ACPI: EC: use BURST mode only for MSI notebooks
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 839b542..788db78 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -575,7 +575,8 @@
if (bits != 8 && acpi_strict)
return AE_BAD_PARAMETER;
- acpi_ec_burst_enable(ec);
+ if (EC_FLAGS_MSI)
+ acpi_ec_burst_enable(ec);
if (function == ACPI_READ) {
result = acpi_ec_read(ec, address, &temp);
@@ -596,7 +597,8 @@
}
}
- acpi_ec_burst_disable(ec);
+ if (EC_FLAGS_MSI)
+ acpi_ec_burst_disable(ec);
switch (result) {
case -EINVAL: