於 五，2012-06-01 於 19:11 +0200，Marek Vasut 提到： > This device is present on Iconia Tab W500. > > Signed-off-by: Marek Vasut <[email protected]> > Cc: joeyli <[email protected]>
This patch is good to me! Acked-by: Lee, Chun-Yi <[email protected]> Thanks a lot! Joey Lee > --- > drivers/platform/x86/acer-wmi.c | 138 > +++++++++++++++++++++++++++++++++++++++ > 1 file changed, 138 insertions(+) > > diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c > index c1a3fd8..edb6bad 100644 > --- a/drivers/platform/x86/acer-wmi.c > +++ b/drivers/platform/x86/acer-wmi.c > @@ -95,6 +95,7 @@ MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); > > enum acer_wmi_event_ids { > WMID_HOTKEY_EVENT = 0x1, > + WMID_ACCEL_EVENT = 0x5, > }; > > static const struct key_entry acer_wmi_keymap[] = { > @@ -130,6 +131,7 @@ static const struct key_entry acer_wmi_keymap[] = { > }; > > static struct input_dev *acer_wmi_input_dev; > +static struct input_dev *acer_wmi_accel_dev; > > struct event_return_value { > u8 function; > @@ -200,6 +202,7 @@ struct hotkey_function_type_aa { > #define ACER_CAP_BLUETOOTH (1<<2) > #define ACER_CAP_BRIGHTNESS (1<<3) > #define ACER_CAP_THREEG (1<<4) > +#define ACER_CAP_ACCEL (1<<5) > #define ACER_CAP_ANY (0xFFFFFFFF) > > /* > @@ -1375,6 +1378,60 @@ static void acer_backlight_exit(void) > } > > /* > + * Accelerometer device > + */ > +static acpi_handle gsensor_handle; > + > +static int acer_gsensor_init(void) > +{ > + acpi_status status; > + struct acpi_buffer output; > + union acpi_object out_obj; > + > + output.length = sizeof(out_obj); > + output.pointer = &out_obj; > + status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output); > + if (ACPI_FAILURE(status)) > + return -1; > + > + return 0; > +} > + > +static int acer_gsensor_open(struct input_dev *input) > +{ > + return acer_gsensor_init(); > +} > + > +static int acer_gsensor_event(void) > +{ > + acpi_status status; > + struct acpi_buffer output; > + union acpi_object out_obj[5]; > + > + if (!has_cap(ACER_CAP_ACCEL)) > + return -1; > + > + output.length = sizeof(out_obj); > + output.pointer = out_obj; > + > + status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output); > + if (ACPI_FAILURE(status)) > + return -1; > + > + if (out_obj->package.count != 4) > + return -1; > + > + input_report_abs(acer_wmi_accel_dev, ABS_X, > + (s16)out_obj->package.elements[0].integer.value); > + input_report_abs(acer_wmi_accel_dev, ABS_Y, > + (s16)out_obj->package.elements[1].integer.value); > + input_report_abs(acer_wmi_accel_dev, ABS_Z, > + (s16)out_obj->package.elements[2].integer.value); > + input_sync(acer_wmi_accel_dev); > + return 0; > +} > + > +/* > * Rfkill devices > */ > static void acer_rfkill_update(struct work_struct *ignored); > @@ -1649,6 +1706,9 @@ static void acer_wmi_notify(u32 value, void *context) > 1, true); > } > break; > + case WMID_ACCEL_EVENT: > + acer_gsensor_event(); > + break; > default: > pr_warn("Unknown function number - %d - %d\n", > return_value.function, return_value.key_num); > @@ -1734,6 +1794,74 @@ static int acer_wmi_enable_lm(void) > return status; > } > > +static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level, > + void *ctx, void **retval) > +{ > + *(acpi_handle *)retval = ah; > + return AE_OK; > +} > + > +static int __init acer_wmi_get_handle(const char *name, const char *prop, > + acpi_handle *ah) > +{ > + acpi_status status; > + acpi_handle handle; > + > + BUG_ON(!name || !ah); > + > + handle = 0; > + status = acpi_get_devices(prop, acer_wmi_get_handle_cb, > + (void *)name, &handle); > + > + if (ACPI_SUCCESS(status)) { > + *ah = handle; > + return 0; > + } else { > + return -ENODEV; > + } > +} > + > +static int __init acer_wmi_accel_setup(void) > +{ > + int err; > + > + err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle); > + if (err) > + return err; > + > + interface->capability |= ACER_CAP_ACCEL; > + > + acer_wmi_accel_dev = input_allocate_device(); > + if (!acer_wmi_accel_dev) > + return -ENOMEM; > + > + acer_wmi_accel_dev->open = acer_gsensor_open; > + > + acer_wmi_accel_dev->name = "Acer BMA150 accelerometer"; > + acer_wmi_accel_dev->phys = "wmi/input1"; > + acer_wmi_accel_dev->id.bustype = BUS_HOST; > + acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS); > + input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0); > + input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0); > + input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0); > + > + err = input_register_device(acer_wmi_accel_dev); > + if (err) > + goto err_free_dev; > + > + return 0; > + > +err_free_dev: > + input_free_device(acer_wmi_accel_dev); > + return err; > +} > + > +static void acer_wmi_accel_destroy(void) > +{ > + input_unregister_device(acer_wmi_accel_dev); > + input_free_device(acer_wmi_accel_dev); > +} > + > static int __init acer_wmi_input_setup(void) > { > acpi_status status; > @@ -1889,6 +2017,9 @@ static int acer_platform_resume(struct platform_device > *device) > if (has_cap(ACER_CAP_BRIGHTNESS)) > set_u32(data->brightness, ACER_CAP_BRIGHTNESS); > > + if (has_cap(ACER_CAP_ACCEL)) > + acer_gsensor_init(); > + > return 0; > } > > @@ -2066,6 +2197,8 @@ static int __init acer_wmi_init(void) > return err; > } > > + acer_wmi_accel_setup(); > + > err = platform_driver_register(&acer_platform_driver); > if (err) { > pr_err("Unable to register platform driver\n"); > @@ -2109,6 +2242,8 @@ error_device_alloc: > error_platform_register: > if (wmi_has_guid(ACERWMID_EVENT_GUID)) > acer_wmi_input_destroy(); > + if (has_cap(ACER_CAP_ACCEL)) > + acer_wmi_accel_destroy(); > > return err; > } > @@ -2118,6 +2253,9 @@ static void __exit acer_wmi_exit(void) > if (wmi_has_guid(ACERWMID_EVENT_GUID)) > acer_wmi_input_destroy(); > > + if (has_cap(ACER_CAP_ACCEL)) > + acer_wmi_accel_destroy(); > + > remove_sysfs(acer_platform_device); > remove_debugfs(); > platform_device_unregister(acer_platform_device); -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
