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/openbmc/linux/drivers/input/touchscreen/ |
H A D | goodix.h | 20e31722 Mon Sep 20 23:08:44 CDT 2021 Hans de Goede <hdegoede@redhat.com> Input: goodix - allow specifying the config filename
The config which needs to be send to the controller on some device-models is model-specific. Allow specifying a model-specific filename through a device-property, rather then always using a fixed filename.
Note the "goodix,config-name" device-property used by this is *not* documented in the Documentation/devicetree/bindings/input/touchscreen/goodix.yaml device-tree bindings for now.
Not documenting these is intentional. This is done because this code has only been tested on x86/ACPI so far, where devicetree is not used. Instead these properties are set through a software-fwnode attached to the device by the drivers/platform/x86/touchscreen_dmi.c code. This means that the use of this property for now is purely a kernel-internal thing and the name/working of the property may still be changed for now.
Reviewed-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210920150643.155872-6-hdegoede@redhat.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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H A D | goodix.c | 20e31722 Mon Sep 20 23:08:44 CDT 2021 Hans de Goede <hdegoede@redhat.com> Input: goodix - allow specifying the config filename
The config which needs to be send to the controller on some device-models is model-specific. Allow specifying a model-specific filename through a device-property, rather then always using a fixed filename.
Note the "goodix,config-name" device-property used by this is *not* documented in the Documentation/devicetree/bindings/input/touchscreen/goodix.yaml device-tree bindings for now.
Not documenting these is intentional. This is done because this code has only been tested on x86/ACPI so far, where devicetree is not used. Instead these properties are set through a software-fwnode attached to the device by the drivers/platform/x86/touchscreen_dmi.c code. This means that the use of this property for now is purely a kernel-internal thing and the name/working of the property may still be changed for now.
Reviewed-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210920150643.155872-6-hdegoede@redhat.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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