[Bug 73252] [Baytrail-M] brightness can't be adjusted: no ASLE interrupt code

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73252

--- Comment #32 from EvaWang <evawang at linpus.com> ---
(In reply to comment #31)
> (In reply to comment #30)
> > apci_listen result is the same as before:
> > 
> > video/brightnessdown BRTDN 00000087 00000000
> > video/brightnessdown BRTDN 00000087 00000000 K
> > video/brightnessup BRTUP 00000086 00000000
> > video/brightnessup BRTUP 00000086 00000000 K
> 
> And what about the dmesg, any new lines related to brightness appeared?

[20123.114901] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20123.118474] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20123.122418] [drm:drm_mode_addfb] [FB:31]
[20123.174964] [drm:drm_mode_addfb] [FB:32]
[20123.277038] ideapad_laptop: Unknown event: 15
[20123.693979] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20124.294834] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20124.902229] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20125.496200] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20127.231195] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
400 MHz (201)
[20127.236489] [drm:valleyview_set_rps] GPU freq request from 400 MHz (201) to
844 MHz (221)
[20127.765270] [drm:drm_mode_addfb] [FB:31]
[20128.297023] ideapad_laptop: Unknown event: 15
[20128.338821] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20128.714335] [drm:drm_mode_addfb] [FB:32]
[20129.288751] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20129.889476] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)
[20130.225780] [drm:drm_mode_addfb] [FB:31]
[20130.378385] [drm:drm_mode_addfb] [FB:32]
[20130.515744] [drm:drm_mode_addfb] [FB:31]
[20130.522115] [drm:valleyview_set_rps] GPU freq request from 844 MHz (221) to
844 MHz (221)

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