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surfacepro3_button: Add a warning when switching to tablet mode
Microsoft Surface Book has a tablet mode button. Print another message once on this event instead of repeating "Unknown event...". Unfortunately, proper support involves the _DSM method, which is not a discoverable interface. Just print a warning for now. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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@ -24,6 +24,8 @@
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#define SURFACE_BUTTON_OBJ_NAME "VGBI"
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#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3/4 Buttons"
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#define SURFACE_BUTTON_NOTIFY_TABLET_MODE 0xc8
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#define SURFACE_BUTTON_NOTIFY_PRESS_POWER 0xc6
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#define SURFACE_BUTTON_NOTIFY_RELEASE_POWER 0xc7
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@ -33,7 +35,7 @@
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#define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_UP 0xc0
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#define SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_UP 0xc1
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#define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN 0xc2
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#define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN 0xc2
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#define SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN 0xc3
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ACPI_MODULE_NAME("surface pro 3 button");
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@ -105,9 +107,12 @@ static void surface_button_notify(struct acpi_device *device, u32 event)
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case SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN:
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key_code = KEY_VOLUMEDOWN;
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break;
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case SURFACE_BUTTON_NOTIFY_TABLET_MODE:
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dev_warn_once(&device->dev, "Tablet mode is not supported\n");
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break;
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default:
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dev_info_ratelimited(&device->dev,
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"Unsupported event [0x%x]\n", event);
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"Unsupported event [0x%x]\n", event);
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break;
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}
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input = button->input;
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