Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1400937
| From | Crestez Dan Leonard <leonard.crestez@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/3] iio: st_sensors: Disable DRDY at init time |
| Date | 2016-05-13 20:50 +0200 |
| Message-ID | <ryqjU-Jw-9@gated-at.bofh.it> (permalink) |
| References | <ryqjU-Jw-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This fixes odd behavior after reboot.
The fact that we set the device to powerdown mode is not sufficient to
prevent DRDY being active because we might still have an unread sample.
Even if powerdown was sufficient keeping DRDY disabled while trigger is
not active is a good idea.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Giuseppe Barba <giuseppe.barba@st.com>
Cc: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
---
drivers/iio/common/st_sensors/st_sensors_core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 928ee68..9e59c90 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -363,6 +363,11 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
if (err < 0)
return err;
+ /* Disable DRDY, this might be still be enabled after reboot. */
+ err = st_sensors_set_dataready_irq(indio_dev, false);
+ if (err < 0)
+ return err;
+
if (sdata->current_fullscale) {
err = st_sensors_set_fullscale(indio_dev,
sdata->current_fullscale->num);
--
2.5.5
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 1/3] iio: st_sensors: Init trigger before irq request Crestez Dan Leonard <leonard.crestez@intel.com> - 2016-05-13 20:50 +0200
[PATCH 3/3] iio: st_sensors: Use level interrupts Crestez Dan Leonard <leonard.crestez@intel.com> - 2016-05-13 20:50 +0200
Re: [PATCH 3/3] iio: st_sensors: Use level interrupts Jonathan Cameron <jic23@kernel.org> - 2016-05-14 18:20 +0200
Re: [PATCH 3/3] iio: st_sensors: Use level interrupts Linus Walleij <linus.walleij@linaro.org> - 2016-05-24 13:50 +0200
Re: [PATCH 3/3] iio: st_sensors: Use level interrupts Crestez Dan Leonard <leonard.crestez@intel.com> - 2016-05-24 14:40 +0200
Re: [PATCH 3/3] iio: st_sensors: Use level interrupts Jonathan Cameron <jic23@kernel.org> - 2016-05-29 21:30 +0200
[PATCH 2/3] iio: st_sensors: Disable DRDY at init time Crestez Dan Leonard <leonard.crestez@intel.com> - 2016-05-13 20:50 +0200
Re: [PATCH 2/3] iio: st_sensors: Disable DRDY at init time Jonathan Cameron <jic23@kernel.org> - 2016-05-14 19:00 +0200
Re: [PATCH 2/3] iio: st_sensors: Disable DRDY at init time Linus Walleij <linus.walleij@linaro.org> - 2016-05-24 13:30 +0200
Re: [PATCH 2/3] iio: st_sensors: Disable DRDY at init time Jonathan Cameron <jic23@kernel.org> - 2016-05-29 21:30 +0200
Re: [PATCH 1/3] iio: st_sensors: Init trigger before irq request Jonathan Cameron <jic23@kernel.org> - 2016-05-14 19:00 +0200
Re: [PATCH 1/3] iio: st_sensors: Init trigger before irq request Linus Walleij <linus.walleij@linaro.org> - 2016-05-24 13:30 +0200
Re: [PATCH 1/3] iio: st_sensors: Init trigger before irq request Crestez Dan Leonard <leonard.crestez@intel.com> - 2016-05-24 14:40 +0200
Re: [PATCH 1/3] iio: st_sensors: Init trigger before irq request Linus Walleij <linus.walleij@linaro.org> - 2016-05-25 00:00 +0200
Re: [PATCH 1/3] iio: st_sensors: Init trigger before irq request Jonathan Cameron <jic23@kernel.org> - 2016-05-29 21:30 +0200
csiph-web