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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: Yurii Pavlovskyi <yurii.pavlovskyi@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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@ -85,6 +85,8 @@ MODULE_LICENSE("GPL");
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#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
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#define WMI_EVENT_MASK 0xFFFF
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static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
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static bool ashs_present(void)
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@ -1651,83 +1653,99 @@ static void asus_wmi_fnlock_update(struct asus_wmi *asus)
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asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
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}
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static void asus_wmi_notify(u32 value, void *context)
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static int asus_wmi_get_event_code(u32 value)
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{
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struct asus_wmi *asus = context;
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struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
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union acpi_object *obj;
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acpi_status status;
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int code;
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int orig_code;
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unsigned int key_value = 1;
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bool autorelease = 1;
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status = wmi_get_event_data(value, &response);
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if (status != AE_OK) {
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pr_err("bad event status 0x%x\n", status);
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return;
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if (ACPI_FAILURE(status)) {
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pr_warn("Failed to get WMI notify code: %s\n",
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acpi_format_exception(status));
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return -EIO;
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}
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obj = (union acpi_object *)response.pointer;
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if (!obj || obj->type != ACPI_TYPE_INTEGER)
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goto exit;
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if (obj && obj->type == ACPI_TYPE_INTEGER)
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code = (int)(obj->integer.value & WMI_EVENT_MASK);
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else
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code = -EIO;
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kfree(obj);
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return code;
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}
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static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
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{
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int orig_code;
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unsigned int key_value = 1;
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bool autorelease = 1;
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code = obj->integer.value;
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orig_code = code;
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if (asus->driver->key_filter) {
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asus->driver->key_filter(asus->driver, &code, &key_value,
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&autorelease);
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if (code == ASUS_WMI_KEY_IGNORE)
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goto exit;
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return;
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}
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if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
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code = ASUS_WMI_BRN_UP;
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else if (code >= NOTIFY_BRNDOWN_MIN &&
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code <= NOTIFY_BRNDOWN_MAX)
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else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
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code = ASUS_WMI_BRN_DOWN;
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if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
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if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
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asus_wmi_backlight_notify(asus, orig_code);
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goto exit;
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return;
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}
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}
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if (code == NOTIFY_KBD_BRTUP) {
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kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
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goto exit;
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return;
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}
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if (code == NOTIFY_KBD_BRTDWN) {
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kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
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goto exit;
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return;
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}
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if (code == NOTIFY_KBD_BRTTOGGLE) {
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if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
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kbd_led_set_by_kbd(asus, 0);
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else
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kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
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goto exit;
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return;
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}
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if (code == NOTIFY_FNLOCK_TOGGLE) {
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asus->fnlock_locked = !asus->fnlock_locked;
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asus_wmi_fnlock_update(asus);
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goto exit;
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return;
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}
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if (is_display_toggle(code) &&
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asus->driver->quirks->no_display_toggle)
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goto exit;
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if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
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return;
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if (!sparse_keymap_report_event(asus->inputdev, code,
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key_value, autorelease))
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pr_info("Unknown key %x pressed\n", code);
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}
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exit:
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kfree(obj);
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static void asus_wmi_notify(u32 value, void *context)
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{
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struct asus_wmi *asus = context;
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int code = asus_wmi_get_event_code(value);
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if (code < 0) {
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pr_warn("Failed to get notify code: %d\n", code);
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return;
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}
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asus_wmi_handle_event_code(code, asus);
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}
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/*
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