Messages in this thread | | | Date | Wed, 08 Jun 2016 09:17:47 +0200 | From | Jacek Anaszewski <> | Subject | Re: [PATCH] iio: light: gp2ap020a00f: use iio helper function to lock direct mode |
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Hi Alison,
On 06/08/2016 02:19 AM, Alison Schofield wrote: > Replace the code that guarantees the device stays in direct mode > with iio_device_claim_direct_mode() which does same. Includes a > tiny bit of refactoring (single case -> if) and simplified return > flow. > > Signed-off-by: Alison Schofield <amsfield22@gmail.com> > Cc: Daniel Baluta <daniel.baluta@gmail.com> > --- > drivers/iio/light/gp2ap020a00f.c | 18 +++++------------- > 1 file changed, 5 insertions(+), 13 deletions(-) > > diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c > index 6d41086..af73af3 100644 > --- a/drivers/iio/light/gp2ap020a00f.c > +++ b/drivers/iio/light/gp2ap020a00f.c > @@ -1287,22 +1287,14 @@ static int gp2ap020a00f_read_raw(struct iio_dev *indio_dev, > struct gp2ap020a00f_data *data = iio_priv(indio_dev); > int err = -EINVAL; > > - mutex_lock(&data->lock); > - > - switch (mask) { > - case IIO_CHAN_INFO_RAW: > - if (iio_buffer_enabled(indio_dev)) { > - err = -EBUSY; > - goto error_unlock; > - } > + if (mask == IIO_CHAN_INFO_RAW) { > + err = iio_device_claim_direct_mode(indio_dev); > + if (err) > + return err; > > err = gp2ap020a00f_read_channel(data, chan, val); > - break; > + iio_device_release_direct_mode(indio_dev); > } > - > -error_unlock: > - mutex_unlock(&data->lock); > - > return err < 0 ? err : IIO_VAL_INT; > } > >
Nice patch.
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
-- Best regards, Jacek Anaszewski
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