Hi Vaclav,
於 三，2012-03-14 於 03:01 +0000，Vaclav Mocek 提到：
> Hi all,
>
> I am an unhappy owner of Lenovo Ideapad S205 and the drivers in the
> current development kernel (2f1c2b8) soft-blocks its Wi-Fi. S205 loads
> two kernel modules - ideapad-laptop.c and acer-wmi.c. The rfkill is
> controlled by acer-wmi.c and there is already a support for S205:
>
> {
> .callback = dmi_matched,
> .ident = "Lenovo Ideapad S205",
> .matches = {
> DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
> },
> .driver_data = &quirk_lenovo_ideapad_s205,
> },
>
> Unfortunately, my netbook has a different DMI_PRODUCT_NAME - "Brazos"
> instead of "10382LG" and there are at least eighteen possibilities [1].
> I spent some time Googling, comparing Smolt profiles, reading S205
> Hardware Maintenance Manual [2] and analysing the BIOS updates. It
> seems, that all S205 are based on AMD platform called "Inagua" (E300,
> E350, E450), use two types of Wi-Fi cards (RaLink RT3090 and AR9285),
> various combination of SO DIMMs (2 x 1GB, 1 x 2GB, 2 x 2GB), different
> sizes of hardrives and different keyboard layouts; so overall there are
> pretty much the same.
>
> There is a rare netbook called Lenovo Ideapad S205s ("s" at the end),
> but this one is based on Intel's processors [3].
>
> My proposal is very simple:
>
> {
> .callback = dmi_matched,
> .ident = "Lenovo Ideapad S205",
> .matches = {
> DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
> + DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad S205"),
> },
> .driver_data = &quirk_lenovo_ideapad_s205,
> },
>
> It works. We are not able to test all product names and if the checking
> of DMI_PRODUCT_NAME is really required, it should be done in an
> additional step. The current situation is pretty bad - problems with
> UEFI booting (the only possibility)[4], impossibility to switch the
> power off, failing brightness control - and without a functional network
> connection for a start, it is better to throw it out of the window.
>
> [1]
> http://smolt.fedoraproject.org/reports/view_profiles?profile=Ideapad+S205&search=Submit+Query
> [2] http://www.manualowl.com/m/Lenovo/IdeaPad-S205/Manual/192357
> [3] http://www.manualowl.com/m/Lenovo/IdeaPad-S205s/Manual/227621
> [4]
> http://fedoraproject.org/wiki/Common_F16_bugs#UEFI_install_to_Lenovo_Ideapad_S205_fails_to_boot
>
>
> Best Regards
>
> Vaclav Mocek
>
>
Thanks for your investigation!
I don't want change the dmi config for the already works machine, but
add your S205 "Brazos" to table is ok.
Actually, that will be better ideapad-laptop driver can take care this
machine.
If you want, Please kindly try this patch.
Thanks a lot!
Joey Lee
>From 02a341b8142f71190c09a1a4fe509922b8f055c4 Mon Sep 17 00:00:00 2001
From: "Lee, Chun-Yi" <[email protected]>
Date: Fri, 16 Mar 2012 12:31:08 +0800
Subject: [PATCH] acer-wmi: add support Lenovo Ideapad S205 Brazos
acer-wmi: add support Lenovo Ideapad S205 Brazos
Signed-off-by: Lee, Chun-Yi <[email protected]>
---
drivers/platform/x86/acer-wmi.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 1e5290b..f158956 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -468,6 +468,15 @@ static struct dmi_system_id acer_quirks[] = {
},
{
.callback = dmi_matched,
+ .ident = "Lenovo Ideapad S205",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
+ },
+ .driver_data = &quirk_lenovo_ideapad_s205,
+ },
+ {
+ .callback = dmi_matched,
.ident = "Lenovo 3000 N200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
--
1.7.7
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