From 8e2e2971b0f7135db305121efbcf703c79c4c093 Mon Sep 17 00:00:00 2001 From: Peter Meerwald Date: Thu, 19 Sep 2013 20:35:00 +0100 Subject: [PATCH] staging:iio:hmc5843: Rewrite init function Signed-off-by: Peter Meerwald Signed-off-by: Jonathan Cameron --- drivers/staging/iio/magnetometer/hmc5843.c | 34 ++++++++++++------------------ 1 file changed, 13 insertions(+), 21 deletions(-) diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index 05f95d0..5817474 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -78,6 +78,7 @@ enum hmc5843_ids { * HMC5883: Typical data output rate */ #define HMC5843_RATE_OFFSET 0x02 +#define HMC5843_RATE_DEFAULT 0x04 #define HMC5843_RATE_BITMASK 0x1C #define HMC5843_RATE_NOT_USED 0x07 @@ -599,23 +600,13 @@ static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = { }, }; -/* Called when we have found a new HMC58X3 */ -static void hmc5843_init_client(struct i2c_client *client, - const struct i2c_device_id *id) +static void hmc5843_init(struct hmc5843_data *data) { - struct iio_dev *indio_dev = i2c_get_clientdata(client); - struct hmc5843_data *data = iio_priv(indio_dev); - - data->variant = &hmc5843_chip_info_tbl[id->driver_data]; - indio_dev->channels = data->variant->channels; - indio_dev->num_channels = 3; - hmc5843_set_meas_conf(data, data->meas_conf); - hmc5843_set_rate(data, data->rate); - hmc5843_configure(client, data->operating_mode); - i2c_smbus_write_byte_data(client, HMC5843_CONFIG_REG_B, data->range); - mutex_init(&data->lock); - - pr_info("%s initialized\n", id->name); + hmc5843_set_meas_conf(data, HMC5843_MEAS_CONF_NORMAL); + hmc5843_set_rate(data, HMC5843_RATE_DEFAULT); + hmc5843_configure(data->client, HMC5843_MODE_CONVERSION_CONTINUOUS); + i2c_smbus_write_byte_data(data->client, HMC5843_CONFIG_REG_B, + HMC5843_RANGE_GAIN_DEFAULT); } static const struct iio_info hmc5843_info = { @@ -638,17 +629,18 @@ static int hmc5843_probe(struct i2c_client *client, /* default settings at probe */ data = iio_priv(indio_dev); data->client = client; - data->meas_conf = HMC5843_MEAS_CONF_NORMAL; - data->range = HMC5843_RANGE_GAIN_DEFAULT; - data->operating_mode = HMC5843_MODE_CONVERSION_CONTINUOUS; + data->variant = &hmc5843_chip_info_tbl[id->driver_data]; + mutex_init(&data->lock); i2c_set_clientdata(client, indio_dev); - hmc5843_init_client(client, id); - indio_dev->info = &hmc5843_info; indio_dev->name = id->name; indio_dev->dev.parent = &client->dev; indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = data->variant->channels; + indio_dev->num_channels = 3; + + hmc5843_init(data); err = iio_device_register(indio_dev); if (err) -- 2.7.4