Re: [PATCH] ACPI: blacklist Win8 OSI for some Dell laptop models

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On Monday, September 15, 2014 11:56:12 AM Edward Lin wrote:
> The wireless hotkey of those machines does not work with Win8 OSI.
> Due to insufficient documentation for the driver implementation,
> blacklist those machines as a workaround.
> 
> "audo wake on after shutdown" bug on Dell Inspiron 7737 is fixed by BIOS[1].
> But this machine still suffers the hotkey issue. So keep the quirk for the
> wireless hotkey issue.
> 
> [1]:
> http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=MJWNX
> 
> Signed-off-by: Edward Lin <yidi.lin@xxxxxxxxxxxxx>

Queued up for 3.18, thanks!

> ---
>  drivers/acpi/blacklist.c | 36 ++++++++++++++++++++++++++++++++++--
>  1 file changed, 34 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> index 36eb42e..ed122e1 100644
> --- a/drivers/acpi/blacklist.c
> +++ b/drivers/acpi/blacklist.c
> @@ -247,8 +247,8 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
>  	},
>  
>  	/*
> -	 * These machines will power on immediately after shutdown when
> -	 * reporting the Windows 2012 OSI.
> +	 * The wireless hotkey does not work on those machines when
> +	 * returning true for _OSI("Windows 2012")
>  	 */
>  	{
>  	.callback = dmi_disable_osi_win8,
> @@ -258,6 +258,38 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
>  		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
>  		},
>  	},
> +	{
> +	.callback = dmi_disable_osi_win8,
> +	.ident = "Dell Inspiron 7537",
> +	.matches = {
> +		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
> +		},
> +	},
> +	{
> +	.callback = dmi_disable_osi_win8,
> +	.ident = "Dell Inspiron 5437",
> +	.matches = {
> +		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
> +		},
> +	},
> +	{
> +	.callback = dmi_disable_osi_win8,
> +	.ident = "Dell Inspiron 3437",
> +	.matches = {
> +		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
> +		},
> +	},
> +	{
> +	.callback = dmi_disable_osi_win8,
> +	.ident = "Dell Vostro 3446",
> +	.matches = {
> +		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
> +		},
> +	},
>  
>  	/*
>  	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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