diff options
| -rw-r--r-- | drivers/platform/x86/lenovo/ymc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/platform/x86/lenovo/ymc.c b/drivers/platform/x86/lenovo/ymc.c index 015e046b0fce..df96107d2501 100644 --- a/drivers/platform/x86/lenovo/ymc.c +++ b/drivers/platform/x86/lenovo/ymc.c @@ -28,6 +28,22 @@ static bool force; module_param(force, bool, 0444); MODULE_PARM_DESC(force, "Force loading on boards without a convertible DMI chassis-type"); +static const struct dmi_system_id lenovo_ymc_nosupport_dmi_table[] = { + { + /* + * Yoga Book 9 14IAH10: SW_TABLET_MODE is reported by the + * yb9-kbdock driver. Suppress lenovo-ymc on this machine to + * avoid userspace seeing two input nodes that both advertise + * the SW_TABLET_MODE capability. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "83KJ"), + }, + }, + { } +}; + static const struct dmi_system_id allowed_chasis_types_dmi_table[] = { { .matches = { @@ -107,6 +123,9 @@ static int lenovo_ymc_probe(struct wmi_device *wdev, const void *ctx) struct input_dev *input_dev; int err; + if (dmi_check_system(lenovo_ymc_nosupport_dmi_table)) + return -ENODEV; + if (!dmi_check_system(allowed_chasis_types_dmi_table)) { if (force) dev_info(&wdev->dev, "Force loading Lenovo YMC support\n"); |