[PATCH] platform/x86: asus-wmi: add debug print in more key places

[Luke D. Jones]

Add more verbose debug print in the WMI method calls. This helps a lot
with debugging various issues working with regular users as the WMI
methods can be traced now.

Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
---
 drivers/platform/x86/asus-wmi.c | 58 +++++++++++++++++++++++++++------
 1 file changed, 48 insertions(+), 10 deletions(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 85c90ed9873b..6d187fc3aba1 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -354,20 +354,29 @@ static int asus_wmi_evaluate_method3(u32 method_id,
 	status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 				     &input, &output);
 
-	if (ACPI_FAILURE(status))
+	pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x\n",
+		__func__, method_id, arg0, arg1, arg2);
+	if (ACPI_FAILURE(status)) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, -EIO);
 		return -EIO;
+	}
 
 	obj = (union acpi_object *)output.pointer;
 	if (obj && obj->type == ACPI_TYPE_INTEGER)
 		tmp = (u32) obj->integer.value;
 
+	pr_debug("Result: 0x%08x\n", tmp);
 	if (retval)
 		*retval = tmp;
 
 	kfree(obj);
 
-	if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
+	if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, -ENODEV);
 		return -ENODEV;
+	}
 
 	return 0;
 }
@@ -397,20 +406,29 @@ static int asus_wmi_evaluate_method5(u32 method_id,
 	status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 				     &input, &output);
 
-	if (ACPI_FAILURE(status))
+	pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
+		__func__, method_id, arg0, arg1, arg2, arg3, arg4);
+	if (ACPI_FAILURE(status)) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, -EIO);
 		return -EIO;
+	}
 
 	obj = (union acpi_object *)output.pointer;
 	if (obj && obj->type == ACPI_TYPE_INTEGER)
 		tmp = (u32) obj->integer.value;
 
+	pr_debug("Result: %x\n", tmp);
 	if (retval)
 		*retval = tmp;
 
 	kfree(obj);
 
-	if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
+	if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, -ENODEV);
 		return -ENODEV;
+	}
 
 	return 0;
 }
@@ -436,8 +454,13 @@ static int asus_wmi_evaluate_method_buf(u32 method_id,
 	status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 				     &input, &output);
 
-	if (ACPI_FAILURE(status))
+	pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x\n",
+		__func__, method_id, arg0, arg1);
+	if (ACPI_FAILURE(status)) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, -EIO);
 		return -EIO;
+	}
 
 	obj = (union acpi_object *)output.pointer;
 
@@ -473,8 +496,11 @@ static int asus_wmi_evaluate_method_buf(u32 method_id,
 
 	kfree(obj);
 
-	if (err)
+	if (err) {
+		pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
+			__func__, method_id, arg0, err);
 		return err;
+	}
 
 	return 0;
 }
@@ -562,6 +588,7 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
 {
 	u32 retval;
 	int status = asus_wmi_get_devstate(asus, dev_id, &retval);
+	pr_debug("%s called (0x%08x), retval: 0x%08x\n", __func__, dev_id, retval);
 
 	return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
 }
@@ -3583,18 +3610,27 @@ static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
 
 	err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
 				      ASUS_WMI_DEVID_CPU_FAN_CURVE);
-	if (err)
+	if (err) {
+		pr_debug("%s, checked 0x%08x, failed: %d\n",
+			__func__, ASUS_WMI_DEVID_CPU_FAN_CURVE, err);
 		return err;
+	}
 
 	err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
 				      ASUS_WMI_DEVID_GPU_FAN_CURVE);
-	if (err)
+	if (err) {
+		pr_debug("%s, checked 0x%08x, failed: %d\n",
+			__func__, ASUS_WMI_DEVID_GPU_FAN_CURVE, err);
 		return err;
+	}
 
 	err = fan_curve_check_present(asus, &asus->mid_fan_curve_available,
 				      ASUS_WMI_DEVID_MID_FAN_CURVE);
-	if (err)
+	if (err) {
+		pr_debug("%s, checked 0x%08x, failed: %d\n",
+			__func__, ASUS_WMI_DEVID_MID_FAN_CURVE, err);
 		return err;
+	}
 
 	if (!asus->cpu_fan_curve_available
 		&& !asus->gpu_fan_curve_available
@@ -4438,8 +4474,10 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj,
 	else if (attr == &dev_attr_available_mini_led_mode.attr)
 		ok = asus->mini_led_dev_id != 0;
 
-	if (devid != -1)
+	if (devid != -1) {
 		ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
+		pr_debug("%s called 0x%08x, ok: %x\n", __func__, devid, ok);
+	}
 
 	return ok ? attr->mode : 0;
 }
-- 
2.46.0