Hi Ike,
於 五，2012-02-03 於 16:46 +0800，Ike Panhc 提到：
> We have several reports which says acer-wmi is loaded on ideapads
> and register rfkill for wifi which can not be unblocked.
>
> Since ideapad-laptop also register rfkill for wifi and it works
> reliably, it will be fine acer-wmi is not going to register rfkill
> for wifi once VPC2004 is found.
>
> Also put IBM0068/LEN0068 in the list. Though thinkpad_acpi has no
> wifi rfkill capability, there are reports which says acer-wmi also
> block wireless on Thinkpad E520/E420.
>
> Signed-off-by: Ike Panhc <ike.pan@xxxxxxxxxxxxx>
Thanks for your patch, it's good to me after tested.
Tested on Acer TravelMate 4750.
Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxx>
Thanks a lot!
Joey Lee
> ---
> drivers/platform/x86/acer-wmi.c | 30 +++++++++++++++++++++++++++++-
> 1 files changed, 29 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index b848277..1e5290b 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -679,6 +679,32 @@ static acpi_status AMW0_find_mailled(void)
> return AE_OK;
> }
>
> +static int AMW0_set_cap_acpi_check_device_found;
> +
> +static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
> + u32 level, void *context, void **retval)
> +{
> + AMW0_set_cap_acpi_check_device_found = 1;
> + return AE_OK;
> +}
> +
> +static const struct acpi_device_id norfkill_ids[] = {
> + { "VPC2004", 0},
> + { "IBM0068", 0},
> + { "LEN0068", 0},
> + { "", 0},
> +};
> +
> +static int AMW0_set_cap_acpi_check_device(void)
> +{
> + const struct acpi_device_id *id;
> +
> + for (id = norfkill_ids; id->id[0]; id++)
> + acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
> + NULL, NULL);
> + return AMW0_set_cap_acpi_check_device_found;
> +}
> +
> static acpi_status AMW0_set_capabilities(void)
> {
> struct wmab_args args;
> @@ -692,7 +718,9 @@ static acpi_status AMW0_set_capabilities(void)
> * work.
> */
> if (wmi_has_guid(AMW0_GUID2)) {
> - interface->capability |= ACER_CAP_WIRELESS;
> + if ((quirks != &quirk_unknown) ||
> + !AMW0_set_cap_acpi_check_device())
> + interface->capability |= ACER_CAP_WIRELESS;
> return AE_OK;
> }
>
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