diff options
author | Yurii Pavlovskyi <yurii.pavlovskyi@gmail.com> | 2019-05-14 21:01:24 +0200 |
---|---|---|
committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-06-17 15:22:47 +0300 |
commit | 8abd752bd4733ed2e812fc37413ef80e13946c34 (patch) | |
tree | 44cacfeec2f529dc2f42d81a771ff047ff1b8069 /drivers/platform/x86/asus-wmi.c | |
parent | e0668f28888184f6c633110a37386f2d4a6fa00e (diff) |
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>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
-rw-r--r-- | drivers/platform/x86/asus-wmi.c | 66 |
1 files changed, 42 insertions, 24 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index ef526dcfeac5..fc4ccdedb626 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -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); } /* |