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From: Peter Meerwald <pmeerw@pmeerw.net>
To: linux-iio@vger.kernel.org
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH 16/18] staging:iio:hmc5843: Rename _set_rate() to _set_samp_freq()
Date: Tue,  3 Sep 2013 03:05:18 +0200	[thread overview]
Message-ID: <1378170320-27538-17-git-send-email-pmeerw@pmeerw.net> (raw)
In-Reply-To: <1378170320-27538-1-git-send-email-pmeerw@pmeerw.net>

move locking inside _set() function

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
---
 drivers/staging/iio/magnetometer/hmc5843.c |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 00e2225..f37794d 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -352,12 +352,18 @@ static ssize_t hmc5843_show_samp_freq_avail(struct device *dev,
 
 static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(hmc5843_show_samp_freq_avail);
 
-static s32 hmc5843_set_rate(struct hmc5843_data *data, u8 rate)
+static int hmc5843_set_samp_freq(struct hmc5843_data *data, u8 rate)
 {
-	u8 reg_val = data->meas_conf | (rate << HMC5843_RATE_OFFSET);
+	int ret;
+
+	mutex_lock(&data->lock);
+	ret = i2c_smbus_write_byte_data(data->client, HMC5843_CONFIG_REG_A,
+		data->meas_conf | (rate << HMC5843_RATE_OFFSET));
+	if (ret >= 0)
+		data->rate = rate;
+	mutex_unlock(&data->lock);
 
-	return i2c_smbus_write_byte_data(data->client, HMC5843_CONFIG_REG_A,
-		reg_val);
+	return ret;
 }
 
 static int hmc5843_check_samp_freq(struct hmc5843_data *data,
@@ -425,13 +431,7 @@ static int hmc5843_write_raw(struct iio_dev *indio_dev,
 		if (rate < 0)
 			return -EINVAL;
 
-		mutex_lock(&data->lock);
-		ret = hmc5843_set_rate(data, rate);
-		if (ret >= 0)
-			data->rate = rate;
-		mutex_unlock(&data->lock);
-
-		return ret;
+		return hmc5843_set_samp_freq(data, rate);
 	case IIO_CHAN_INFO_CALIBSCALE:
 		range = hmc5843_check_range(data, val, val2);
 		if (range < 0)
@@ -555,7 +555,7 @@ static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = {
 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_set_samp_freq(data, HMC5843_RATE_DEFAULT);
 	hmc5843_set_mode(data, HMC5843_MODE_CONVERSION_CONTINUOUS);
 	i2c_smbus_write_byte_data(data->client, HMC5843_CONFIG_REG_B,
 		HMC5843_RANGE_GAIN_DEFAULT);
-- 
1.7.9.5


  parent reply	other threads:[~2013-09-03  1:05 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-03  1:05 [PATCH 00/18] Cleanup hmc5843 magnetometer driver in staging Peter Meerwald
2013-09-03  1:05 ` [PATCH 01/18] staging:iio:hmc5843: Fix measurement conversion Peter Meerwald
2013-09-05 19:18   ` Lars-Peter Clausen
2013-09-11 21:57     ` Jonathan Cameron
2013-09-03  1:05 ` [PATCH 02/18] staging:iio:hmc5843: Use devm_iio_device_alloc Peter Meerwald
2013-09-11 22:02   ` Jonathan Cameron
2013-09-03  1:05 ` [PATCH 03/18] staging:iio:hmc5843: Add pointer to i2c client to data struct Peter Meerwald
2013-09-11 22:07   ` Jonathan Cameron
2013-09-03  1:05 ` [PATCH 04/18] staging:iio:hmc5843: Rewrite init function Peter Meerwald
2013-09-03  1:05 ` [PATCH 05/18] staging:iio:hmc5843: Use INFO_SAMP_FREQ Peter Meerwald
2013-09-03  1:05 ` [PATCH 06/18] staging:iio:hmc5843: Remove unused LSB register #defines Peter Meerwald
2013-09-03  1:05 ` [PATCH 07/18] staging:iio:hmc5843: Tighten comments Peter Meerwald
2013-09-03  1:05 ` [PATCH 08/18] staging:iio:hmc5843: Introduce helper functions to show/check list of int pairs Peter Meerwald
2013-09-03  1:05 ` [PATCH 09/18] staging:iio:hmc5843: Use CALIBSCALE instead of magn_range Peter Meerwald
2013-09-12 21:07   ` Jonathan Cameron
2013-09-03  1:05 ` [PATCH 10/18] staging:iio:hmc5843: Always read all channels values otherwise no updates Peter Meerwald
2013-09-03  1:05 ` [PATCH 11/18] staging:iio:hmc5843: Add trigger handling Peter Meerwald
2013-09-12 22:01   ` Jonathan Cameron
2013-09-03  1:05 ` [PATCH 12/18] staging:iio:hmc5843: Fix format of MODULE_AUTHOR's email Peter Meerwald
2013-09-03  1:05 ` [PATCH 13/18] staging:iio:hmc5843: Remove ability to change operating mode Peter Meerwald
2013-09-03  1:05 ` [PATCH 14/18] staging:iio:hmc5843: Rename _configure() to _set_mode() Peter Meerwald
2013-09-03  1:05 ` [PATCH 15/18] staging:iio:hmc5843: Reorganize _set_meas_conf() Peter Meerwald
2013-09-03  1:05 ` Peter Meerwald [this message]
2013-09-03  1:05 ` [PATCH 17/18] staging:iio:hmc5843: Introduce _set_range_gain() Peter Meerwald
2013-09-03  1:05 ` [PATCH 18/18] staging:iio:hmc5843: Check initialization and chip identifier Peter Meerwald

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