diff options
Diffstat (limited to 'drivers/iio/accel/kxcjk-1013.c')
| -rw-r--r-- | drivers/iio/accel/kxcjk-1013.c | 98 |
1 files changed, 21 insertions, 77 deletions
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index f2496cad8ec2..6aefe8221296 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -26,9 +26,6 @@ #include <linux/iio/triggered_buffer.h> #include <linux/iio/accel/kxcjk_1013.h> -#define KXCJK1013_DRV_NAME "kxcjk1013" -#define KXCJK1013_IRQ_NAME "kxcjk1013_event" - #define KXTF9_REG_HP_XOUT_L 0x00 #define KXTF9_REG_HP_XOUT_H 0x01 #define KXTF9_REG_HP_YOUT_L 0x02 @@ -674,8 +671,8 @@ static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data) return 0; } -static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data, - bool status) +static int kxcjk1013_setup_interrupt(struct kxcjk1013_data *data, + bool status, bool is_new_data) { const struct kx_chipset_regs *regs = data->info->regs; int ret; @@ -690,69 +687,12 @@ static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data, if (ret < 0) return ret; - ret = kxcjk1013_chip_update_thresholds(data); - if (ret < 0) - return ret; - - ret = i2c_smbus_read_byte_data(data->client, regs->int_ctrl1); - if (ret < 0) { - dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); - return ret; - } - - if (status) - ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN; - else - ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN; - - ret = i2c_smbus_write_byte_data(data->client, regs->int_ctrl1, ret); - if (ret < 0) { - dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n"); - return ret; - } - - ret = i2c_smbus_read_byte_data(data->client, regs->ctrl1); - if (ret < 0) { - dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); - return ret; - } - - if (status) - ret |= KXCJK1013_REG_CTRL1_BIT_WUFE; - else - ret &= ~KXCJK1013_REG_CTRL1_BIT_WUFE; - - ret = i2c_smbus_write_byte_data(data->client, regs->ctrl1, ret); - if (ret < 0) { - dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); - return ret; - } - - if (store_mode == OPERATION) { - ret = kxcjk1013_set_mode(data, OPERATION); + if (is_new_data == true) { + ret = kxcjk1013_chip_update_thresholds(data); if (ret < 0) return ret; } - return 0; -} - -static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data, - bool status) -{ - const struct kx_chipset_regs *regs = data->info->regs; - int ret; - enum kxcjk1013_mode store_mode; - - ret = kxcjk1013_get_mode(data, &store_mode); - if (ret < 0) - return ret; - - /* This is requirement by spec to change state to STANDBY */ - ret = kxcjk1013_set_mode(data, STANDBY); - if (ret < 0) - return ret; - ret = i2c_smbus_read_byte_data(data->client, regs->int_ctrl1); if (ret < 0) { dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); @@ -776,10 +716,17 @@ static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data, return ret; } - if (status) - ret |= KXCJK1013_REG_CTRL1_BIT_DRDY; - else - ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY; + if (is_new_data) { + if (status) + ret |= KXCJK1013_REG_CTRL1_BIT_DRDY; + else + ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY; + } else { + if (status) + ret |= KXCJK1013_REG_CTRL1_BIT_WUFE; + else + ret &= ~KXCJK1013_REG_CTRL1_BIT_WUFE; + } ret = i2c_smbus_write_byte_data(data->client, regs->ctrl1, ret); if (ret < 0) { @@ -1112,7 +1059,7 @@ static int kxcjk1013_write_event_config(struct iio_dev *indio_dev, return ret; } - ret = kxcjk1013_setup_any_motion_interrupt(data, state); + ret = kxcjk1013_setup_interrupt(data, state, false); if (ret < 0) { kxcjk1013_set_power_state(data, false); data->ev_enable_state = 0; @@ -1253,8 +1200,8 @@ static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p) if (ret < 0) goto err; - iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, - data->timestamp); + iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan), + data->timestamp); err: iio_trigger_notify_done(indio_dev->trig); @@ -1293,10 +1240,7 @@ static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, mutex_unlock(&data->mutex); return ret; } - if (data->motion_trig == trig) - ret = kxcjk1013_setup_any_motion_interrupt(data, state); - else - ret = kxcjk1013_setup_new_data_interrupt(data, state); + ret = kxcjk1013_setup_interrupt(data, state, data->motion_trig != trig); if (ret < 0) { kxcjk1013_set_power_state(data, false); mutex_unlock(&data->mutex); @@ -1517,7 +1461,7 @@ static int kxcjk1013_probe(struct i2c_client *client) kxcjk1013_data_rdy_trig_poll, kxcjk1013_event_handler, IRQF_TRIGGER_RISING, - KXCJK1013_IRQ_NAME, + "kxcjk1013_event", indio_dev); if (ret) goto err_poweroff; @@ -1727,7 +1671,7 @@ MODULE_DEVICE_TABLE(acpi, kx_acpi_match); static struct i2c_driver kxcjk1013_driver = { .driver = { - .name = KXCJK1013_DRV_NAME, + .name = "kxcjk1013", .acpi_match_table = kx_acpi_match, .of_match_table = kxcjk1013_of_match, .pm = pm_ptr(&kxcjk1013_pm_ops), |