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Commit c4453f6a authored by Seth Forshee's avatar Seth Forshee Committed by Matthew Garrett
Browse files

asus-wmi: Add callback for hotkey filtering 



This is required for the T101MT home key, which behaves differently
than other hotkeys.

Signed-off-by: default avatarSeth Forshee <seth.forshee@canonical.com>
Signed-off-by: default avatarCorentin Chary <corentin.chary@gmail.com>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent 49979d09

drivers/platform/x86/asus-wmi.c

+11 −1
Original line number Diff line number Diff line
@@ -1061,6 +1061,8 @@ static void asus_wmi_notify(u32 value, void *context) 
	acpi_status status;

	int code;

	int orig_code;

	unsigned int key_value = 1;

	bool autorelease = 1;



	status = wmi_get_event_data(value, &response);

	if (status != AE_OK) {
@@ -1076,6 +1078,13 @@ static void asus_wmi_notify(u32 value, void *context) 
	code = obj->integer.value;

	orig_code = code;



	if (asus->driver->key_filter) {

		asus->driver->key_filter(asus->driver, &code, &key_value,

					 &autorelease);

		if (code == ASUS_WMI_KEY_IGNORE)

			goto exit;

	}



	if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)

		code = NOTIFY_BRNUP_MIN;

	else if (code >= NOTIFY_BRNDOWN_MIN &&
@@ -1085,7 +1094,8 @@ static void asus_wmi_notify(u32 value, void *context) 
	if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) {

		if (!acpi_video_backlight_support())

			asus_wmi_backlight_notify(asus, orig_code);

	} else if (!sparse_keymap_report_event(asus->inputdev, code, 1, true))

	} else if (!sparse_keymap_report_event(asus->inputdev, code,

					       key_value, autorelease))

		pr_info("Unknown key %x pressed\n", code);



exit:

drivers/platform/x86/asus-wmi.h

+6 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ 


#include <linux/platform_device.h>



#define ASUS_WMI_KEY_IGNORE (-1)



struct module;

struct key_entry;

struct asus_wmi;
@@ -44,6 +46,10 @@ struct asus_wmi_driver { 
	const struct key_entry	*keymap;

	const char		*input_name;

	const char		*input_phys;

	/* Returns new code, value, and autorelease values in arguments.

	 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */

	void (*key_filter) (struct asus_wmi_driver *driver, int *code,

			    unsigned int *value, bool *autorelease);



	int (*probe) (struct platform_device *device);

	void (*quirks) (struct asus_wmi_driver *driver);