Messages in this thread | | | Date | Sun, 26 Jul 2020 13:26:07 +0100 | From | Jonathan Cameron <> | Subject | Re: [PATCH v2 1/4] iio: cros_ec: Accept -EOPNOTSUPP as 'not supported' error code |
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On Mon, 20 Jul 2020 13:22:40 -0700 Guenter Roeck <linux@roeck-us.net> wrote:
> A follow-up patch will extend the number of errors reported by > cros_ec_cmd_xfer_status(). Specifically, the function will return > -EOPNOTSUPP if a command is not supported by the EC. Prepare for it. > > Cc: Yu-Hsuan Hsu <yuhsuan@chromium.org> > Cc: Prashant Malani <pmalani@chromium.org> > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> --- > v2: Added patch > > drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c > index a66941fdb385..e3aff95493dd 100644 > --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c > +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c > @@ -73,7 +73,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, > st->core.param.sensor_offset.flags = 0; > > ret = cros_ec_motion_send_host_cmd(&st->core, 0); > - if (ret == -EPROTO) { > + if (ret == -EPROTO || ret == -EOPNOTSUPP) { > /* Reading calibscale is not supported on older EC. */ > *val = 1; > *val2 = 0;
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