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iio: imu: st_lsm6dsx: enable LIR for sensor events 

Enable Latched interrupt by default for sensor events

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lorenzo Bianconi 2019-09-11 08:50:03 +02:00 committed by Jonathan Cameron
parent c270bbf7bb
commit 9db02d32b8
2 changed files with 37 additions and 0 deletions
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2
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
View File

@ -215,6 +215,7 @@ struct st_lsm6dsx_ext_dev_settings {
* @fs_table: Hw sensors gain table (gain + val).
* @decimator: List of decimator register info (addr + mask).
* @batch: List of FIFO batching register info (addr + mask).
* @lir: Latched interrupt register info (addr + mask).
* @fifo_ops: Sensor hw FIFO parameters.
* @ts_settings: Hw timer related settings.
* @shub_settings: i2c controller related settings.
@ -237,6 +238,7 @@ struct st_lsm6dsx_settings {
struct st_lsm6dsx_fs_table_entry fs_table[2];
struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID];
struct st_lsm6dsx_reg batch[ST_LSM6DSX_MAX_ID];
struct st_lsm6dsx_reg lir;
struct st_lsm6dsx_fifo_ops fifo_ops;
struct st_lsm6dsx_hw_ts_settings ts_settings;
struct st_lsm6dsx_shub_settings shub_settings;

35
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
View File

@ -237,6 +237,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(5, 3),
},
},
.lir = {
.addr = 0x58,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_fifo,
@ -349,6 +353,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(5, 3),
},
},
.lir = {
.addr = 0x58,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_fifo,
@ -470,6 +478,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(5, 3),
},
},
.lir = {
.addr = 0x58,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_fifo,
@ -585,6 +597,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(7, 4),
},
},
.lir = {
.addr = 0x56,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_tagged_fifo,
@ -715,6 +731,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(7, 4),
},
},
.lir = {
.addr = 0x56,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_tagged_fifo,
@ -822,6 +842,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.mask = GENMASK(7, 4),
},
},
.lir = {
.addr = 0x56,
.mask = BIT(0),
},
.fifo_ops = {
.update_fifo = st_lsm6dsx_update_fifo,
.read_fifo = st_lsm6dsx_read_tagged_fifo,
@ -1416,6 +1440,17 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
if (err < 0)
return err;
/* enable Latched interrupts for device events */
if (hw->settings->lir.addr) {
unsigned int data;
data = ST_LSM6DSX_SHIFT_VAL(1, hw->settings->lir.mask);
err = regmap_update_bits(hw->regmap, hw->settings->lir.addr,
hw->settings->lir.mask, data);
if (err < 0)
return err;
}
err = st_lsm6dsx_init_shub(hw);
if (err < 0)
return err;