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iio: imu: st_lsm6dsx: convert max_fifo_size in FIFO sample size

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Express max fifo depth in ST_LSM6DSX_SAMPLE_SIZE instead of in bytes.
That change will be necessary to properly support more devices
in st_lsm6dsx driver

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lorenzo Bianconi 2017-10-02 18:37:37 +02:00 committed by Jonathan Cameron
parent fb942f8ce6
commit 8f2a88a2b2
1 changed files with 5 additions and 6 deletions
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11
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
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@ -156,21 +156,21 @@ static const struct st_lsm6dsx_fs_table_entry st_lsm6dsx_fs_table[] = {
static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
{
.wai = 0x69,
.max_fifo_size = 8192,
.max_fifo_size = 1365,
.id = {
[0] = ST_LSM6DS3_ID,
},
},
{
.wai = 0x69,
.max_fifo_size = 4096,
.max_fifo_size = 682,
.id = {
[0] = ST_LSM6DS3H_ID,
},
},
{
.wai = 0x6a,
.max_fifo_size = 4096,
.max_fifo_size = 682,
.id = {
[0] = ST_LSM6DSL_ID,
[1] = ST_LSM6DSM_ID,
@ -462,10 +462,9 @@ static int st_lsm6dsx_set_watermark(struct iio_dev *iio_dev, unsigned int val)
{
struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev);
struct st_lsm6dsx_hw *hw = sensor->hw;
int err, max_fifo_len;
int err;
max_fifo_len = hw->settings->max_fifo_size / ST_LSM6DSX_SAMPLE_SIZE;
if (val < 1 || val > max_fifo_len)
if (val < 1 || val > hw->settings->max_fifo_size)
return -EINVAL;
err = st_lsm6dsx_update_watermark(sensor, val);