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path: root/drivers/platform/x86/acer-wmi.c
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Diffstat (limited to 'drivers/platform/x86/acer-wmi.c')
-rw-r--r--drivers/platform/x86/acer-wmi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index fb45f5ee8df1..454970d2d701 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -746,7 +746,9 @@ static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
return AE_BAD_PARAMETER;
if (quirks->mailled == 1) {
param = value ? 0x92 : 0x93;
+ i8042_lock_chip();
i8042_command(&param, 0x1059);
+ i8042_unlock_chip();
return 0;
}
break;