diff options
Diffstat (limited to 'drivers/platform/x86/intel-hid.c')
| -rw-r--r-- | drivers/platform/x86/intel-hid.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index f470279c4c10..d1a01311c1a2 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -25,6 +25,7 @@ #include <linux/acpi.h> #include <linux/suspend.h> #include <acpi/acpi_bus.h> +#include <linux/dmi.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alex Hung"); @@ -73,6 +74,24 @@ static const struct key_entry intel_array_keymap[] = { { KE_END }, }; +static const struct dmi_system_id button_array_table[] = { + { + .ident = "Wacom MobileStudio Pro 13", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Wacom Co.,Ltd"), + DMI_MATCH(DMI_PRODUCT_NAME, "Wacom MobileStudio Pro 13"), + }, + }, + { + .ident = "Wacom MobileStudio Pro 16", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Wacom Co.,Ltd"), + DMI_MATCH(DMI_PRODUCT_NAME, "Wacom MobileStudio Pro 16"), + }, + }, + { } +}; + struct intel_hid_priv { struct input_dev *input_dev; struct input_dev *array; @@ -263,10 +282,27 @@ wakeup: ev_index); } +static bool button_array_present(struct platform_device *device) +{ + acpi_handle handle = ACPI_HANDLE(&device->dev); + unsigned long long event_cap; + acpi_status status; + bool supported = false; + + status = acpi_evaluate_integer(handle, "HEBC", NULL, &event_cap); + if (ACPI_SUCCESS(status) && (event_cap & 0x20000)) + supported = true; + + if (dmi_check_system(button_array_table)) + supported = true; + + return supported; +} + static int intel_hid_probe(struct platform_device *device) { acpi_handle handle = ACPI_HANDLE(&device->dev); - unsigned long long event_cap, mode; + unsigned long long mode; struct intel_hid_priv *priv; acpi_status status; int err; @@ -299,8 +335,7 @@ static int intel_hid_probe(struct platform_device *device) } /* Setup 5 button array */ - status = acpi_evaluate_integer(handle, "HEBC", NULL, &event_cap); - if (ACPI_SUCCESS(status) && (event_cap & 0x20000)) { + if (button_array_present(device)) { dev_info(&device->dev, "platform supports 5 button array\n"); err = intel_button_array_input_setup(device); if (err) |