Commit f79a9013 authored by Hans de Goede's avatar Hans de Goede Committed by Matthew Garrett

ideapad-laptop: Disable touchpad interface on Yoga models

Yoga models don't offer touchpad ctrl through the ideapad interface, causing
ideapad_sync_touchpad_state to send wrong touchpad enable/disable events.
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMatthew Garrett <matthew.garrett@nebula.com>
parent 6d6ded3b
......@@ -88,6 +88,7 @@ struct ideapad_private {
struct dentry *debug;
unsigned long cfg;
bool has_hw_rfkill_switch;
bool has_touchpad_control;
};
static bool no_bt_rfkill;
......@@ -766,6 +767,9 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
{
unsigned long value;
if (!priv->has_touchpad_control)
return;
/* Without reading from EC touchpad LED doesn't switch state */
if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) {
/* Some IdeaPads don't really turn off touchpad - they only
......@@ -840,6 +844,28 @@ static struct dmi_system_id no_hw_rfkill_list[] = {
{}
};
/*
* Some models don't offer touchpad ctrl through the ideapad interface, causing
* ideapad_sync_touchpad_state to send wrong touchpad enable/disable events.
*/
static struct dmi_system_id no_touchpad_ctrl_list[] = {
{
.ident = "Lenovo Yoga 1 series",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo IdeaPad Yoga"),
},
},
{
.ident = "Lenovo Yoga 2 11 / 13 / Pro",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"),
},
},
{}
};
static int ideapad_acpi_add(struct platform_device *pdev)
{
int ret, i;
......@@ -863,6 +889,7 @@ static int ideapad_acpi_add(struct platform_device *pdev)
priv->adev = adev;
priv->platform_device = pdev;
priv->has_hw_rfkill_switch = !dmi_check_system(no_hw_rfkill_list);
priv->has_touchpad_control = !dmi_check_system(no_touchpad_ctrl_list);
ret = ideapad_sysfs_init(priv);
if (ret)
......
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