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Thanks for your earlier reply on the X40 Henrique, I had also send this one for a T41. -------- Original Message --------
I did not see any reply to the previous message, or it appearing on the mailing list archive, so I hope it is not getting stuck in a spam filter. I also tested a ThinkPad T41 today with Radeon RV250, and it reports using brightness_mode=3 Other the that the behavior is identical to that of the X40, in that the brightness keys do not generate any events, but do work, and actual_brightness does change when using the keys. -------- Original Message --------
The latest kernel (2.6.31-rc5-git2) requests to send a report if brightness works on a ThinkPad X40 with Intel 855GM, it reports it is using brightness_mode=2 Not sure what needs to be tested, but the brightness keys work, but do not cause any HAL events by default (so no OSD). The brightness is reduced when switching to battery mode, and increased again when plugged into the mains power. Neither of these actions cause any messages in syslog, so this seems to be completely hardware managed. I checked /sys/devices/virtual/backlight/* and I can change the brightness by putting a different value into brightness. When pressing the brightness up/down buttons, the brightness file does not change, but actual_brightness does. |
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