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Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/bma180.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 284598d7cc94..aa7566fc031f 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -62,11 +62,8 @@
#define BMA180_LOW_NOISE 0x00
#define BMA180_LOW_POWER 0x03
-#define BMA180_LOW_NOISE_STR "low_noise"
-#define BMA180_LOW_POWER_STR "low_power"
-
/* Defaults values */
-#define BMA180_DEF_PMODE 0
+#define BMA180_DEF_PMODE false
#define BMA180_DEF_BW 20
#define BMA180_DEF_SCALE 2452
@@ -80,10 +77,10 @@ struct bma180_data {
struct i2c_client *client;
struct iio_trigger *trig;
struct mutex mutex;
- int sleep_state;
+ bool sleep_state;
int scale;
int bw;
- int pmode;
+ bool pmode;
char *buff;
};
@@ -133,7 +130,7 @@ static int bma180_reset_intr(struct bma180_data *data)
return ret;
}
-static int bma180_set_new_data_intr_state(struct bma180_data *data, int state)
+static int bma180_set_new_data_intr_state(struct bma180_data *data, bool state)
{
u8 reg_val = state ? BMA180_NEW_DATA_INT : 0x00;
int ret = i2c_smbus_write_byte_data(data->client, BMA180_CTRL_REG3,
@@ -153,7 +150,7 @@ err:
return ret;
}
-static int bma180_set_sleep_state(struct bma180_data *data, int state)
+static int bma180_set_sleep_state(struct bma180_data *data, bool state)
{
int ret = bma180_set_bits(data, BMA180_CTRL_REG0, BMA180_SLEEP, state);
@@ -167,7 +164,7 @@ static int bma180_set_sleep_state(struct bma180_data *data, int state)
return 0;
}
-static int bma180_set_ee_writing_state(struct bma180_data *data, int state)
+static int bma180_set_ee_writing_state(struct bma180_data *data, bool state)
{
int ret = bma180_set_bits(data, BMA180_CTRL_REG0, BMA180_EE_W, state);
@@ -225,7 +222,7 @@ static int bma180_set_scale(struct bma180_data *data, int val)
return -EINVAL;
}
-static int bma180_set_pmode(struct bma180_data *data, int mode)
+static int bma180_set_pmode(struct bma180_data *data, bool mode)
{
u8 reg_val = mode ? BMA180_LOW_POWER : BMA180_LOW_NOISE;
int ret = bma180_set_bits(data, BMA180_TCO_Z, BMA180_MODE_CONFIG,
@@ -275,10 +272,10 @@ static int bma180_chip_init(struct bma180_data *data)
ret = bma180_set_bits(data, BMA180_CTRL_REG0, BMA180_DIS_WAKE_UP, 1);
if (ret)
goto err;
- ret = bma180_set_ee_writing_state(data, 1);
+ ret = bma180_set_ee_writing_state(data, true);
if (ret)
goto err;
- ret = bma180_set_new_data_intr_state(data, 0);
+ ret = bma180_set_new_data_intr_state(data, false);
if (ret)
goto err;
ret = bma180_set_bits(data, BMA180_OFFSET_LSB1, BMA180_SMP_SKIP, 1);
@@ -303,11 +300,11 @@ err:
static void bma180_chip_disable(struct bma180_data *data)
{
- if (bma180_set_new_data_intr_state(data, 0))
+ if (bma180_set_new_data_intr_state(data, false))
goto err;
- if (bma180_set_ee_writing_state(data, 0))
+ if (bma180_set_ee_writing_state(data, false))
goto err;
- if (bma180_set_sleep_state(data, 1))
+ if (bma180_set_sleep_state(data, true))
goto err;
return;
@@ -410,10 +407,7 @@ static const struct iio_info bma180_info = {
.driver_module = THIS_MODULE,
};
-static const char * const bma180_power_modes[] = {
- BMA180_LOW_NOISE_STR,
- BMA180_LOW_POWER_STR,
-};
+static const char * const bma180_power_modes[] = { "low_noise", "low_power" };
static int bma180_get_power_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
@@ -633,7 +627,7 @@ static int bma180_suspend(struct device *dev)
int ret;
mutex_lock(&data->mutex);
- ret = bma180_set_sleep_state(data, 1);
+ ret = bma180_set_sleep_state(data, true);
mutex_unlock(&data->mutex);
return ret;
@@ -646,7 +640,7 @@ static int bma180_resume(struct device *dev)
int ret;
mutex_lock(&data->mutex);
- ret = bma180_set_sleep_state(data, 0);
+ ret = bma180_set_sleep_state(data, false);
mutex_unlock(&data->mutex);
return ret;