diff options
| -rw-r--r-- | drivers/platform/x86/intel-wmi-thunderbolt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel-wmi-thunderbolt.c b/drivers/platform/x86/intel-wmi-thunderbolt.c index b029a70b084a..9ded8e2af312 100644 --- a/drivers/platform/x86/intel-wmi-thunderbolt.c +++ b/drivers/platform/x86/intel-wmi-thunderbolt.c @@ -30,12 +30,16 @@ static ssize_t force_power_store(struct device *dev, input.length = sizeof(u8); input.pointer = &mode; mode = hex_to_bin(buf[0]); + dev_dbg(dev, "force_power: storing %#x\n", mode); if (mode == 0 || mode == 1) { status = wmi_evaluate_method(INTEL_WMI_THUNDERBOLT_GUID, 0, 1, &input, NULL); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + dev_dbg(dev, "force_power: failed to evaluate ACPI method\n"); return -ENODEV; + } } else { + dev_dbg(dev, "force_power: unsupported mode\n"); return -EINVAL; } return count; |