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Commit 8abd752b authored by Yurii Pavlovskyi's avatar Yurii Pavlovskyi Committed by Andy Shevchenko
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platform/x86: asus-wmi: Refactor WMI event handling 



Refactor WMI event handling into separate functions for getting the event
code and handling the retrieved event code as a preparation for
introduction of WMI event queue support.

Signed-off-by: default avatarYurii Pavlovskyi <yurii.pavlovskyi@gmail.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent e0668f28

drivers/platform/x86/asus-wmi.c

+42 −24
Original line number Diff line number Diff line
@@ -85,6 +85,8 @@ MODULE_LICENSE("GPL"); 


#define ASUS_ACPI_UID_ASUSWMI		"ASUSWMI"



#define WMI_EVENT_MASK			0xFFFF



static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };



static bool ashs_present(void)
@@ -1651,83 +1653,99 @@ static void asus_wmi_fnlock_update(struct asus_wmi *asus) 
	asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);

}



static void asus_wmi_notify(u32 value, void *context)

static int asus_wmi_get_event_code(u32 value)

{

	struct asus_wmi *asus = context;

	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };

	union acpi_object *obj;

	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) {

		pr_err("bad event status 0x%x\n", status);

		return;

	if (ACPI_FAILURE(status)) {

		pr_warn("Failed to get WMI notify code: %s\n",

				acpi_format_exception(status));

		return -EIO;

	}



	obj = (union acpi_object *)response.pointer;



	if (!obj || obj->type != ACPI_TYPE_INTEGER)

		goto exit;

	if (obj && obj->type == ACPI_TYPE_INTEGER)

		code = (int)(obj->integer.value & WMI_EVENT_MASK);

	else

		code = -EIO;



	kfree(obj);

	return code;

}



static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)

{

	int orig_code;

	unsigned int key_value = 1;

	bool autorelease = 1;



	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;

			return;

	}



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

		code = ASUS_WMI_BRN_UP;

	else if (code >= NOTIFY_BRNDOWN_MIN &&

		 code <= NOTIFY_BRNDOWN_MAX)

	else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)

		code = ASUS_WMI_BRN_DOWN;



	if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {

		if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {

			asus_wmi_backlight_notify(asus, orig_code);

			goto exit;

			return;

		}

	}



	if (code == NOTIFY_KBD_BRTUP) {

		kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);

		goto exit;

		return;

	}

	if (code == NOTIFY_KBD_BRTDWN) {

		kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);

		goto exit;

		return;

	}

	if (code == NOTIFY_KBD_BRTTOGGLE) {

		if (asus->kbd_led_wk == asus->kbd_led.max_brightness)

			kbd_led_set_by_kbd(asus, 0);

		else

			kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);

		goto exit;

		return;

	}



	if (code == NOTIFY_FNLOCK_TOGGLE) {

		asus->fnlock_locked = !asus->fnlock_locked;

		asus_wmi_fnlock_update(asus);

		goto exit;

		return;

	}



	if (is_display_toggle(code) &&

	    asus->driver->quirks->no_display_toggle)

		goto exit;

	if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)

		return;



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

					key_value, autorelease))

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

}



exit:

	kfree(obj);

static void asus_wmi_notify(u32 value, void *context)

{

	struct asus_wmi *asus = context;

	int code = asus_wmi_get_event_code(value);



	if (code < 0) {

		pr_warn("Failed to get notify code: %d\n", code);

		return;

	}



	asus_wmi_handle_event_code(code, asus);

}



/*