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authorChen Yu <yu.c.chen@intel.com>2015-08-18 18:30:25 +0300
committerDarren Hart <dvhart@linux.intel.com>2015-08-26 10:21:27 +0300
commit2508a45a924dfa4a5f6e60675aa4732d888134a7 (patch)
tree94cf10510ec0c70de7b42fea8d0fd2ab0ecc8f2f /drivers/platform/x86/Kconfig
parentfc0bfacd045a17e385b4272dfe2387ba3a6d8745 (diff)
downloadlinux-2508a45a924dfa4a5f6e60675aa4732d888134a7.tar.xz
surface pro 3: Add support driver for Surface Pro 3 buttons
Since Surface Pro 3 does not follow the specs of "Windows ACPI Design Guide for SoC Platform", code in drivers/input/misc/soc_array.c can not detect these buttons on it. According to bios implementation, Surface Pro 3 encapsulates these buttons in a device named "VGBI", with _HID "MSHW0028". When any of the buttons is pressed, a specify ACPI notification code for this button will be delivered to "VGBI". For example, if power button is pressed down, ACPI notification code of 0xc6 will be sent by Notify(VGBI, 0xc6). This patch leverages "VGBI" to distinguish different ACPI notification code from Power button, Home button, Volume button, then dispatches these code to input layer. Lid is already covered by acpi button driver, so there's no need to rewrite. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=84651 Tested-by: Ethan Schoonover <es@ethanschoonover.com> Tested-by: Peter Amidon <psa.pub.0@picnicpark.org> Tested-by: Donavan Lance <tusklahoma@gmail.com> Tested-by: Stephen Just <stephenjust@gmail.com> Signed-off-by: Chen Yu <yu.c.chen@intel.com> [dvhart@linux.intel.com: Formatting corrections in MAINTAINERS and Intel (c)] Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/Kconfig')
-rw-r--r--drivers/platform/x86/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 6dc13e4de396..c69bb703f483 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -919,4 +919,9 @@ config INTEL_PMC_IPC
The PMC is an ARC processor which defines IPC commands for communication
with other entities in the CPU.
+config SURFACE_PRO3_BUTTON
+ tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3 tablet"
+ depends on ACPI && INPUT
+ ---help---
+ This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3 tablet.
endif # X86_PLATFORM_DEVICES