Messages in this thread | | | Date | Wed, 22 Feb 2023 09:13:22 +0100 | Subject | Re: [PATCH v6 2/2] trigger: ledtrig-tty: add additional modes | From | Jiri Slaby <> |
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On 22. 02. 23, 8:55, Florian Eckert wrote: > Add additional modes to trigger the selected LED. > The following modes are supported: > > Tx/Rx: Flash LED on data transmission (default) > CTS: DCE Ready to accept data from the DTE. > DSR: DCE is ready to receive and send data. > CAR: DCE is receiving a carrier from a remote DTE. > RNG: DCE has detected an incoming ring signal. > > The mode can be changed for example with the following command: > echo "CTS" > /sys/class/leds/<led>/mode > > This would turn on the LED, when the DTE(modem) signals the DCE that it > is ready to accept data. > > Signed-off-by: Florian Eckert <fe@dev.tdt.de> > --- > .../ABI/testing/sysfs-class-led-trigger-tty | 16 ++ > drivers/leds/trigger/ledtrig-tty.c | 145 ++++++++++++++++-- > 2 files changed, 146 insertions(+), 15 deletions(-) > > diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-tty b/Documentation/ABI/testing/sysfs-class-led-trigger-tty > index 2bf6b24e781b..4023585d3acf 100644 > --- a/Documentation/ABI/testing/sysfs-class-led-trigger-tty > +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-tty > @@ -4,3 +4,19 @@ KernelVersion: 5.10 > Contact: linux-leds@vger.kernel.org > Description: > Specifies the tty device name of the triggering tty > + > +What: /sys/class/leds/<led>/mode > +Date: January 2023 > +KernelVersion: 6.3 > +Description: > + Specifies the operating to trigger the LED. > + The following operating modes are supported:
Here, you should add a \n. Otherwise it won't start the list properly. Check the output e.g. by: make htmldocs SPHINXDIRS="admin-guide"
then open the built result in a browser: Documentation/output/admin-guide/abi-testing.html#abi-sys-class-leds-led-mode
> + * Tx/Rx: Flash LED on data transmission (default) > + * CTS: DCE Ready to accept data from the DTE. > + LED on if line is high. > + * DSR: DCE is ready to receive and send data. > + LED on if line is high. > + * CAR: DCE has detected a carrier from a remote DTE. > + LED on if line is high. > + * RNG: DCE has detected an incoming ring signal. > + LED on if line is high.
-- js suse labs
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