diff options
Diffstat (limited to 'drivers/iio/pressure/zpa2326.c')
| -rw-r--r-- | drivers/iio/pressure/zpa2326.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c index 421e059d1f19..9db1c94dfc18 100644 --- a/drivers/iio/pressure/zpa2326.c +++ b/drivers/iio/pressure/zpa2326.c @@ -64,7 +64,7 @@ #include <linux/iio/trigger.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "zpa2326.h" /* 200 ms should be enough for the longest conversion time in one-shot mode. */ @@ -162,7 +162,7 @@ bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg) return false; } } -EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_writeable, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_writeable, "IIO_ZPA2326"); bool zpa2326_isreg_readable(struct device *dev, unsigned int reg) { @@ -191,7 +191,7 @@ bool zpa2326_isreg_readable(struct device *dev, unsigned int reg) return false; } } -EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_readable, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_readable, "IIO_ZPA2326"); bool zpa2326_isreg_precious(struct device *dev, unsigned int reg) { @@ -204,7 +204,7 @@ bool zpa2326_isreg_precious(struct device *dev, unsigned int reg) return false; } } -EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_precious, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_precious, "IIO_ZPA2326"); /** * zpa2326_enable_device() - Enable device, i.e. get out of low power mode. @@ -586,6 +586,8 @@ static int zpa2326_fill_sample_buffer(struct iio_dev *indio_dev, } sample; int err; + memset(&sample, 0, sizeof(sample)); + if (test_bit(0, indio_dev->active_scan_mask)) { /* Get current pressure from hardware FIFO. */ err = zpa2326_dequeue_pressure(indio_dev, &sample.pressure); @@ -649,7 +651,7 @@ const struct dev_pm_ops zpa2326_pm_ops = { SET_RUNTIME_PM_OPS(zpa2326_runtime_suspend, zpa2326_runtime_resume, NULL) }; -EXPORT_SYMBOL_NS_GPL(zpa2326_pm_ops, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_pm_ops, "IIO_ZPA2326"); /** * zpa2326_resume() - Request the PM layer to power supply the device. @@ -861,13 +863,13 @@ static int zpa2326_wait_oneshot_completion(const struct iio_dev *indio_dev, struct zpa2326_private *private) { unsigned int val; - long timeout; + long time_left; zpa2326_dbg(indio_dev, "waiting for one shot completion interrupt"); - timeout = wait_for_completion_interruptible_timeout( + time_left = wait_for_completion_interruptible_timeout( &private->data_ready, ZPA2326_CONVERSION_JIFFIES); - if (timeout > 0) + if (time_left > 0) /* * Interrupt handler completed before timeout: return operation * status. @@ -877,10 +879,10 @@ static int zpa2326_wait_oneshot_completion(const struct iio_dev *indio_dev, /* Clear all interrupts just to be sure. */ regmap_read(private->regmap, ZPA2326_INT_SOURCE_REG, &val); - if (!timeout) { + if (!time_left) { /* Timed out. */ zpa2326_warn(indio_dev, "no one shot interrupt occurred (%ld)", - timeout); + time_left); return -ETIME; } @@ -1698,7 +1700,7 @@ poweroff: return err; } -EXPORT_SYMBOL_NS_GPL(zpa2326_probe, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_probe, "IIO_ZPA2326"); void zpa2326_remove(const struct device *parent) { @@ -1709,7 +1711,7 @@ void zpa2326_remove(const struct device *parent) zpa2326_sleep(indio_dev); zpa2326_power_off(indio_dev, iio_priv(indio_dev)); } -EXPORT_SYMBOL_NS_GPL(zpa2326_remove, IIO_ZPA2326); +EXPORT_SYMBOL_NS_GPL(zpa2326_remove, "IIO_ZPA2326"); MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>"); MODULE_DESCRIPTION("Core driver for Murata ZPA2326 pressure sensor"); |