staging:iio:hmc5843: Rename _configure() to _set_mode()

and be consistent with other setter functions in that first argument
is hmc5843_data

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 5204b9a..d7ace70 100644 (file)
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -131,12 +131,18 @@ struct hmc5843_data {
 };
 
 /* The lower two bits contain the current conversion mode */
-static s32 hmc5843_configure(struct i2c_client *client,
-                                      u8 operating_mode)
+static s32 hmc5843_set_mode(struct hmc5843_data *data, u8 operating_mode)
 {
-       return i2c_smbus_write_byte_data(client,
-                                       HMC5843_MODE_REG,
+       int ret;
+
+       mutex_lock(&data->lock);
+       ret = i2c_smbus_write_byte_data(data->client, HMC5843_MODE_REG,
                                        operating_mode & HMC5843_MODE_MASK);
+       if (ret >= 0)
+               data->operating_mode = operating_mode;
+       mutex_unlock(&data->lock);
+
+       return ret;
 }
 
 static int hmc5843_wait_measurement(struct hmc5843_data *data)
@@ -495,7 +501,7 @@ static void hmc5843_init(struct hmc5843_data *data)
 {
        hmc5843_set_meas_conf(data, HMC5843_MEAS_CONF_NORMAL);
        hmc5843_set_rate(data, HMC5843_RATE_DEFAULT);
-       hmc5843_configure(data->client, HMC5843_MODE_CONVERSION_CONTINUOUS);
+       hmc5843_set_mode(data, HMC5843_MODE_CONVERSION_CONTINUOUS);
        i2c_smbus_write_byte_data(data->client, HMC5843_CONFIG_REG_B,
                HMC5843_RANGE_GAIN_DEFAULT);
 }
@@ -562,7 +568,7 @@ static int hmc5843_remove(struct i2c_client *client)
        iio_triggered_buffer_cleanup(indio_dev);
 
         /*  sleep mode to save power */
-       hmc5843_configure(client, HMC5843_MODE_SLEEP);
+       hmc5843_set_mode(iio_priv(indio_dev), HMC5843_MODE_SLEEP);
 
        return 0;
 }
@@ -570,9 +576,10 @@ static int hmc5843_remove(struct i2c_client *client)
 #ifdef CONFIG_PM_SLEEP
 static int hmc5843_suspend(struct device *dev)
 {
-       hmc5843_configure(to_i2c_client(dev), HMC5843_MODE_SLEEP);
+       struct hmc5843_data *data = iio_priv(i2c_get_clientdata(
+               to_i2c_client(dev)));
 
-       return 0;
+       return hmc5843_set_mode(data, HMC5843_MODE_SLEEP);
 }
 
 static int hmc5843_resume(struct device *dev)
@@ -580,9 +587,7 @@ static int hmc5843_resume(struct device *dev)
        struct hmc5843_data *data = iio_priv(i2c_get_clientdata(
                to_i2c_client(dev)));
 
-       hmc5843_configure(data->client, data->operating_mode);
-
-       return 0;
+       return hmc5843_set_mode(data, HMC5843_MODE_CONVERSION_CONTINUOUS);
 }
 
 static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, hmc5843_suspend, hmc5843_resume);