diff options
Diffstat (limited to 'drivers/iio/accel')
| -rw-r--r-- | drivers/iio/accel/hid-sensor-accel-3d.c | 6 | ||||
| -rw-r--r-- | drivers/iio/accel/kxcjk-1013.c | 32 |
2 files changed, 36 insertions, 2 deletions
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index 4c5e594024f8..5d63ed19e6e2 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -23,6 +23,7 @@ enum accel_3d_channel { ACCEL_3D_CHANNEL_MAX, }; +#define CHANNEL_SCAN_INDEX_TIMESTAMP ACCEL_3D_CHANNEL_MAX struct accel_3d_state { struct hid_sensor_hub_callbacks callbacks; struct hid_sensor_common common_attributes; @@ -75,7 +76,7 @@ static const struct iio_chan_spec accel_3d_channels[] = { BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, }, - IIO_CHAN_SOFT_TIMESTAMP(3) + IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP) }; /* Channel definitions */ @@ -110,7 +111,8 @@ static const struct iio_chan_spec gravity_channels[] = { BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, - } + }, + IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP), }; /* Adjust channel real bits based on report descriptor */ diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index e92c7e6766e1..2fadafc860fd 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -14,6 +14,7 @@ #include <linux/acpi.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/regulator/consumer.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> @@ -133,6 +134,7 @@ enum kx_acpi_type { }; struct kxcjk1013_data { + struct regulator_bulk_data regulators[2]; struct i2c_client *client; struct iio_trigger *dready_trig; struct iio_trigger *motion_trig; @@ -1300,6 +1302,13 @@ static const char *kxcjk1013_match_acpi_device(struct device *dev, return dev_name(dev); } +static void kxcjk1013_disable_regulators(void *d) +{ + struct kxcjk1013_data *data = d; + + regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators); +} + static int kxcjk1013_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -1330,6 +1339,29 @@ static int kxcjk1013_probe(struct i2c_client *client, return ret; } + data->regulators[0].supply = "vdd"; + data->regulators[1].supply = "vddio"; + ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(data->regulators), + data->regulators); + if (ret) + return dev_err_probe(&client->dev, ret, "Failed to get regulators\n"); + + ret = regulator_bulk_enable(ARRAY_SIZE(data->regulators), + data->regulators); + if (ret) + return ret; + + ret = devm_add_action_or_reset(&client->dev, kxcjk1013_disable_regulators, data); + if (ret) + return ret; + + /* + * A typical delay of 10ms is required for powering up + * according to the data sheets of supported chips. + * Hence double that to play safe. + */ + msleep(20); + if (id) { data->chipset = (enum kx_chipset)(id->driver_data); name = id->name; |