linux-kernel - [PATCH 12/16] asus-wmi: check for temp1 presence

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Date:	Fri,  1 Jul 2011 11:34:37 +0200
From:	Corentin Chary <corentin.chary@...il.com>
To:	platform-driver-x86@...r.kernel.org
Cc:	Corentin Chary <corentin.chary@...il.com>,
	Corentin Chary <corentincj@...aif.net> (maintainer:ASUS NOTEBOOKS
	AN...),
	Matthew Garrett <mjg@...hat.com> (maintainer:X86 PLATFORM DRIVERS),
	acpi4asus-user@...ts.sourceforge.net (open list:ASUS NOTEBOOKS AN...),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 12/16] asus-wmi: check for temp1 presence

Signed-off-by: Corentin Chary <corentin.chary@...il.com>
---
 drivers/platform/x86/asus-wmi.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index cc947cc..be9e89a 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -967,7 +967,7 @@ static struct attribute *hwmon_attributes[] = {
 };
 
 static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
-				    struct attribute *attr, int idx)
+					  struct attribute *attr, int idx)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
 	struct platform_device *pdev = to_platform_device(dev->parent);
@@ -978,6 +978,8 @@ static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
 
 	if (attr == &sensor_dev_attr_pwm1.dev_attr.attr)
 		dev_id = ASUS_WMI_DEVID_FAN_CTRL;
+	else if (attr == &sensor_dev_attr_temp1_input.dev_attr.attr)
+		dev_id = ASUS_WMI_DEVID_THERMAL_CTRL;
 
 	if (dev_id != -1) {
 		int err = asus_wmi_get_devstate(asus, dev_id, &value);
@@ -998,6 +1000,10 @@ static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
 		if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
 		    || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
 			ok = false;
+	} else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) {
+		/* If value is zero, something is clearly wrong */
+		if (value == 0)
+			ok = false;
 	}
 
 	return ok ? attr->mode : 0;
-- 
1.7.3.4

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