[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-22 Thread Aaron Lu
On 01/21/2014 08:11 PM, Matthew Garrett wrote: > On Tue, 2014-01-21 at 13:32 +0800, Aaron Lu wrote: >> On 01/21/2014 11:17 AM, Matthew Garrett wrote: >>> We know that Windows 8 graphics drivers don't use the ACPI interface, >>> and that systems change their behaviour as a result, in some cases

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-21 Thread Aaron Lu
On 01/21/2014 11:17 AM, Matthew Garrett wrote: > On Tue, 2014-01-21 at 10:24 +0800, Aaron Lu wrote: >> On 01/20/2014 09:34 PM, Matthew Garrett wrote: >>> On Mon, 2014-01-20 at 16:12 +0800, Aaron Lu wrote: >>> 1 remove the win8 OSI check, I've seen win7 laptops that also needs to have

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-21 Thread Matthew Garrett
On Tue, 2014-01-21 at 13:32 +0800, Aaron Lu wrote: > On 01/21/2014 11:17 AM, Matthew Garrett wrote: > > We know that Windows 8 graphics drivers don't use the ACPI interface, > > and that systems change their behaviour as a result, in some cases with > > absolutely no way for the ACPI interface

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-21 Thread Aaron Lu
On 01/20/2014 09:34 PM, Matthew Garrett wrote: > On Mon, 2014-01-20 at 16:12 +0800, Aaron Lu wrote: > >> 1 remove the win8 OSI check, I've seen win7 laptops that also needs to >> have only the GPU interface left and checking win8 doesn't make much >> sense now; > > Are we sure that those

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-21 Thread Matthew Garrett
On Tue, 2014-01-21 at 10:24 +0800, Aaron Lu wrote: > On 01/20/2014 09:34 PM, Matthew Garrett wrote: > > On Mon, 2014-01-20 at 16:12 +0800, Aaron Lu wrote: > > > >> 1 remove the win8 OSI check, I've seen win7 laptops that also needs to > >> have only the GPU interface left and checking win8

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-20 Thread Aaron Lu
Hi Igor, On 01/18/2014 09:54 PM, Igor Gnatenko wrote: > From: Aaron Lu > > Some system's ACPI video backlight control interface is broken and the > native backlight control interface should be used by default. This patch > sets the use_native_backlight parameter to true for those systems so >

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-20 Thread Matthew Garrett
On Mon, 2014-01-20 at 16:12 +0800, Aaron Lu wrote: > 1 remove the win8 OSI check, I've seen win7 laptops that also needs to > have only the GPU interface left and checking win8 doesn't make much > sense now; Are we sure that those aren't simply some other bug? -- Matthew Garrett

[PATCH v3] ACPI / video: Add systems that should favor native backlight interface

2014-01-18 Thread Igor Gnatenko
From: Aaron Lu Some system's ACPI video backlight control interface is broken and the native backlight control interface should be used by default. This patch sets the use_native_backlight parameter to true for those systems so that video backlight control interface will not