On Sun, 2017-04-02 at 11:59 +0100, Jonathan Cameron wrote: > On 28/03/17 22:55, Srinivas Pandruvada wrote: > > HID sensor hubs using Integrated Senor Hub (ISH) has added > > capability to > > support batch mode. This allows host processor to go to sleep for > > extended > > duration, while the sensor hub is storing samples in its internal > > buffers. > > [...] > > hid_sensor_get_report_latency(iio_trigger_get_drvdata(indio_dev- > > >trig)); > > + if (latency < 0) > > + return latency; > > + > > + return sprintf(buf, "%d\n", latency / 1000); > > Seems to me that you'll be wanting latencies of sub one second > sometimes... > hence I'd make this fixed point. The core IIO functions should be > available > to help with conversion if you want to use them. Correct. We want latency less than 1 second too, which is granularity for poll() system call. So we should be in this case should be able to enter 0.5 for 500 milliseconds using hwfifo_timeout. Thanks, Srinivas -- 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
