linux-kernel - Re: [PATCH v2] iio: imu: inv_mpu6050: fix an error code problem in inv_mpu6050_read

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Message-ID: <20231101100019.00004be7@Huawei.com>
Date:   Wed, 1 Nov 2023 10:00:19 +0000
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Su Hui <suhui@...china.com>
CC:     Jonathan Cameron <jic23@...nel.org>, <lars@...afoo.de>,
        <jean-baptiste.maneyrol@....com>, <andy.shevchenko@...il.com>,
        <chenhuiz@...s.com>, <linux-iio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH v2] iio: imu: inv_mpu6050: fix an error code problem in
 inv_mpu6050_read_raw

On Mon, 30 Oct 2023 10:10:05 +0800
Su Hui <suhui@...china.com> wrote:

> On 2023/10/27 21:59, Jonathan Cameron wrote:
> > On Mon, 23 Oct 2023 12:05:52 +0800
> > Su Hui <suhui@...china.com> wrote:
> >  
> >> inv_mpu6050_sensor_show() can return -EINVAL or IIO_VAL_INT. Return the
> >> true value rather than only return IIO_VAL_INT.
> >>
> >> Signed-off-by: Su Hui <suhui@...china.com>  
> > If you can figure out a fixes tag that would be great.  Just reply to this thread
> > with it and I'll pick it up from here.  
> Oh, I just send a v3 patch, sorry....
> Fixes: d5098447147c ("iio: imu: mpu6050: add calibration offset support")
That works too!

Thanks,

J
> >> ---
> >> v2:
> >>   - fix the error of commit title.
> >> v1:
> >>   - https://lore.kernel.org/all/20231020091413.205743-2-suhui@nfschina.com/
> >>   drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 4 ++--
> >>   1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> >> index 29f906c884bd..a9a5fb266ef1 100644
> >> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> >> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> >> @@ -749,13 +749,13 @@ inv_mpu6050_read_raw(struct iio_dev *indio_dev,
> >>   			ret = inv_mpu6050_sensor_show(st, st->reg->gyro_offset,
> >>   						chan->channel2, val);
> >>   			mutex_unlock(&st->lock);
> >> -			return IIO_VAL_INT;
> >> +			return ret;
> >>   		case IIO_ACCEL:
> >>   			mutex_lock(&st->lock);
> >>   			ret = inv_mpu6050_sensor_show(st, st->reg->accl_offset,
> >>   						chan->channel2, val);
> >>   			mutex_unlock(&st->lock);
> >> -			return IIO_VAL_INT;
> >> +			return ret;
> >>   
> >>   		default:
> >>   			return -EINVAL;  
>