diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-14 13:35:22 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-14 13:35:22 -0700 |
| commit | 8652892ed44914edfb488c280ccf79301fd89117 (patch) | |
| tree | 16b49cb72d4962742855ae639a82c393cbf4c158 /drivers/iio/common | |
| parent | 5551ad1e9fad2cf06288c6e93cb95f879b8cdf5e (diff) | |
| parent | ef954844c7ace62f773f4f23e28d2d915adc419f (diff) | |
| download | linux-8652892ed44914edfb488c280ccf79301fd89117.tar.bz2 | |
Merge 4.13-rc5 into staging-next
We need it here for iio fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/common')
| -rw-r--r-- | drivers/iio/common/st_sensors/st_sensors_core.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 274868100fd0..d99bb1460fe2 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -581,6 +581,31 @@ out: } EXPORT_SYMBOL(st_sensors_read_info_raw); +static int st_sensors_init_interface_mode(struct iio_dev *indio_dev, + const struct st_sensor_settings *sensor_settings) +{ + struct st_sensor_data *sdata = iio_priv(indio_dev); + struct device_node *np = sdata->dev->of_node; + struct st_sensors_platform_data *pdata; + + pdata = (struct st_sensors_platform_data *)sdata->dev->platform_data; + if (((np && of_property_read_bool(np, "spi-3wire")) || + (pdata && pdata->spi_3wire)) && sensor_settings->sim.addr) { + int err; + + err = sdata->tf->write_byte(&sdata->tb, sdata->dev, + sensor_settings->sim.addr, + sensor_settings->sim.value); + if (err < 0) { + dev_err(&indio_dev->dev, + "failed to init interface mode\n"); + return err; + } + } + + return 0; +} + int st_sensors_check_device_support(struct iio_dev *indio_dev, int num_sensors_list, const struct st_sensor_settings *sensor_settings) @@ -605,6 +630,10 @@ int st_sensors_check_device_support(struct iio_dev *indio_dev, return -ENODEV; } + err = st_sensors_init_interface_mode(indio_dev, &sensor_settings[i]); + if (err < 0) + return err; + if (sensor_settings[i].wai_addr) { err = sdata->tf->read_byte(&sdata->tb, sdata->dev, sensor_settings[i].wai_addr, &wai); |