On Mon, 4 Dec 2023 21:43:59 +0200 Petre Rodan <petre.rodan@xxxxxxxxxxxxxxx> wrote: > Adds driver for digital Honeywell TruStability HSC and SSC series > pressure and temperature sensors. > Communication is one way. The sensor only requires 4 bytes worth of > clock pulses on both i2c and spi in order to push the data out. > The i2c address is hardcoded and depends on the part number. > There is no additional GPIO control. > > Datasheet: > https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf [HSC] > Datasheet: > https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-ssc-series/documents/sps-siot-trustability-ssc-series-standard-accuracy-board-mount-pressure-sensors-50099533-a-en-ciid-151134.pdf [SSC] > Signed-off-by: Petre Rodan <petre.rodan@xxxxxxxxxxxxxxx> One trivial comment from me to add to what Andy covered. > +/* /** Looks to be valid kernel-doc. Might as well mark it as such. > + * hsc_measurement_is_valid() - validate last conversion via status bits > + * @data: structure containing instantiated sensor data > + * Return: true only if both status bits are zero > + * > + * the two MSB from the first transfered byte contain a status code > + * 00 - normal operation, valid data > + * 01 - device in factory programming mode > + * 10 - stale data > + * 11 - diagnostic condition > + */