diff options
Diffstat (limited to 'drivers/iio/chemical/sps30.c')
| -rw-r--r-- | drivers/iio/chemical/sps30.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c index e03a28a67146..edbb956e81e8 100644 --- a/drivers/iio/chemical/sps30.c +++ b/drivers/iio/chemical/sps30.c @@ -118,6 +118,7 @@ static int sps30_do_cmd(struct sps30_state *state, u16 cmd, u8 *data, int size) case SPS30_READ_AUTO_CLEANING_PERIOD: buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8; buf[1] = (u8)SPS30_AUTO_CLEANING_PERIOD; + /* fall through */ case SPS30_READ_DATA_READY_FLAG: case SPS30_READ_DATA: case SPS30_READ_SERIAL: @@ -210,7 +211,7 @@ static int sps30_do_meas(struct sps30_state *state, s32 *data, int size) msleep_interruptible(300); } - if (!tries) + if (tries == -1) return -ETIMEDOUT; ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size); @@ -295,6 +296,8 @@ static int sps30_read_raw(struct iio_dev *indio_dev, *val2 = 10000; return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; } default: return -EINVAL; |