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Groups > linux.kernel > #1308179
| From | Pali Rohár <pali.rohar@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight |
| Date | 2016-01-13 10:00 +0100 |
| Message-ID | <qQprA-5DL-5@gated-at.bofh.it> (permalink) |
| References | <qJj7z-1O0-1@gated-at.bofh.it> <qPQ0O-6AV-9@gated-at.bofh.it> <qPQk9-6HH-1@gated-at.bofh.it> <qPQWT-7fk-19@gated-at.bofh.it> <qQf8T-6R1-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tuesday 12 January 2016 22:58:04 Pavel Machek wrote: > Hi! > > On Mon 2016-01-11 21:03:01, Pali Rohár wrote: > > On Monday 11 January 2016 20:28:00 Henrique de Moraes Holschuh wrote > > > The two features are not the same (and are handled differently by the > > > firmware, for whatever reason), although they do serve the same > > > purpose. I don't think a thinkpad will ever have both features at > > > the same time, so I have no idea why they changed the firmware > > > interface. > > > > Maybe we should decide if ::kbd_backlight LED suffix could be used also > > for other LED devices and not only for those which are physically under > > the keyboard. > > Another problem is that N900 has _6_ backlight LEDs. Named > lp5523::kb1..6. ... Which does means desktop software will probably > not pick them up :-(. > > I guess we could have "/sys/class/kbd_light/brightness" that would > control all of them with one write. Probably... But there is problem that lp5523 is not ordinary on/off light, it can be programmed to execute own "light" application. > Next question is.. apparently there are some keyboards that have > per-key RGB backlight... but maybe we can just call that "weird > enough" and ignore... First we need to defines stable kernel ABI for keyboard backlight. And I suggest to use existing convention used by upower/console-kit and other userspace apps... -- Pali Rohár pali.rohar@gmail.com
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Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pavel Machek <pavel@ucw.cz> - 2016-01-04 21:20 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pali Rohár <pali.rohar@gmail.com> - 2016-01-04 21:30 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pali Rohár <pali.rohar@gmail.com> - 2016-01-04 21:50 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-09 18:40 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-09 18:50 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Darren Hart <dvhart@infradead.org> - 2016-01-11 20:10 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-11 20:30 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pali Rohár <pali.rohar@gmail.com> - 2016-01-11 21:10 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Johannes Stezenbach <js@sig21.net> - 2016-01-11 22:20 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-12 17:10 +0100
Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: Add support for keyboard backlight Yves-Alexis Perez <corsac@debian.org> - 2016-01-12 17:30 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Johannes Stezenbach <js@sig21.net> - 2016-01-12 17:40 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-12 19:00 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Johannes Stezenbach <js@sig21.net> - 2016-01-12 23:10 +0100
Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: Add support for keyboard backlight Kevin Locke <kevin@kevinlocke.name> - 2016-01-12 19:20 +0100
Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-12 19:30 +0100
Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: Add support for keyboard backlight Kevin Locke <kevin@kevinlocke.name> - 2016-01-12 19:40 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-12 17:10 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pavel Machek <pavel@ucw.cz> - 2016-01-12 23:00 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pali Rohár <pali.rohar@gmail.com> - 2016-01-13 10:00 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pavel Machek <pavel@ucw.cz> - 2016-01-13 20:10 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Pavel Machek <pavel@ucw.cz> - 2016-01-13 20:20 +0100
Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: Add support for keyboard backlight Yves-Alexis Perez <corsac@debian.org> - 2016-01-11 23:50 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Darren Hart <dvhart@infradead.org> - 2016-01-12 18:00 +0100
Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2016-01-12 19:00 +0100
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