The settings for these attributes can be read from the device, this
is now done instead of reading a stored value from module. The stored
value is also removed.
This means the simpler asus_wmi_dev_is_present() can be used in
*_check_present() - it is not an error for these methods to be
missing.
The _write() functions have their bodies shifted in to *_store()
which simplifies things further.
Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
---
drivers/platform/x86/asus-wmi.c | 84 ++++++++++-----------------------
1 file changed, 26 insertions(+), 58 deletions(-)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index a72ecc4e33b7..87b042fac1ce 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -228,9 +228,7 @@ struct asus_wmi {
u8 fan_boost_mode_mask;
u8 fan_boost_mode;
- bool egpu_enable_available; // 0 = enable
- bool egpu_enable;
-
+ bool egpu_enable_available;
bool dgpu_disable_available;
bool throttle_thermal_policy_available;
@@ -624,48 +622,10 @@ static DEVICE_ATTR_RW(dgpu_disable);
/* eGPU ********************************************************************/
static int egpu_enable_check_present(struct asus_wmi *asus)
{
- u32 result;
- int err;
-
asus->egpu_enable_available = false;
- err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_EGPU, &result);
- if (err) {
- if (err == -ENODEV)
- return 0;
- return err;
- }
-
- if (result & ASUS_WMI_DSTS_PRESENCE_BIT) {
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU))
asus->egpu_enable_available = true;
- asus->egpu_enable = result & ASUS_WMI_DSTS_STATUS_BIT;
- }
-
- return 0;
-}
-
-static int egpu_enable_write(struct asus_wmi *asus)
-{
- u32 retval;
- u8 value;
- int err;
-
- /* Don't rely on type conversion */
- value = asus->egpu_enable ? 1 : 0;
-
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, value, &retval);
-
- if (err) {
- pr_warn("Failed to set egpu disable: %d\n", err);
- return err;
- }
-
- if (retval > 1) {
- pr_warn("Failed to set egpu disable (retval): 0x%x\n", retval);
- return -EIO;
- }
-
- sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
return 0;
}
@@ -674,9 +634,13 @@ static ssize_t egpu_enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct asus_wmi *asus = dev_get_drvdata(dev);
- bool mode = asus->egpu_enable;
+ int result;
+
+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
+ if (result < 0)
+ return result;
- return sysfs_emit(buf, "%d\n", mode);
+ return sysfs_emit(buf, "%d\n", result);
}
/* The ACPI call to enable the eGPU also disables the internal dGPU */
@@ -684,29 +648,33 @@ static ssize_t egpu_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- bool enable;
- int result;
+ int result, err;
+ u32 enable;
struct asus_wmi *asus = dev_get_drvdata(dev);
- result = kstrtobool(buf, &enable);
- if (result)
- return result;
+ err = kstrtou32(buf, 10, &enable);
+ if (err)
+ return err;
- asus->egpu_enable = enable;
+ if (enable > 1)
+ return -EINVAL;
- result = egpu_enable_write(asus);
- if (result)
- return result;
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
+ if (err) {
+ pr_warn("Failed to set egpu disable: %d\n", err);
+ return err;
+ }
- /* Ensure that the kernel status of dgpu is updated */
- result = dgpu_disable_check_present(asus);
- if (result)
- return result;
+ if (result > 1) {
+ pr_warn("Failed to set egpu disable (retval): 0x%x\n", result);
+ return -EIO;
+ }
+
+ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
return count;
}
-
static DEVICE_ATTR_RW(egpu_enable);
/* Battery ********************************************************************/
--
2.37.1
