Hi Marek,
於 三，2012-06-06 於 00:52 +0200，Marek Vasut 提到：
> Dear joeyli,
>
> > 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 <marex@xxxxxxx>
> > > Cc: joeyli <jlee@xxxxxxxx>
> >
> > This patch is good to me!
>
> Thanks for your help and guidance throughout the process. Now who'll apply it
> and when can I expect it in -next or somewhere (where?)?
>
> > Acked-by: Lee, Chun-Yi <jlee@xxxxxxxx>
> >
Wait Matthew apply patch to platform driver git.
He already sent merge request to Linus and merged to v3.5-rc1 kernel.
I think need wait v3.6.
Thanks
Joey Lee
> >
> > 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);
>
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