On Friday 03 June 2016 06:59 PM, Guenter Roeck wrote:
On 06/03/2016 03:06 AM, Jonathan Cameron wrote:
On 01/06/16 13:34, Laxman Dewangan wrote:
The INA3221 is a three-channel, high-side current and bus voltage
monitor
with an I2C interface from Texas Instruments. The INA3221 monitors both
shunt voltage drops and bus supply voltages in addition to having
programmable conversion times and averaging modes for these signals.
The INA3221 offers both critical and warning alerts to detect multiple
programmable out-of-range conditions for each channel.
Add support for INA3221 SW driver via IIO ADC interface. The device is
register as iio-device and provides interface for voltage/current
and power
monitor. Also provide interface for setting oneshot/continuous mode and
critical/warning threshold for the shunt voltage drop.
Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
Hi Laxman,
As ever with any driver lying on the border of IIO and hwmon, please
include
a short justification of why you need an IIO driver and also cc the
hwmon list + maintainers. (cc'd on this reply).
I simply won't take a driver where the hwmon maintainers aren't happy.
As it stands I'm not seeing obvious reasons in the code for why this
should be an IIO device.
Me not either.
I have a hwmon driver for the same chip pending from Andrew Davis (TI)
which I am just about to accept. We had directed Andrew back in April
to write a hwmon driver for the chip, which he did.
Thanks Guenter, I found the series
[PATCH v2 0/2] Add support for INA3221 Triple Current/Voltage Monitors
Looks fine to me. I can use the hwmon.
However, some of the stuff from my patch are not there which I will add later once original patch applied:
- Dynamic mode changes for continuous and one-shot from sysfs.
- In one shot, when try to read voltage data, do conversion and then read.
Not sure whether exporting the following will help or not. Can you please confirm?
- Oversampling time i.e. average sample
- conversion time for bus voltage and shunt voltage if default is not suited for system.
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