On 09/17/2013 09:34 PM, Igor Gnatenko wrote: > On Tue, 2013-09-17 at 17:23 +0800, Aaron Lu wrote: >> v1 has the subject of "Rework ACPI video driver" and is posted here: >> http://lkml.org/lkml/2013/9/9/74 >> Since the objective is really to fix Win8 backlight issues, I changed >> the subject in this version, sorry about that. >> >> This patchset has three patches, the first introduced a new API named >> backlight_device_registered in backlight layer that can be used for >> backlight interface provider module to check if a specific type backlight >> interface has been registered, see changelog for patch 1/3 for details. >> Then patch 2/3 does the cleanup to sepeate the backlight control and >> event delivery functionality in the ACPI video module and patch 3/3 >> solves some Win8 backlight control problems by avoiding register ACPI >> video's backlight interface if: >> 1 Kernel cmdline option acpi_backlight=video is not given; >> 2 This is a Win8 system; >> 3 Native backlight control interface exists. >> >> Technically, patch 2/3 is not required to fix the issue here. So if you >> think it is not necessary, I can remove it from the series. >> >> Apply on top of v3.12-rc1. >> >> Aaron Lu (3): >> backlight: introduce backlight_device_registered >> ACPI / video: seperate backlight control and event interface >> ACPI / video: Do not register backlight if win8 and native interface >> exists >> >> drivers/acpi/internal.h | 5 +- >> drivers/acpi/video.c | 442 ++++++++++++++++++++---------------- >> drivers/acpi/video_detect.c | 14 +- >> drivers/video/backlight/backlight.c | 31 +++ >> include/acpi/video.h | 2 + >> include/linux/backlight.h | 4 + >> 6 files changed, 300 insertions(+), 198 deletions(-) >> > > Aaron, how about fix indicator on ThinkPads ? Can you please describe the problem in detail, is it that when you adjust brightness level through hotkey, there is no GUI indication? Thanks. -Aaron -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
