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-rw-r--r--drivers/platform/x86/Kconfig1
-rw-r--r--drivers/platform/x86/hp-wmi.c47
-rw-r--r--drivers/platform/x86/i2c-multi-instantiate.c2
-rw-r--r--drivers/platform/x86/intel-hid.c36
-rw-r--r--drivers/platform/x86/intel-vbtn.c20
-rw-r--r--drivers/platform/x86/intel_cht_int33fe.c57
-rw-r--r--drivers/platform/x86/pmc_atom.c7
-rw-r--r--drivers/platform/x86/surfacepro3_button.c47
8 files changed, 121 insertions, 96 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 1b67bb578f9f..ae21d08c65e8 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -674,6 +674,7 @@ config EEEPC_LAPTOP
config ASUS_WMI
tristate "ASUS WMI Driver"
depends on ACPI_WMI
+ depends on ACPI_BATTERY
depends on INPUT
depends on HWMON
depends on BACKLIGHT_CLASS_DEVICE
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 2521e45280b8..6bcbbb375401 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -502,6 +502,17 @@ static DEVICE_ATTR_RO(dock);
static DEVICE_ATTR_RO(tablet);
static DEVICE_ATTR_RW(postcode);
+static struct attribute *hp_wmi_attrs[] = {
+ &dev_attr_display.attr,
+ &dev_attr_hddtemp.attr,
+ &dev_attr_als.attr,
+ &dev_attr_dock.attr,
+ &dev_attr_tablet.attr,
+ &dev_attr_postcode.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(hp_wmi);
+
static void hp_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -678,16 +689,6 @@ static void hp_wmi_input_destroy(void)
input_unregister_device(hp_wmi_input_dev);
}
-static void cleanup_sysfs(struct platform_device *device)
-{
- device_remove_file(&device->dev, &dev_attr_display);
- device_remove_file(&device->dev, &dev_attr_hddtemp);
- device_remove_file(&device->dev, &dev_attr_als);
- device_remove_file(&device->dev, &dev_attr_dock);
- device_remove_file(&device->dev, &dev_attr_tablet);
- device_remove_file(&device->dev, &dev_attr_postcode);
-}
-
static int __init hp_wmi_rfkill_setup(struct platform_device *device)
{
int err, wireless;
@@ -858,8 +859,6 @@ fail:
static int __init hp_wmi_bios_setup(struct platform_device *device)
{
- int err;
-
/* clear detected rfkill devices */
wifi_rfkill = NULL;
bluetooth_rfkill = NULL;
@@ -869,35 +868,12 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
if (hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device);
- err = device_create_file(&device->dev, &dev_attr_display);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_hddtemp);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_als);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_dock);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_tablet);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_postcode);
- if (err)
- goto add_sysfs_error;
return 0;
-
-add_sysfs_error:
- cleanup_sysfs(device);
- return err;
}
static int __exit hp_wmi_bios_remove(struct platform_device *device)
{
int i;
- cleanup_sysfs(device);
for (i = 0; i < rfkill2_count; i++) {
rfkill_unregister(rfkill2[i].rfkill);
@@ -966,6 +942,7 @@ static struct platform_driver hp_wmi_driver = {
.driver = {
.name = "hp-wmi",
.pm = &hp_wmi_pm_ops,
+ .dev_groups = hp_wmi_groups,
},
.remove = __exit_p(hp_wmi_bios_remove),
};
diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c
index 61fe341a85aa..ea68f6ed66ae 100644
--- a/drivers/platform/x86/i2c-multi-instantiate.c
+++ b/drivers/platform/x86/i2c-multi-instantiate.c
@@ -90,7 +90,7 @@ static int i2c_multi_inst_probe(struct platform_device *pdev)
for (i = 0; i < multi->num_clients && inst_data[i].type; i++) {
memset(&board_info, 0, sizeof(board_info));
strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE);
- snprintf(name, sizeof(name), "%s-%s.%d", match->id,
+ snprintf(name, sizeof(name), "%s-%s.%d", dev_name(dev),
inst_data[i].type, i);
board_info.dev_name = name;
switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) {
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index bc0d55a59015..ef6d4bd77b1a 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -253,35 +253,45 @@ static void intel_button_array_enable(struct device *device, bool enable)
static int intel_hid_pm_prepare(struct device *device)
{
- struct intel_hid_priv *priv = dev_get_drvdata(device);
+ if (device_may_wakeup(device)) {
+ struct intel_hid_priv *priv = dev_get_drvdata(device);
- priv->wakeup_mode = true;
+ priv->wakeup_mode = true;
+ }
return 0;
}
+static void intel_hid_pm_complete(struct device *device)
+{
+ struct intel_hid_priv *priv = dev_get_drvdata(device);
+
+ priv->wakeup_mode = false;
+}
+
static int intel_hid_pl_suspend_handler(struct device *device)
{
- if (pm_suspend_via_firmware()) {
+ intel_button_array_enable(device, false);
+
+ if (!pm_suspend_no_platform())
intel_hid_set_enable(device, false);
- intel_button_array_enable(device, false);
- }
+
return 0;
}
static int intel_hid_pl_resume_handler(struct device *device)
{
- struct intel_hid_priv *priv = dev_get_drvdata(device);
+ intel_hid_pm_complete(device);
- priv->wakeup_mode = false;
- if (pm_resume_via_firmware()) {
+ if (!pm_suspend_no_platform())
intel_hid_set_enable(device, true);
- intel_button_array_enable(device, true);
- }
+
+ intel_button_array_enable(device, true);
return 0;
}
static const struct dev_pm_ops intel_hid_pl_pm_ops = {
.prepare = intel_hid_pm_prepare,
+ .complete = intel_hid_pm_complete,
.freeze = intel_hid_pl_suspend_handler,
.thaw = intel_hid_pl_resume_handler,
.restore = intel_hid_pl_resume_handler,
@@ -491,6 +501,12 @@ static int intel_hid_probe(struct platform_device *device)
}
device_init_wakeup(&device->dev, true);
+ /*
+ * In order for system wakeup to work, the EC GPE has to be marked as
+ * a wakeup one, so do that here (this setting will persist, but it has
+ * no effect until the wakeup mask is set for the EC GPE).
+ */
+ acpi_ec_mark_gpe_for_wake();
return 0;
err_remove_notify:
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index a0d0cecff55f..b74932307d69 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -176,6 +176,12 @@ static int intel_vbtn_probe(struct platform_device *device)
return -EBUSY;
device_init_wakeup(&device->dev, true);
+ /*
+ * In order for system wakeup to work, the EC GPE has to be marked as
+ * a wakeup one, so do that here (this setting will persist, but it has
+ * no effect until the wakeup mask is set for the EC GPE).
+ */
+ acpi_ec_mark_gpe_for_wake();
return 0;
}
@@ -195,22 +201,30 @@ static int intel_vbtn_remove(struct platform_device *device)
static int intel_vbtn_pm_prepare(struct device *dev)
{
- struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
+ if (device_may_wakeup(dev)) {
+ struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
- priv->wakeup_mode = true;
+ priv->wakeup_mode = true;
+ }
return 0;
}
-static int intel_vbtn_pm_resume(struct device *dev)
+static void intel_vbtn_pm_complete(struct device *dev)
{
struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
priv->wakeup_mode = false;
+}
+
+static int intel_vbtn_pm_resume(struct device *dev)
+{
+ intel_vbtn_pm_complete(dev);
return 0;
}
static const struct dev_pm_ops intel_vbtn_pm_ops = {
.prepare = intel_vbtn_pm_prepare,
+ .complete = intel_vbtn_pm_complete,
.resume = intel_vbtn_pm_resume,
.restore = intel_vbtn_pm_resume,
.thaw = intel_vbtn_pm_resume,
diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c
index 4fbdff48a4b5..1d5d877b9582 100644
--- a/drivers/platform/x86/intel_cht_int33fe.c
+++ b/drivers/platform/x86/intel_cht_int33fe.c
@@ -34,7 +34,6 @@ enum {
INT33FE_NODE_MAX17047,
INT33FE_NODE_PI3USB30532,
INT33FE_NODE_DISPLAYPORT,
- INT33FE_NODE_ROLE_SWITCH,
INT33FE_NODE_USB_CONNECTOR,
INT33FE_NODE_MAX,
};
@@ -45,7 +44,6 @@ struct cht_int33fe_data {
struct i2c_client *pi3usb30532;
struct fwnode_handle *dp;
- struct fwnode_handle *mux;
};
static const struct software_node nodes[];
@@ -139,46 +137,10 @@ static const struct software_node nodes[] = {
{ "max17047", NULL, max17047_props },
{ "pi3usb30532" },
{ "displayport" },
- { "usb-role-switch" },
{ "connector", &nodes[0], usb_connector_props, usb_connector_refs },
{ }
};
-static int cht_int33fe_setup_mux(struct cht_int33fe_data *data)
-{
- struct fwnode_handle *fwnode;
- struct device *dev;
- struct device *p;
-
- fwnode = software_node_fwnode(&nodes[INT33FE_NODE_ROLE_SWITCH]);
- if (!fwnode)
- return -ENODEV;
-
- /* First finding the platform device */
- p = bus_find_device_by_name(&platform_bus_type, NULL,
- "intel_xhci_usb_sw");
- if (!p)
- return -EPROBE_DEFER;
-
- /* Then the mux child device */
- dev = device_find_child_by_name(p, "intel_xhci_usb_sw-role-switch");
- put_device(p);
- if (!dev)
- return -EPROBE_DEFER;
-
- /* If there already is a node for the mux, using that one. */
- if (dev->fwnode)
- fwnode_remove_software_node(fwnode);
- else
- dev->fwnode = fwnode;
-
- data->mux = fwnode_handle_get(dev->fwnode);
- put_device(dev);
- mux_ref.node = to_software_node(data->mux);
-
- return 0;
-}
-
static int cht_int33fe_setup_dp(struct cht_int33fe_data *data)
{
struct fwnode_handle *fwnode;
@@ -211,10 +173,9 @@ static void cht_int33fe_remove_nodes(struct cht_int33fe_data *data)
{
software_node_unregister_nodes(nodes);
- if (data->mux) {
- fwnode_handle_put(data->mux);
+ if (mux_ref.node) {
+ fwnode_handle_put(software_node_fwnode(mux_ref.node));
mux_ref.node = NULL;
- data->mux = NULL;
}
if (data->dp) {
@@ -235,14 +196,16 @@ static int cht_int33fe_add_nodes(struct cht_int33fe_data *data)
/* The devices that are not created in this driver need extra steps. */
/*
- * There is no ACPI device node for the USB role mux, so we need to find
- * the mux device and assign our node directly to it. That means we
- * depend on the mux driver. This function will return -PROBE_DEFER
- * until the mux device is registered.
+ * There is no ACPI device node for the USB role mux, so we need to wait
+ * until the mux driver has created software node for the mux device.
+ * It means we depend on the mux driver. This function will return
+ * -EPROBE_DEFER until the mux device is registered.
*/
- ret = cht_int33fe_setup_mux(data);
- if (ret)
+ mux_ref.node = software_node_find_by_name(NULL, "intel-xhci-usb-sw");
+ if (!mux_ref.node) {
+ ret = -EPROBE_DEFER;
goto err_remove_nodes;
+ }
/*
* The DP connector does have ACPI device node. In this case we can just
diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
index 9aca5e7ce6d0..07d1b911e72f 100644
--- a/drivers/platform/x86/pmc_atom.c
+++ b/drivers/platform/x86/pmc_atom.c
@@ -422,6 +422,13 @@ static const struct dmi_system_id critclk_systems[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"),
},
},
+ {
+ .ident = "SIMATIC IPC277E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "6AV7882-0"),
+ },
+ },
{ /*sentinel*/ }
};
diff --git a/drivers/platform/x86/surfacepro3_button.c b/drivers/platform/x86/surfacepro3_button.c
index 47c6d000465a..ec515223f654 100644
--- a/drivers/platform/x86/surfacepro3_button.c
+++ b/drivers/platform/x86/surfacepro3_button.c
@@ -20,6 +20,12 @@
#define SURFACE_BUTTON_OBJ_NAME "VGBI"
#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3/4 Buttons"
+#define MSHW0040_DSM_REVISION 0x01
+#define MSHW0040_DSM_GET_OMPR 0x02 // get OEM Platform Revision
+static const guid_t MSHW0040_DSM_UUID =
+ GUID_INIT(0x6fd05c69, 0xcde3, 0x49f4, 0x95, 0xed, 0xab, 0x16, 0x65,
+ 0x49, 0x80, 0x35);
+
#define SURFACE_BUTTON_NOTIFY_TABLET_MODE 0xc8
#define SURFACE_BUTTON_NOTIFY_PRESS_POWER 0xc6
@@ -142,6 +148,44 @@ static int surface_button_resume(struct device *dev)
}
#endif
+/*
+ * Surface Pro 4 and Surface Book 2 / Surface Pro 2017 use the same device
+ * ID (MSHW0040) for the power/volume buttons. Make sure this is the right
+ * device by checking for the _DSM method and OEM Platform Revision.
+ *
+ * Returns true if the driver should bind to this device, i.e. the device is
+ * either MSWH0028 (Pro 3) or MSHW0040 on a Pro 4 or Book 1.
+ */
+static bool surface_button_check_MSHW0040(struct acpi_device *dev)
+{
+ acpi_handle handle = dev->handle;
+ union acpi_object *result;
+ u64 oem_platform_rev = 0; // valid revisions are nonzero
+
+ // get OEM platform revision
+ result = acpi_evaluate_dsm_typed(handle, &MSHW0040_DSM_UUID,
+ MSHW0040_DSM_REVISION,
+ MSHW0040_DSM_GET_OMPR,
+ NULL, ACPI_TYPE_INTEGER);
+
+ /*
+ * If evaluating the _DSM fails, the method is not present. This means
+ * that we have either MSHW0028 or MSHW0040 on Pro 4 or Book 1, so we
+ * should use this driver. We use revision 0 indicating it is
+ * unavailable.
+ */
+
+ if (result) {
+ oem_platform_rev = result->integer.value;
+ ACPI_FREE(result);
+ }
+
+ dev_dbg(&dev->dev, "OEM Platform Revision %llu\n", oem_platform_rev);
+
+ return oem_platform_rev == 0;
+}
+
+
static int surface_button_add(struct acpi_device *device)
{
struct surface_button *button;
@@ -154,6 +198,9 @@ static int surface_button_add(struct acpi_device *device)
strlen(SURFACE_BUTTON_OBJ_NAME)))
return -ENODEV;
+ if (!surface_button_check_MSHW0040(device))
+ return -ENODEV;
+
button = kzalloc(sizeof(struct surface_button), GFP_KERNEL);
if (!button)
return -ENOMEM;
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