diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:17 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:17 +0000 |
| commit | 9db5397d87fc212863d4750c85ff8b9a6ed42b95 (patch) | |
| tree | 1bd4e8854203c575eabaa99e2c509f8886065733 /drivers/iio/magnetometer/rm3100-core.c | |
| parent | Adding upstream version 6.1.76. (diff) | |
| download | linux-upstream/6.1.82.tar.xz linux-upstream/6.1.82.zip | |
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/magnetometer/rm3100-core.c')
| -rw-r--r-- | drivers/iio/magnetometer/rm3100-core.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c index 699382044..42b70cd42 100644 --- a/drivers/iio/magnetometer/rm3100-core.c +++ b/drivers/iio/magnetometer/rm3100-core.c @@ -530,6 +530,7 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq) struct rm3100_data *data; unsigned int tmp; int ret; + int samp_rate_index; indio_dev = devm_iio_device_alloc(dev, sizeof(*data)); if (!indio_dev) @@ -586,9 +587,14 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq) ret = regmap_read(regmap, RM3100_REG_TMRC, &tmp); if (ret < 0) return ret; + + samp_rate_index = tmp - RM3100_TMRC_OFFSET; + if (samp_rate_index < 0 || samp_rate_index >= RM3100_SAMP_NUM) { + dev_err(dev, "The value read from RM3100_REG_TMRC is invalid!\n"); + return -EINVAL; + } /* Initializing max wait time, which is double conversion time. */ - data->conversion_time = rm3100_samp_rates[tmp - RM3100_TMRC_OFFSET][2] - * 2; + data->conversion_time = rm3100_samp_rates[samp_rate_index][2] * 2; /* Cycle count values may not be what we want. */ if ((tmp - RM3100_TMRC_OFFSET) == 0) |