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authorHans de Goede <hdegoede@redhat.com>2018-01-09 11:34:15 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-01-09 16:38:06 -0800
commiteca3be9b95ac7cf9442654a54962859d74f8e38a (patch)
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parentda7bdec455b160771f0343e38dc538791f2b2a99 (diff)
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Input: silead - add support for capactive home button found on some x86 tablets
On some x86 tablets with a silead touchscreen the windows logo on the front is a capacitive home button. Touching this button results in a touch with bits 12-15 of the Y coordinates set, while normally only the lower 12 are used. Detect this and report a KEY_LEFTMETA press when this happens. Note for now we only respond to the Y coordinate bits 12-15 containing 0x01, on some tablets *without* a capacative button I've noticed these bits containing 0x04 when crossing the edges of the screen. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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