On Fri 2016-07-15 09:40:52, Pali Rohár wrote: > On Friday 15 July 2016 09:32:14 Pavel Machek wrote: > > Hi! > > > > Documentation says that load/leds are only visible in the load mode, > > but that does not seem to be true (kernel 4.4.0 on N900). > > > > # 1) Legacy interface - enginex_mode, enginex_load and enginex_leds > > # Control interface for the engines: > > # x is 1 .. 3 > > # enginex_mode : disabled, load, run > > # enginex_load : microcode load (visible only in load mode) > > # enginex_leds : led mux control (visible only in load mode) > > > > pavel@n900:/sys/class/leds/lp5523:r/device$ ls -al engine* > > -rw-r--r-- 1 root root 4096 Jul 6 22:47 engine1_leds > > --w------- 1 root root 4096 Jul 6 22:47 engine1_load > > -rw-r--r-- 1 root root 4096 Jul 6 23:41 engine1_mode > > -rw-r--r-- 1 root root 4096 Jul 6 22:47 engine2_leds > > --w------- 1 root root 4096 Jul 6 22:47 engine2_load > > -rw-r--r-- 1 root root 4096 Jul 6 23:41 engine2_mode > > -rw-r--r-- 1 root root 4096 Jul 6 22:47 engine3_leds > > --w------- 1 root root 4096 Jul 6 22:47 engine3_load > > -rw-r--r-- 1 root root 4096 Jul 6 22:47 engine3_mode > > pavel@n900:/sys/class/leds/lp5523:r/device$ grep . engine*mode > > engine1_mode:run > > engine2_mode:load > > engine3_mode:run > > pavel@n900:/sys/class/leds/lp5523:r/device$ > > On 2.6.28 kernel is present only legacy interface and for this version > is above documentation correct. When engine is in "run" or "disabled", > then sysfs nodes _load and _leds are invisible. Well, I don't think 2.6.28 is suitable kernel to compare against... and I don't think hiding sysfs attributes makes any sense. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
