diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index d00ced756581..c9db750fe5ae 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -46,6 +46,12 @@ enum msi_scancodes { WIND_KEY_WLAN = 0x5f, /* Fn+F11 Wi-Fi toggle */ WIND_KEY_TURBO, /* Fn+F10 turbo mode toggle */ WIND_KEY_ECO = 0x69, /* Fn+F10 ECO mode toggle */ + /* MSI Claw keys */ + CLAW_KEY_VOLUMEDOWN = 0x21, + CLAW_KEY_CENTER = 0x29, /* MSI M-Center main menu */ + CLAW_KEY_QUICK_LONG = 0x2a, /* MSI M-Center quick access long hold */ + CLAW_KEY_VOLUMEUP = 0x32, + CLAW_KEY_QUICK_SHORT = 0x58, /* MSI M-Center quick access short press */ }; static struct key_entry msi_wmi_keymap[] = { { KE_KEY, MSI_KEY_BRIGHTNESSUP, {KEY_BRIGHTNESSUP} }, @@ -69,6 +75,15 @@ static struct key_entry msi_wmi_keymap[] = { { KE_KEY, WIND_KEY_TURBO, {KEY_PROG1} }, { KE_KEY, WIND_KEY_ECO, {KEY_PROG2} }, + /* These are MSI Claw keys, used for MSI M-Center in Windows */ + { KE_KEY, CLAW_KEY_CENTER, {KEY_F15} }, + + /* These MSI Claw keys work without WMI. Ignore them to avoid double keycodes */ + { KE_IGNORE, CLAW_KEY_QUICK_SHORT }, + { KE_IGNORE, CLAW_KEY_QUICK_LONG }, + { KE_IGNORE, CLAW_KEY_VOLUMEUP }, + { KE_IGNORE, CLAW_KEY_VOLUMEDOWN }, + { KE_END, 0 } }; @@ -183,6 +198,17 @@ static void msi_wmi_notify(union acpi_object *obj, void *context) eventcode = obj->integer.value; pr_debug("Eventcode: 0x%x\n", eventcode); break; + case ACPI_TYPE_BUFFER: + /* Field returns u8[2] here, but is u32 by spec. Allow "oversized" buffers. */ + if (obj->buffer.length < 2) + return; + + /* pointer[0] is key ID, pointer[1] is active state. We don't get release + * events, so ignore the active state and treat as autorelease. + */ + eventcode = obj->buffer.pointer[0]; + pr_debug("Eventcode: 0x%x\n", eventcode); + break; default: pr_info("Unknown event received\n"); return;