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platform/x86: asus-wmi: Refactor WMI event handling

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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>
This commit is contained in:
Yurii Pavlovskyi 2019-05-14 21:01:24 +02:00 committed by Andy Shevchenko
parent e0668f2888
commit 8abd752bd4
1 changed files with 42 additions and 24 deletions
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66
drivers/platform/x86/asus-wmi.c
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@ -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);
}
/*