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author | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 13:26:45 +0400 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 13:26:45 +0400 |
commit | 9e294427f6e427dbaf46140303acded06365f53c (patch) | |
tree | 0669100cbd79fe8612463900171c98873d8dc454 /drivers/iio/magnetometer/mag3110.c | |
parent | 23600969ff137cf4c3bc9098f77e381de334e3f7 (diff) | |
parent | fa389e220254c69ffae0d403eac4146171062d08 (diff) | |
download | linux-9e294427f6e427dbaf46140303acded06365f53c.tar.xz |
Merge tag 'v3.14-rc6' into devel
Linux 3.14-rc6
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); |