
2016-07-18 18:10:37 -03:00
committed by Mauro Carvalho Chehab
parent 06b3d3f38c
commit 3a762dbd53
5 changed files with 772 additions and 0 deletions
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3
drivers/input/rmi4/rmi_bus.c
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@@ -312,6 +312,9 @@ static struct rmi_function_handler *fn_handlers[] = {
#ifdef CONFIG_RMI4_F30
&rmi_f30_handler,
#endif
#ifdef CONFIG_RMI4_F54
&rmi_f54_handler,
#endif
};
static void __rmi_unregister_function_handlers(int start_idx)