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path: root/drivers/platform/x86/ideapad-laptop.c
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Diffstat (limited to 'drivers/platform/x86/ideapad-laptop.c')
-rw-r--r--drivers/platform/x86/ideapad-laptop.c58
1 files changed, 56 insertions, 2 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 24ca9fbe31cc..527e5d9ab9bf 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -423,9 +423,43 @@ static ssize_t store_ideapad_fan(struct device *dev,
static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan);
+static ssize_t touchpad_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ideapad_private *priv = dev_get_drvdata(dev);
+ unsigned long result;
+
+ if (read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result))
+ return sprintf(buf, "-1\n");
+ return sprintf(buf, "%lu\n", result);
+}
+
+/* Switch to RO for now: It might be revisited in the future */
+static ssize_t __maybe_unused touchpad_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ideapad_private *priv = dev_get_drvdata(dev);
+ bool state;
+ int ret;
+
+ ret = kstrtobool(buf, &state);
+ if (ret)
+ return ret;
+
+ ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state);
+ if (ret < 0)
+ return -EIO;
+ return count;
+}
+
+static DEVICE_ATTR_RO(touchpad);
+
static struct attribute *ideapad_attributes[] = {
&dev_attr_camera_power.attr,
&dev_attr_fan_mode.attr,
+ &dev_attr_touchpad.attr,
NULL
};
@@ -478,7 +512,7 @@ static int ideapad_rfk_set(void *data, bool blocked)
return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked);
}
-static struct rfkill_ops ideapad_rfk_ops = {
+static const struct rfkill_ops ideapad_rfk_ops = {
.set_block = ideapad_rfk_set,
};
@@ -810,7 +844,6 @@ static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data)
case 8:
case 7:
case 6:
- case 1:
ideapad_input_report(priv, vpc_bit);
break;
case 5:
@@ -828,6 +861,13 @@ static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data)
case 0:
ideapad_check_special_buttons(priv);
break;
+ case 1:
+ /* Some IdeaPads report event 1 every ~20
+ * seconds while on battery power; some
+ * report this when changing to/from tablet
+ * mode. Squelch this event.
+ */
+ break;
default:
pr_info("Unknown event: %lu\n", vpc_bit);
}
@@ -911,6 +951,20 @@ static const struct dmi_system_id no_hw_rfkill_list[] = {
},
},
{
+ .ident = "Lenovo Legion Y520-15IKBN",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Y520-15IKBN"),
+ },
+ },
+ {
+ .ident = "Lenovo Legion Y720-15IKBN",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Y720-15IKBN"),
+ },
+ },
+ {
.ident = "Lenovo Yoga 2 11 / 13 / Pro",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),