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Groups > linux.kernel > #1470193
| From | Alan Stern <stern@rowland.harvard.edu> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger |
| Date | 2016-08-25 16:50 +0200 |
| Message-ID | <sa48G-2d0-21@gated-at.bofh.it> (permalink) |
| References | <s9YPD-7s8-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 25 Aug 2016, Jacek Anaszewski wrote: > I'd see it as follows: > > #cat available_ports > #1-1 1-2 2-1 > > #echo "1-1" > new_port > > #cat observed_ports > #1-1 > > #echo "2-1" > new_port > > #cat observed_ports > #1-1 2-1 > > We've already had few discussions about the sysfs designs trying > to break the one-value-per-file rule for LED class device, and > there was always strong resistance against. This scheme has multiple values in both the available_ports and observed_ports files. :-( Not that I have any better suggestions... > >> Also a description of the device connected to the port would be a nice > >> feature, however I am not certain about the feasibility thereof. > > > > What kind of description do you mean? Where should it be used / where > > should it appear? > > > > Product name/symbol. Actually it should be USB subsystem responsibility > to provide the means for querying the product name by port id, if it > is possible at all. cat /sys/bus/usb/devices/PORT/product cat /sys/bus/usb/devices/PORT/manufacturer These will work if there is a device registered under PORT. Alan Stern
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[PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 00:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 11:40 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 23:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 07:20 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-25 15:00 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Bjørn Mork <bjorn@mork.no> - 2016-08-25 21:00 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-25 23:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 23:20 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 13:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-24 14:00 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-24 13:20 +0200
[PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 20:00 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Bjørn Mork <bjorn@mork.no> - 2016-08-24 21:20 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 22:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-25 10:20 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-25 10:30 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 10:40 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-25 11:10 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Alan Stern <stern@rowland.harvard.edu> - 2016-08-25 16:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2016-08-25 20:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Alan Stern <stern@rowland.harvard.edu> - 2016-08-25 21:40 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Alan Stern <stern@rowland.harvard.edu> - 2016-08-25 22:10 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-26 18:00 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-29 10:00 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Pavel Machek <pavel@ucw.cz> - 2016-08-29 10:10 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-29 10:30 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Pavel Machek <pavel@ucw.cz> - 2016-08-29 10:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-29 11:10 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Pavel Machek <pavel@ucw.cz> - 2016-08-26 22:00 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-29 10:40 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Pavel Machek <pavel@ucw.cz> - 2016-08-26 21:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 10:50 +0200
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