Messages in this thread | | | Subject | Re: [PATCH v3 2/5] w1_therm: adding sysfs entry to check device power | From | Akira shimahara <> | Date | Thu, 30 Apr 2020 12:34:03 +0200 |
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Hello,
Le mercredi 29 avril 2020 à 18:18 +0300, Evgeniy Polyakov a écrit : > Hi > > > > 29.04.2020, 16:47, "Greg KH" <greg@kroah.com>: > > > > > > +What: /sys/bus/w1/devices/.../w1_slave > > > +Date: Apr 2020 > > > +Contact: Akira Shimahara <akira215corp@gmail.com> > > > +Description: > > > + (RW) return the temperature in 1/1000 degC. > > > + *read*: return 2 lines with the hexa output data sent on the > > > + bus, return the CRC check and temperature in 1/1000 degC > > the w1_slave file returns a temperature??? > > And sysfs is 1 value-per-file, not multiple lines. > > > It was 'content crc' previously, and probably a good idea would be to > add just one file with 'content'
That's the purpose of the new sysfs entry 'temperature'. It only content temperature. As already mentionned we have to keep the w1_slave entry for compatibility purpose, all existing user application parse this file.
I submitted the patch series yesterday night, splitting it in 9 patches.
Regards,
Akira Shimahara
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