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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
commit83506c85f8d4332b3edfdc8f1fd07aa691415350 (patch)
tree316b9630e093bb3b80e5d6e1c304151b5597901e /drivers/iio/magnetometer
parentAdding upstream version 5.10.209. (diff)
downloadlinux-83506c85f8d4332b3edfdc8f1fd07aa691415350.tar.xz
linux-83506c85f8d4332b3edfdc8f1fd07aa691415350.zip
Adding upstream version 5.10.216.upstream/5.10.216
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/magnetometer')
-rw-r--r--drivers/iio/magnetometer/rm3100-core.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c
index 720234a91..e7690d386 100644
--- a/drivers/iio/magnetometer/rm3100-core.c
+++ b/drivers/iio/magnetometer/rm3100-core.c
@@ -538,6 +538,7 @@ 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)
@@ -596,9 +597,14 @@ 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)