diff options
| author | Luke D. Jones <luke@ljones.dev> | 2023-06-30 08:35:48 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-07-12 18:01:49 +0300 |
| commit | d4eca58aafe241f68e9d7e015d262abe8c8507ac (patch) | |
| tree | c4531fb1af01ff6893e02499614a3f8940648c90 /drivers/platform/x86/asus-wmi.c | |
| parent | ee887807d05d3d6fb68917df59e450385fe630d3 (diff) | |
| download | linux-d4eca58aafe241f68e9d7e015d262abe8c8507ac.tar.xz | |
platform/x86: asus-wmi: add WMI method to show if egpu connected
Exposes the WMI method which tells if the eGPU is properly connected
on the devices that support it.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230630053552.976579-5-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index fb27218e51cf..0c8a4a46b121 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -243,6 +243,7 @@ struct asus_wmi { bool charge_mode_available; bool egpu_enable_available; + bool egpu_connect_available; bool dgpu_disable_available; bool gpu_mux_mode_available; @@ -709,6 +710,22 @@ static ssize_t egpu_enable_store(struct device *dev, } static DEVICE_ATTR_RW(egpu_enable); +/* Is eGPU connected? *********************************************************/ +static ssize_t egpu_connected_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + int result; + + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); + if (result < 0) + return result; + + return sysfs_emit(buf, "%d\n", result); +} + +static DEVICE_ATTR_RO(egpu_connected); + /* gpu mux switch *************************************************************/ static ssize_t gpu_mux_mode_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -3645,6 +3662,7 @@ static struct attribute *platform_attributes[] = { &dev_attr_touchpad.attr, &dev_attr_charge_mode.attr, &dev_attr_egpu_enable.attr, + &dev_attr_egpu_connected.attr, &dev_attr_dgpu_disable.attr, &dev_attr_gpu_mux_mode.attr, &dev_attr_lid_resume.attr, @@ -3677,6 +3695,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, ok = asus->charge_mode_available; else if (attr == &dev_attr_egpu_enable.attr) ok = asus->egpu_enable_available; + else if (attr == &dev_attr_egpu_connected.attr) + ok = asus->egpu_connect_available; else if (attr == &dev_attr_dgpu_disable.attr) ok = asus->dgpu_disable_available; else if (attr == &dev_attr_gpu_mux_mode.attr) @@ -3943,6 +3963,7 @@ static int asus_wmi_add(struct platform_device *pdev) asus->charge_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CHARGE_MODE); asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU); + asus->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU); asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX); asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE); |