thanks, now the folder /slots does not exist? why? Am Mittwoch, 22. Juni 2016 19:31:34 UTC+2 schrieb john3909: > > /sys/devices/platform/bone_capemgr/slots > > > Regards, > John > > > > > On Jun 21, 2016, at 11:54 PM, epi kao <[email protected] <javascript:>> > wrote: > > now hdmi is working, i don't know why, i have deleted the last empty line, > and actived the second cmdline instead the first.... > > *so i am only looking for a solution regarding this "bone_capemgr.*" .... > why i cannot find this file?* > > Am Mittwoch, 22. Juni 2016 08:44:07 UTC+2 schrieb epi kao: >> >> i don't know why, but now i can find the folder /sys/devices but not >> "bone_capemgr.* >> >> root@beaglebone:/lib/firmware# cd /sys/devices/bone_capemgr.* >> -bash: cd: /sys/devices/bone_capemgr.*: *No such file or directory* >> root@beaglebone:/lib/firmware# cd /sys/devices/ >> root@beaglebone:/sys/devices# >> >> :-( and by the way uEnv.txt seems already wrong - hdmi is off (only one >> cmdline is activated) >> >> #Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0 >> >> uname_r=4.1.15-ti-rt-r43 >> #uuid= >> #dtb= >> >> ##BeagleBone Black/Green dtb's for v4.1.x (BeagleBone White just works..) >> >> ##BeagleBone Black: HDMI (Audio/Video) disabled: >> #dtb=am335x-boneblack-emmc-overlay.dtb >> >> ##BeagleBone Black: eMMC disabled: >> #dtb=am335x-boneblack-hdmi-overlay.dtb >> >> ##BeagleBone Black: HDMI Audio/eMMC disabled: >> #dtb=am335x-boneblack-nhdmi-overlay.dtb >> >> ##BeagleBone Black: HDMI (Audio/Video)/eMMC disabled: >> #dtb=am335x-boneblack-overlay.dtb >> >> ##BeagleBone Black: wl1835 >> #dtb=am335x-boneblack-wl1835mod.dtb >> >> ##BeagleBone Green: eMMC disabled >> #dtb=am335x-bonegreen-overlay.dtb >> >> #cmdline=coherent_pool=1M quiet cape_universal=enable >> >> #In the event of edid real failures, uncomment this next line: >> cmdline=coherent_pool=1M quiet cape_universal=enable >> video=HDMI-A-1:x800@400e >> >> ##Example v3.8.x >> #cape_disable=capemgr.disable_partno= >> #cape_enable=capemgr.enable_partno= >> >> ##Example v4.1.x >> #cape_disable=bone_capemgr.disable_partno= >> #cape_enable=bone_capemgr.enable_partno= >> >> ##Disable HDMI/eMMC (v3.8.x) >> >> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G >> >> ##Disable HDMI (v3.8.x) >> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN >> >> ##Disable eMMC (v3.8.x) >> #cape_disable=capemgr.disable_partno=BB-BONE-EMMC-2G >> >> ##Audio Cape (needs HDMI Audio disabled) (v3.8.x) >> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI >> #cape_enable=capemgr.enable_partno=BB-BONE-AUDI-02 >> >> >> ##enable Generic eMMC Flasher: >> ##make sure, these tools are installed: dosfstools rsync >> #cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh >> >> >> >> Am Dienstag, 21. Juni 2016 23:57:04 UTC+2 schrieb [email protected]: >>> >>> *>You need to comment out the cmdline= line that you're not using. As >>> you can only have one cmdline= statement.* >>> >>> Yes but the problem is, that this two cmdline was already entry in the >>> orginal. So thats because i have try with two. But anyway my hdmi output is >>> already off also with only one cmdline :-( >>> >>> And concerning /sys/devices, i have verified this not only with the >>> terminal, i could really not found this folder! After lib/firmware/ i could >>> not see any other folder with sys or devices?? >>> >>> >>> Am Dienstag, 21. Juni 2016 18:30:36 UTC+2 schrieb William Hermans: >>>> >>>> If you're using kernel 4.x you should stop reading anything on >>>> adafruit's web pages unless you know how to parse old outdated >>>> information. >>>> Which obviously you do not. >>>> >>>> So . . . sys/devices won't always exist. but /sys/devices should. You >>>> need the forward slash unless your current working directory is / ( or >>>> root >>>> ). When used without the precceding forward slash, Linux will only look as >>>> far as your current working directory for sys/devices/ >>>> >>>> As to your specific problem. It's because you're not paying close >>>> attention to what you're doing, and what Robert explained to you yesterday. >>>> >>>> *cmdline=coherent_pool=1M quiet cape_universal=enable* >>>> >>>> #In the event of edid real failures, uncomment this next line: >>>> >>>> >>>> *cmdline=coherent_pool=1M quiet cape_universal=enable >>>> video=HDMI-A-1:x800@400e* >>>> You need to comment out the cmdline= line that you're not using. As you >>>> can only have one cmdline= statement. >>>> >>>> >>>> On Tue, Jun 21, 2016 at 8:56 AM, epi kao <[email protected]> wrote: >>>> >>>>> >>>>> Hello all, >>>>> >>>>> *I have try to understand export/unexport overlay with following link:* >>>>> >>>>> https://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/exporting-and-unexporting-an-overlay >>>>> >>>>> But then i don't found the folder "sys/devices/" >>>>> >>>>> So i have try to remove the # at the line >>>>> #cape_disable=bone_capemgr.disable_partno= , on the uEnv.txt file. >>>>> >>>>> But after reset, the hdmi-output has switched off. >>>>> *So I have change the uEnv.txt file back to orginal, but unfortunately >>>>> the hdmi is not working anymore?? :-(* >>>>> >>>>> Please find below my current uEnv.txt file, so whats wrong now? - and >>>>> how can i access/enable overlays like the LCDcap?: >>>>> >>>>> uname_r=4.1.15-ti-rt-r43 >>>>> #uuid= >>>>> #dtb= >>>>> >>>>> ##BeagleBone Black/Green dtb's for v4.1.x (BeagleBone White just >>>>> works..) >>>>> >>>>> ##BeagleBone Black: HDMI (Audio/Video) disabled: >>>>> #dtb=am335x-boneblack-emmc-overlay.dtb >>>>> >>>>> ##BeagleBone Black: eMMC disabled: >>>>> #dtb=am335x-boneblack-hdmi-overlay.dtb >>>>> >>>>> ##BeagleBone Black: HDMI Audio/eMMC disabled: >>>>> #dtb=am335x-boneblack-nhdmi-overlay.dtb >>>>> >>>>> ##BeagleBone Black: HDMI (Audio/Video)/eMMC disabled: >>>>> #dtb=am335x-boneblack-overlay.dtb >>>>> >>>>> ##BeagleBone Black: wl1835 >>>>> #dtb=am335x-boneblack-wl1835mod.dtb >>>>> >>>>> ##BeagleBone Green: eMMC disabled >>>>> #dtb=am335x-bonegreen-overlay.dtb >>>>> >>>>> cmdline=coherent_pool=1M quiet cape_universal=enable >>>>> >>>>> #In the event of edid real failures, uncomment this next line: >>>>> cmdline=coherent_pool=1M quiet cape_universal=enable >>>>> video=HDMI-A-1:x800@400e >>>>> >>>>> ##Example v3.8.x >>>>> #cape_disable=capemgr.disable_partno= >>>>> #cape_enable=capemgr.enable_partno= >>>>> >>>>> ##Example v4.1.x >>>>> #cape_disable=bone_capemgr.disable_partno= >>>>> #cape_enable=bone_capemgr.enable_partno= >>>>> >>>>> ##Disable HDMI/eMMC (v3.8.x) >>>>> >>>>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G >>>>> >>>>> ##Disable HDMI (v3.8.x) >>>>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN >>>>> >>>>> ##Disable eMMC (v3.8.x) >>>>> #cape_disable=capemgr.disable_partno=BB-BONE-EMMC-2G >>>>> >>>>> ##Audio Cape (needs HDMI Audio disabled) (v3.8.x) >>>>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI >>>>> #cape_enable=capemgr.enable_partno=BB-BONE-AUDI-02 >>>>> >>>>> >>>>> ##enable Generic eMMC Flasher: >>>>> ##make sure, these tools are installed: dosfstools rsync >>>>> #cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh >>>>> >>>>> thanks >>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/beagleboard/34a7a95e-715f-4f64-81ed-e8f4330323aa%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/beagleboard/34a7a95e-715f-4f64-81ed-e8f4330323aa%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/7cec4a41-e48c-4fea-9289-f03a32455101%40googlegroups.com > > <https://groups.google.com/d/msgid/beagleboard/7cec4a41-e48c-4fea-9289-f03a32455101%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > >
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