diff options
Diffstat (limited to 'drivers/iio/accel')
-rw-r--r-- | drivers/iio/accel/adxl372.c | 22 | ||||
-rw-r--r-- | drivers/iio/accel/bmc150-accel-core.c | 2 |
2 files changed, 18 insertions, 6 deletions
diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c index 055227cb3d43..67b8817995c0 100644 --- a/drivers/iio/accel/adxl372.c +++ b/drivers/iio/accel/adxl372.c @@ -474,12 +474,17 @@ static int adxl372_configure_fifo(struct adxl372_state *st) if (ret < 0) return ret; - fifo_samples = st->watermark & 0xFF; + /* + * watermark stores the number of sets; we need to write the FIFO + * registers with the number of samples + */ + fifo_samples = (st->watermark * st->fifo_set_size); fifo_ctl = ADXL372_FIFO_CTL_FORMAT_MODE(st->fifo_format) | ADXL372_FIFO_CTL_MODE_MODE(st->fifo_mode) | - ADXL372_FIFO_CTL_SAMPLES_MODE(st->watermark); + ADXL372_FIFO_CTL_SAMPLES_MODE(fifo_samples); - ret = regmap_write(st->regmap, ADXL372_FIFO_SAMPLES, fifo_samples); + ret = regmap_write(st->regmap, + ADXL372_FIFO_SAMPLES, fifo_samples & 0xFF); if (ret < 0) return ret; @@ -548,8 +553,7 @@ static irqreturn_t adxl372_trigger_handler(int irq, void *p) goto err; /* Each sample is 2 bytes */ - for (i = 0; i < fifo_entries * sizeof(u16); - i += st->fifo_set_size * sizeof(u16)) + for (i = 0; i < fifo_entries; i += st->fifo_set_size) iio_push_to_buffers(indio_dev, &st->fifo_buf[i]); } err: @@ -571,6 +575,14 @@ static int adxl372_setup(struct adxl372_state *st) return -ENODEV; } + /* + * Perform a software reset to make sure the device is in a consistent + * state after start up. + */ + ret = regmap_write(st->regmap, ADXL372_RESET, ADXL372_RESET_CODE); + if (ret < 0) + return ret; + ret = adxl372_set_op_mode(st, ADXL372_STANDBY); if (ret < 0) return ret; diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index cf6c0e3a83d3..121b4e89f038 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -117,7 +117,7 @@ #define BMC150_ACCEL_SLEEP_1_SEC 0x0F #define BMC150_ACCEL_REG_TEMP 0x08 -#define BMC150_ACCEL_TEMP_CENTER_VAL 24 +#define BMC150_ACCEL_TEMP_CENTER_VAL 23 #define BMC150_ACCEL_AXIS_TO_REG(axis) (BMC150_ACCEL_REG_XOUT_L + (axis * 2)) #define BMC150_AUTO_SUSPEND_DELAY_MS 2000 |