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authorLorenzo Bianconi <lorenzo@kernel.org>2019-09-11 08:50:03 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-09-15 11:56:25 +0100
commit9db02d32b8eedb4441f79cb2a1696344060c1b78 (patch)
tree21183830bb1adbd463e7090fb85f279b473c4aaa /drivers/iio/imu
parentc270bbf7bb9ddc4e2a51b3c56557c377c9ac79bc (diff)
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>
Diffstat (limited to 'drivers/iio/imu')
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h2
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c35
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index 80e42c7dbcbe..cb5316488f31 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -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;
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 2d3495560136..a208da865efe 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -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;