diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index c8e5cfd0ef0b..2a72acc6e049 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -37,6 +37,8 @@ #define ST_LSM6DSX_REG_FIFO_THH_ADDR 0x07 #define ST_LSM6DSX_FIFO_TH_MASK GENMASK(11, 0) #define ST_LSM6DSX_REG_FIFO_DEC_GXL_ADDR 0x08 +#define ST_LSM6DSX_REG_HLACTIVE_ADDR 0x12 +#define ST_LSM6DSX_REG_HLACTIVE_MASK BIT(5) #define ST_LSM6DSX_REG_FIFO_MODE_ADDR 0x0a #define ST_LSM6DSX_FIFO_MODE_MASK GENMASK(2, 0) #define ST_LSM6DSX_FIFO_ODR_MASK GENMASK(6, 3) @@ -130,8 +132,8 @@ static int st_lsm6dsx_update_decimators(struct st_lsm6dsx_hw *hw) return 0; } -static int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw, - enum st_lsm6dsx_fifo_mode fifo_mode) +int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw, + enum st_lsm6dsx_fifo_mode fifo_mode) { u8 data; int err; @@ -303,7 +305,7 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) return read_len; } -static int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw) +int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw) { int err; @@ -417,6 +419,7 @@ int st_lsm6dsx_fifo_setup(struct st_lsm6dsx_hw *hw) { struct iio_buffer *buffer; unsigned long irq_type; + bool irq_active_low; int i, err; irq_type = irqd_get_trigger_type(irq_get_irq_data(hw->irq)); @@ -424,12 +427,23 @@ int st_lsm6dsx_fifo_setup(struct st_lsm6dsx_hw *hw) switch (irq_type) { case IRQF_TRIGGER_HIGH: case IRQF_TRIGGER_RISING: + irq_active_low = false; + break; + case IRQF_TRIGGER_LOW: + case IRQF_TRIGGER_FALLING: + irq_active_low = true; break; default: dev_info(hw->dev, "mode %lx unsupported\n", irq_type); return -EINVAL; } + err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_HLACTIVE_ADDR, + ST_LSM6DSX_REG_HLACTIVE_MASK, + irq_active_low); + if (err < 0) + return err; + err = devm_request_threaded_irq(hw->dev, hw->irq, st_lsm6dsx_handler_irq, st_lsm6dsx_handler_thread, |