On 22 July 2015 15:55:53 BST, Joo Aun Saw <jasaw@xxxxxxxxxxx> wrote: >Hi, > >I'm new to this mailing list and I'm new to IIO, so please forgive me >if I ask silly questions. I haven't got time follow the latest >development in IIO. > >I'm using iio_utils tool in my program and noticed build_channel_array >function assumes "offset" file to be present under the IIO device. The >issue is, not all IIO devices provide an "offset" file. I'm using ST >accel, magn, and gyro drivers, and there's no "offset" file. Is offset >supposed to be optional? Yes. That function should probably be checking for the -ENOENT return value and setting the offset to 0 rather than faulting out. Scale isn't required either and for some devices such a proximity sensors is not well defined (depends on the reflectance of the target) Hatmut, I missed this when reviewing your patch adding error handling back in May (I think...) 53118557b6a9c263e4a80825da367b2116529541 > > >Joo. >-- >To unsubscribe from this list: send the line "unsubscribe linux-iio" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html