Re: [PATCH] iio: hid: fix the retval in [accel|gyro]_3d_capture_sample

[Dmitry Perchanov <dmitry.perchanov@intel.com>]

On Sun, 2023-01-08 at 12:32 +0000, Jonathan Cameron wrote:
> On Sun, 8 Jan 2023 12:24:34 +0000
> Jonathan Cameron <jic23@kernel.org> wrote:
> 
> > On Mon, 02 Jan 2023 20:51:27 +0200
> > Dmitry Perchanov <dmitry.perchanov@intel.com> wrote:
> > 
> > > From d12f607f83c0bdae6529d8cfbb0cf17f8920c380 Mon Sep 17 00:00:00 2001
> > > From: Dmitry Perchanov <dmitry.perchanov@intel.com>
> > > Date: Tue, 13 Dec 2022 17:44:01 +0200
> > > Subject: [PATCH] iio: hid: fix the retval in [accel|gyro]_3d_capture_sample
> 
> This block shouldn't be here in the email.
> 
> > > 
> > > Return value should be zero for success.
> > > This was forgotten for timestamp feature.
> > > Verified on RealSense cameras.
> > > 
> > > Signed-off-by: Dmitry Perchanov <dmitry.perchanov@intel.com>  
> > 
> > Hi Dmitry,
> > 
> > I've taken this as it stands (needed to do a bit of hand editing to get
> > git to accept your email).  However, if you fancy doing some cleanup
> > it would be better still if these functions just returned directly in each
> > arm of the switch statement.  Drop the final return and the compiler
> > will moan if any path is not covered...
> > 
> > Applied to the fixes-togreg branch of iio.git and marked for stable inclusion.
> 
> Actually, whilst applying I tried to add a fixes tag with the assumption these
> were probably both added at a similar time.  Unfortunately not (one was 2021,
> the other 2016).
> 
> As such I've dropped the patch.  Could you resend this as two separate patches, with
> fixes tags as appropriate.
> Fixes: 4648cbd8fb92 ("iio: hid-sensor-gyro-3d: Add timestamp channel")
> Fixes: a96cd0f901ee ("iio: accel: hid-sensor-accel-3d: Add timestamp")
> 
I will resend two separate patches.

Thanks,

Dmitry

> This is a fix we definitely want backported, so making it easy to do is important.
> 
> Thanks,
> 
> Jonathan
> 
> 
> 
> > 
> > Thanks,
> > 
> > Jonathan
> > 
> > > ---
> > >  drivers/iio/accel/hid-sensor-accel-3d.c | 1 +
> > >  drivers/iio/gyro/hid-sensor-gyro-3d.c   | 1 +
> > >  2 files changed, 2 insertions(+)
> > > 
> > > diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
> > > index a2def6f93..5eac7ea19 100644
> > > --- a/drivers/iio/accel/hid-sensor-accel-3d.c
> > > +++ b/drivers/iio/accel/hid-sensor-accel-3d.c
> > > @@ -280,6 +280,7 @@ static int accel_3d_capture_sample(struct hid_sensor_hub_device *hsdev,
> > >  			hid_sensor_convert_timestamp(
> > >  					&accel_state->common_attributes,
> > >  					*(int64_t *)raw_data);
> > > +		ret = 0;
> > >  	break;
> > >  	default:
> > >  		break;
> > > diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
> > > index 8f0ad022c..698c50da1 100644
> > > --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
> > > +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
> > > @@ -231,6 +231,7 @@ static int gyro_3d_capture_sample(struct hid_sensor_hub_device *hsdev,
> > >  		gyro_state->timestamp =
> > >  			hid_sensor_convert_timestamp(&gyro_state->common_attributes,
> > >  						     *(s64 *)raw_data);
> > > +		ret = 0;
> > >  	break;
> > >  	default:
> > >  		break;  
> 
> 

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