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update patch for buttons

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This commit is contained in:
Jake Day 2018-06-30 11:42:31 -04:00
parent 34ae66c141
commit 04da26f263
1 changed files with 23 additions and 0 deletions
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23
patches/4.17/buttons.patch
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@ -270,3 +270,26 @@ index 000000000000..8dc48435b5f4
+MODULE_AUTHOR("Maximilian Luz");
+MODULE_DESCRIPTION("Surface Book 2/Surface Pro (2017) Button Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/surfacepro3_button.c b/drivers/platform/x86/surfacepro3_button.c
index 1b491690ce07..9385262b65be 100644
--- a/drivers/platform/x86/surfacepro3_button.c
+++ b/drivers/platform/x86/surfacepro3_button.c
@@ -22,6 +22,7 @@
#define SURFACE_PRO3_BUTTON_HID "MSHW0028"
#define SURFACE_PRO4_BUTTON_HID "MSHW0040"
#define SURFACE_BUTTON_OBJ_NAME "VGBI"
+#define SURFACE_METHOD_DSM "_DSM"
#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3/4 Buttons"
#define SURFACE_BUTTON_NOTIFY_TABLET_MODE 0xc8
@@ -158,6 +159,9 @@ static int surface_button_add(struct acpi_device *device)
strlen(SURFACE_BUTTON_OBJ_NAME)))
return -ENODEV;
+ if (acpi_has_method(device->handle, SURFACE_METHOD_DSM))
+ return -ENODEV;
+
button = kzalloc(sizeof(struct surface_button), GFP_KERNEL);
if (!button)
return -ENOMEM;