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| author | Russell King | 2014-04-04 01:33:49 +0200 |
|---|---|---|
| committer | Russell King | 2014-04-04 01:33:49 +0200 |
| commit | bce5669be3a8946952258a064ef26defeb887138 (patch) | |
| tree | 117386b9909882c000f822011c5ea6fdcbab3273 /drivers/iio/magnetometer/mag3110.c | |
| parent | Merge branches 'amba', 'fixes', 'misc', 'mmci', 'unstable/omap-dma' and 'unst... (diff) | |
| parent | Merge branch 'uprobes-v7' of git://git.linaro.org/people/dave.long/linux into... (diff) | |
| download | kernel-qcow2-linux-bce5669be3a8946952258a064ef26defeb887138.tar.gz kernel-qcow2-linux-bce5669be3a8946952258a064ef26defeb887138.tar.xz kernel-qcow2-linux-bce5669be3a8946952258a064ef26defeb887138.zip | |
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'drivers/iio/magnetometer/mag3110.c')
| -rw-r--r-- | drivers/iio/magnetometer/mag3110.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index 4b65b6d3bdb1..f66955fb3509 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -106,7 +106,7 @@ static ssize_t mag3110_show_int_plus_micros(char *buf, while (n-- > 0) len += scnprintf(buf + len, PAGE_SIZE - len, - "%d.%d ", vals[n][0], vals[n][1]); + "%d.%06d ", vals[n][0], vals[n][1]); /* replace trailing space by newline */ buf[len - 1] = '\n'; @@ -154,6 +154,9 @@ static int mag3110_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + if (iio_buffer_enabled(indio_dev)) + return -EBUSY; + switch (chan->type) { case IIO_MAGN: /* in 0.1 uT / LSB */ ret = mag3110_read(data, buffer); @@ -199,6 +202,9 @@ static int mag3110_write_raw(struct iio_dev *indio_dev, struct mag3110_data *data = iio_priv(indio_dev); int rate; + if (iio_buffer_enabled(indio_dev)) + return -EBUSY; + switch (mask) { case IIO_CHAN_INFO_SAMP_FREQ: rate = mag3110_get_samp_freq_index(data, val, val2); |