Hi Carlos,
於 日，2010-11-07 於 21:54 -0700，Joey Lee 提到：
> Hi Jean,
>
> On 日, 2010-10-31 at 00:36 +0800, Lee, Chun-Yi wrote:
> > static acpi_status WMID_set_capabilities(void)
> > {
> > struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
> > @@ -844,16 +869,24 @@ 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) {
> > + 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;
> > + } else {
> > + interface->capability |= ACER_CAP_WIRELESS;
> > + interface->capability |= ACER_CAP_THREEG;
> > + if (devices & 0x10)
> > + interface->capability |= ACER_CAP_BLUETOOTH;
> > + }
> >
>
> Thank's for your review and found out cann't use a global pointer to a
> DMI record to keep track of what dmi_walk() found. I modified the patch
> like following:
>
>
> >From c8f99f9856bc79aa8f525595e5ff115f3d6c3c69 Mon Sep 17 00:00:00 2001
> From: Lee, Chun-Yi <[email protected]>
> Date: Mon, 8 Nov 2010 16:40:55 +0800
> Subject: [PATCH 4/4] Detect the WiFi/Bluetooth/3G devices available
>
> Check the Acer OEM-specific Type AA to detect the WiFi/Bluetooth/3G
> devices available or not, and set the devices capability flag.
>
> Signed-off-by: Lee, Chun-Yi <[email protected]>
> Reviewed-by: Jean Delvare <[email protected]>
> ---
> drivers/platform/x86/acer-wmi.c | 49 +++++++++++++++++++++++++++++++++-----
> 1 files changed, 42 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index 6ac4656..dc23140 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -39,6 +39,7 @@
> #include <linux/slab.h>
> #include <linux/input.h>
> #include <linux/input/sparse-keymap.h>
> +#include <linux/dmi.h>
>
> #include <acpi/acpi_drivers.h>
>
> @@ -138,7 +139,9 @@ struct lm_return_value {
> /*
> * GUID3 Get Device Status device flags
> */
> +#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
> #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
> +#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
>
> struct wmid3_gds_input_param { /* Get Device Status input parameter */
> u8 function_num; /* Function Number */
> @@ -153,6 +156,13 @@ struct wmid3_gds_return_value { /* Get Device Status
> return value*/
> u32 reserved;
> } __attribute__((packed));
>
> +struct hotkey_function_type_aa {
> + u8 type;
> + u8 length;
> + u16 handle;
> + u16 commun_func_bitmap;
> +} __attribute__((packed));
> +
> /*
> * Interface capability flags
> */
> @@ -184,6 +194,7 @@ static int brightness = -1;
> static int threeg = -1;
> static int force_series;
> static bool ec_raw_mode;
> +static bool has_type_aa;
>
> module_param(mailled, int, 0444);
> module_param(brightness, int, 0444);
> @@ -824,6 +835,28 @@ static acpi_status WMID_set_u32(u32 value, u32 cap,
> struct wmi_interface *iface)
> return WMI_execute_u32(method_id, (u32)value, NULL);
> }
>
> +static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
> +{
> + struct hotkey_function_type_aa *type_aa;
> +
> + /* We are looking for OEM-specific Type AAh */
> + if (header->type != 0xAA)
> + return;
> +
> + has_type_aa = true;
> + type_aa = (struct hotkey_function_type_aa *) header;
> +
> + printk(ACER_INFO "Function bitmap 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;
> +}
> +
> static acpi_status WMID_set_capabilities(void)
> {
> struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
> @@ -844,16 +877,17 @@ 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 (!has_type_aa) {
> + interface->capability |= ACER_CAP_WIRELESS;
> + interface->capability |= ACER_CAP_THREEG;
> + if (devices & 0x10)
> + interface->capability |= ACER_CAP_BLUETOOTH;
> + }
>
> /* WMID always provides brightness methods */
> interface->capability |= ACER_CAP_BRIGHTNESS;
>
> - if (devices & 0x10)
> - interface->capability |= ACER_CAP_BLUETOOTH;
> -
> if (!(devices & 0x20))
> max_brightness = 0x9;
>
> @@ -932,7 +966,8 @@ static void __init acer_commandline_init(void)
> * capability isn't available on the given interface
> */
> set_u32(mailled, ACER_CAP_MAILLED);
> - set_u32(threeg, ACER_CAP_THREEG);
> + if (!has_type_aa)
> + set_u32(threeg, ACER_CAP_THREEG);
> set_u32(brightness, ACER_CAP_BRIGHTNESS);
> }
>
Could you please give me any suggestion for the acer-wmi patches 1/4 -
4/4?
Does those patches good enough for you to merge to mainline?
Thank's a lot!
Joey Lee
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