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path: root/drivers/staging/iio/light/tsl2583.c
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Diffstat (limited to 'drivers/staging/iio/light/tsl2583.c')
-rw-r--r--drivers/staging/iio/light/tsl2583.c48
1 files changed, 20 insertions, 28 deletions
diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
index b377dd3b76ad..f8c659568c38 100644
--- a/drivers/staging/iio/light/tsl2583.c
+++ b/drivers/staging/iio/light/tsl2583.c
@@ -493,9 +493,9 @@ static ssize_t taos_power_state_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
if (value == 0)
@@ -536,9 +536,9 @@ static ssize_t taos_gain_store(struct device *dev,
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct tsl2583_chip *chip = iio_priv(indio_dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
switch (value) {
@@ -582,9 +582,9 @@ static ssize_t taos_als_time_store(struct device *dev,
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct tsl2583_chip *chip = iio_priv(indio_dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
if ((value < 50) || (value > 650))
@@ -619,9 +619,9 @@ static ssize_t taos_als_trim_store(struct device *dev,
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct tsl2583_chip *chip = iio_priv(indio_dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
if (value)
@@ -644,9 +644,9 @@ static ssize_t taos_als_cal_target_store(struct device *dev,
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct tsl2583_chip *chip = iio_priv(indio_dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
if (value)
@@ -671,9 +671,9 @@ static ssize_t taos_do_calibrate(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- unsigned long value;
+ int value;
- if (strict_strtoul(buf, 0, &value))
+ if (kstrtoint(buf, 0, &value))
return -EINVAL;
if (value == 1)
@@ -815,12 +815,9 @@ static int taos_probe(struct i2c_client *clientp,
return -EOPNOTSUPP;
}
- indio_dev = iio_device_alloc(sizeof(*chip));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- dev_err(&clientp->dev, "iio allocation failed\n");
- goto fail1;
- }
+ indio_dev = devm_iio_device_alloc(&clientp->dev, sizeof(*chip));
+ if (!indio_dev)
+ return -ENOMEM;
chip = iio_priv(indio_dev);
chip->client = clientp;
i2c_set_clientdata(clientp, indio_dev);
@@ -835,14 +832,14 @@ static int taos_probe(struct i2c_client *clientp,
if (ret < 0) {
dev_err(&clientp->dev, "i2c_smbus_write_bytes() to cmd "
"reg failed in taos_probe(), err = %d\n", ret);
- goto fail2;
+ return ret;
}
ret = i2c_smbus_read_byte(clientp);
if (ret < 0) {
dev_err(&clientp->dev, "i2c_smbus_read_byte from "
"reg failed in taos_probe(), err = %d\n", ret);
- goto fail2;
+ return ret;
}
buf[i] = ret;
}
@@ -850,14 +847,14 @@ static int taos_probe(struct i2c_client *clientp,
if (!taos_tsl258x_device(buf)) {
dev_info(&clientp->dev, "i2c device found but does not match "
"expected id in taos_probe()\n");
- goto fail2;
+ return -EINVAL;
}
ret = i2c_smbus_write_byte(clientp, (TSL258X_CMD_REG | TSL258X_CNTRL));
if (ret < 0) {
dev_err(&clientp->dev, "i2c_smbus_write_byte() to cmd reg "
"failed in taos_probe(), err = %d\n", ret);
- goto fail2;
+ return ret;
}
indio_dev->info = &tsl2583_info;
@@ -867,7 +864,7 @@ static int taos_probe(struct i2c_client *clientp,
ret = iio_device_register(indio_dev);
if (ret) {
dev_err(&clientp->dev, "iio registration failed\n");
- goto fail2;
+ return ret;
}
/* Load up the V2 defaults (these are hard coded defaults for now) */
@@ -878,10 +875,6 @@ static int taos_probe(struct i2c_client *clientp,
dev_info(&clientp->dev, "Light sensor found.\n");
return 0;
-fail1:
- iio_device_free(indio_dev);
-fail2:
- return ret;
}
#ifdef CONFIG_PM_SLEEP
@@ -926,7 +919,6 @@ static SIMPLE_DEV_PM_OPS(taos_pm_ops, taos_suspend, taos_resume);
static int taos_remove(struct i2c_client *client)
{
iio_device_unregister(i2c_get_clientdata(client));
- iio_device_free(i2c_get_clientdata(client));
return 0;
}