Messages in this thread | | | Subject | Re: [PATCH] platform/x86: thinkpad_acpi: disable bluetooth for some machines | From | Jiaxun Yang <> | Date | Fri, 8 Mar 2019 09:14:24 +0800 |
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在 2019/3/8 上午7:14, Mario.Limonciello@dell.com 写道: > -----Original Message----- >> From: platform-driver-x86-owner@vger.kernel.org <platform-driver-x86- >> owner@vger.kernel.org> On Behalf Of Jiaxun Yang >> Sent: Thursday, March 7, 2019 2:08 AM >> To: ibm-acpi@hmh.eng.br >> Cc: dvhart@infradead.org; andy@infradead.org; ibm-acpi- >> devel@lists.sourceforge.net; platform-driver-x86@vger.kernel.org; linux- >> kernel@vger.kernel.org; stable@vger.kernel.org; Jiaxun Yang >> Subject: [PATCH] platform/x86: thinkpad_acpi: disable bluetooth for some >> machines >> >> >> [EXTERNAL EMAIL] >> >> Some AMD based ThinkPads have a firmware bug that calling >> "GBDC" will cause bluetooth on Intel wireless cards blocked.
Hi,
Thanks for your suggestions.
> Since this is considered a firmware bug; has the OEM (and IBV) been notified? Is it > fixed in a newer version of the firmware? No. I've noticed them about the bug but they said these models have no official Linux support so no plan to fix. > If so, then this should probably only match particular broken firmware versions. Disable bluetooth subdriver on these models should be safe since Intel cards have built-in RFKill and there is no bluetooth hotkey on these machines. >> Probe these models by DMI match and disable bluetooth subdriver >> if specified Intel wireless card exist. >> >> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> >> ---
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Jiaxun Yang
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