Add SPDX identifier of GPL-2.0 for the ad5933 driver.
Organize imports.
Make multi-line comments compliant with the preferred code style.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@xxxxxxxxx>
---
.../staging/iio/impedance-analyzer/ad5933.c | 30 ++++++++++---------
1 file changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 3134295f014f..d75bdfbf93de 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -1,27 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* AD5933 AD5934 Impedance Converter, Network Analyzer
*
* Copyright 2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2.
*/
-#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/sysfs.h>
+#include <linux/err.h>
#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/regulator/consumer.h>
+#include <linux/sysfs.h>
#include <linux/types.h>
-#include <linux/err.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
#include <linux/iio/buffer.h>
+#include <linux/iio/iio.h>
#include <linux/iio/kfifo_buf.h>
+#include <linux/iio/sysfs.h>
/* AD5933/AD5934 Registers */
#define AD5933_REG_CONTROL_HB 0x80 /* R/W, 1 byte */
@@ -474,7 +473,8 @@ static IIO_DEVICE_ATTR(out_voltage0_settling_cycles, 0644,
ad5933_store,
AD5933_OUT_SETTLING_CYCLES);
-/* note:
+/*
+ * note:
* ideally we would handle the scale attributes via the iio_info
* (read|write)_raw methods, however this part is a untypical since we
* don't create dedicated sysfs channel attributes for out0 and in0.
@@ -572,7 +572,8 @@ static int ad5933_ring_postenable(struct iio_dev *indio_dev)
{
struct ad5933_state *st = iio_priv(indio_dev);
- /* AD5933_CTRL_INIT_START_FREQ:
+ /*
+ * AD5933_CTRL_INIT_START_FREQ:
* High Q complex circuits require a long time to reach steady state.
* To facilitate the measurement of such impedances, this mode allows
* the user full control of the settling time requirement before
@@ -663,7 +664,8 @@ static void ad5933_work(struct work_struct *work)
}
if (status & AD5933_STAT_SWEEP_DONE) {
- /* last sample received - power down do
+ /*
+ * last sample received - power down do
* nothing until the ring enable is toggled
*/
ad5933_cmd(st, AD5933_CTRL_POWER_DOWN);
--
2.20.1
