Hi,
On Mon, Oct 18, 2010 at 11:07:43PM +0800, Lee, Chun-Yi wrote:
> +static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
> +{
> + /* We are looking for OEM-specific Type Aah */
> + if (header->type != ACER_DMI_DEV_TYPE_AA)
> + return;
> +
> + type_aa = (struct hotkey_function_type_aa *) header;
> +
> + printk(ACER_INFO "Function biti map for Communication Button: 0x%x\n",
> + type_aa->commun_func_bitmap);
> + if (!!(type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS))
> + interface->capability |= ACER_CAP_WIRELESS;
> + if (!!(type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG))
> + interface->capability |= ACER_CAP_THREEG;
> + if (!!(type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH))
> + interface->capability |= ACER_CAP_BLUETOOTH;
The "!!" is completely redundant here.
> +}
> +
> static acpi_status WMID_set_capabilities(void)
> {
> struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
> @@ -844,16 +875,17 @@ static acpi_status WMID_set_capabilities(void)
> return AE_ERROR;
> }
>
> - /* Not sure on the meaning of the relevant bits yet to detect these */
> - interface->capability |= ACER_CAP_WIRELESS;
> - interface->capability |= ACER_CAP_THREEG;
> + dmi_walk(type_aa_dmi_decode, NULL);
> + if (!type_aa) {
> + interface->capability |= ACER_CAP_WIRELESS;
> + interface->capability |= ACER_CAP_THREEG;
> + if (devices & 0x10)
> + interface->capability |= ACER_CAP_BLUETOOTH;
> + }
Since you are storing "type_aa" anyways it probably would be better to
set all capabilities here, in one place...
Thanks.
--
Dmitry
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