From: Peter Meerwald <pmeerw@pmeerw.net>
To: linux-iio@vger.kernel.org
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH v2 13/15] staging:iio:hmc5843: Rename _set_rate() to _set_samp_freq()
Date: Thu, 19 Sep 2013 21:35:58 +0200 [thread overview]
Message-ID: <1379619360-8150-14-git-send-email-pmeerw@pmeerw.net> (raw)
In-Reply-To: <1379619360-8150-1-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 abbddc4..3c3a3dd 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -348,12 +348,18 @@ 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,
@@ -421,13 +427,7 @@ 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)
@@ -542,7 +542,7 @@ 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);
--
1.8.4
next prev parent reply other threads:[~2013-09-19 19:36 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-19 19:35 [PATCH v2 00/15] staging:iio:hmc5843 cleanup Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 01/15] staging:iio:hmc5843: Add pointer to i2c client to data struct Peter Meerwald
2013-09-21 10:46 ` Jonathan Cameron
2013-10-01 9:40 ` Jonathan Cameron
2013-10-01 8:44 ` Peter Meerwald
2013-10-01 10:10 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 02/15] staging:iio:hmc5843: Rewrite init function Peter Meerwald
2013-10-01 9:41 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 03/15] staging:iio:hmc5843: Use INFO_SAMP_FREQ Peter Meerwald
2013-10-01 9:44 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 04/15] staging:iio:hmc5843: Remove unused LSB register #defines Peter Meerwald
2013-10-01 9:55 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 05/15] staging:iio:hmc5843: Tighten comments Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 06/15] staging:iio:hmc5843: Introduce helper functions to show/check list of int pairs Peter Meerwald
2013-10-01 9:55 ` Jonathan Cameron
2013-10-01 9:58 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 07/15] staging:iio:hmc5843: Use CALIBSCALE instead of magn_range Peter Meerwald
2013-09-20 19:57 ` Jonathan Cameron
2013-09-20 20:12 ` Peter Meerwald
2013-09-20 21:54 ` Jonathan Cameron
2013-09-19 19:35 ` [PATCH v2 08/15] staging:iio:hmc5843: Always read all channels values otherwise no updates Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 09/15] staging:iio:hmc5843: Add trigger handling Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 10/15] staging:iio:hmc5843: Remove ability to change operating mode Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 11/15] staging:iio:hmc5843: Rename _configure() to _set_mode() Peter Meerwald
2013-09-19 19:35 ` [PATCH v2 12/15] staging:iio:hmc5843: Reorganize _set_meas_conf() Peter Meerwald
2013-09-19 19:35 ` Peter Meerwald [this message]
2013-09-19 19:35 ` [PATCH v2 14/15] staging:iio:hmc5843: Introduce _set_range_gain() Peter Meerwald
2013-09-19 19:36 ` [PATCH v2 15/15] staging:iio:hmc5843: Check initialization and chip identifier Peter Meerwald
2013-09-20 20:05 ` [PATCH v2 00/15] staging:iio:hmc5843 cleanup Jonathan Cameron
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