Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-15 Thread Rafael J. Wysocki
On Thursday, June 11, 2015 02:13:55 PM Hans de Goede wrote: Hi, On 11-06-15 13:10, Jani Nikula wrote: On Thu, 11 Jun 2015, Hans de Goede hdego...@redhat.com wrote: Hi, On 11-06-15 03:43, Aaron Lu wrote: On Tue, Jun 09, 2015 at 11:54:45PM +0200, Hans de Goede wrote: Hi, On

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-11 Thread Hans de Goede
Hi, On 11-06-15 03:43, Aaron Lu wrote: On Tue, Jun 09, 2015 at 11:54:45PM +0200, Hans de Goede wrote: Hi, On 06/09/2015 11:10 AM, Aaron Lu wrote: On Tue, Jun 09, 2015 at 10:32:25AM +0200, Hans de Goede wrote: On some systems acpi-video backlight is broken in the sense that it cannot control

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-11 Thread Jani Nikula
On Thu, 11 Jun 2015, Hans de Goede hdego...@redhat.com wrote: Hi, On 11-06-15 03:43, Aaron Lu wrote: On Tue, Jun 09, 2015 at 11:54:45PM +0200, Hans de Goede wrote: Hi, On 06/09/2015 11:10 AM, Aaron Lu wrote: On Tue, Jun 09, 2015 at 10:32:25AM +0200, Hans de Goede wrote: On some systems

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-11 Thread Hans de Goede
Hi, On 11-06-15 13:10, Jani Nikula wrote: On Thu, 11 Jun 2015, Hans de Goede hdego...@redhat.com wrote: Hi, On 11-06-15 03:43, Aaron Lu wrote: On Tue, Jun 09, 2015 at 11:54:45PM +0200, Hans de Goede wrote: Hi, On 06/09/2015 11:10 AM, Aaron Lu wrote: On Tue, Jun 09, 2015 at 10:32:25AM

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-10 Thread Aaron Lu
On Tue, Jun 09, 2015 at 11:54:45PM +0200, Hans de Goede wrote: Hi, On 06/09/2015 11:10 AM, Aaron Lu wrote: On Tue, Jun 09, 2015 at 10:32:25AM +0200, Hans de Goede wrote: On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-09 Thread Aaron Lu
On Tue, Jun 09, 2015 at 10:32:25AM +0200, Hans de Goede wrote: On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but it must still be called on resume to power-up the backlight after resume. All the video module does on resume

[PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-09 Thread Hans de Goede
On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but it must still be called on resume to power-up the backlight after resume. This commit allows these systems to work by going through all the usual backlight control moves, while

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-09 Thread Jani Nikula
On Tue, 09 Jun 2015, Hans de Goede hdego...@redhat.com wrote: On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but it must still be called on resume to power-up the backlight after resume. This commit allows these systems to

Re: [PATCH v2] acpi-video: Add a parameter to not register the backlight sysfs interface

2015-06-09 Thread Hans de Goede
Hi, On 06/09/2015 11:10 AM, Aaron Lu wrote: On Tue, Jun 09, 2015 at 10:32:25AM +0200, Hans de Goede wrote: On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but it must still be called on resume to power-up the backlight after