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| author | Gregor Boirie <gregor.boirie@parrot.com> | 2016-06-27 12:38:55 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-07-04 18:11:52 +0100 |
| commit | b4701fd6922d9ebb4dab7cb015fa7ac8775814bd (patch) | |
| tree | a8a979fef2cc467c050c0187a4803720c21fa069 /drivers/iio/pressure/st_pressure_core.c | |
| parent | 19b7b8a89b8d98fdafd80b61160a167deb75888d (diff) | |
| download | talos-obmc-linux-b4701fd6922d9ebb4dab7cb015fa7ac8775814bd.tar.gz talos-obmc-linux-b4701fd6922d9ebb4dab7cb015fa7ac8775814bd.zip | |
iio:st_pressure: temperature triggered buffering
Enable support for triggered buffering of temperature samples.
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/pressure/st_pressure_core.c')
| -rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 2ab1056a5c80..ea8241f8b1c8 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -105,8 +105,6 @@ #define ST_PRESS_LSB_PER_CELSIUS 480UL #define ST_PRESS_MILLI_CELSIUS_OFFSET 42500UL -#define ST_PRESS_NUMBER_DATA_CHANNELS 1 - /* FULLSCALE */ #define ST_PRESS_FS_AVL_1100MB 1100 #define ST_PRESS_FS_AVL_1260MB 1260 @@ -222,7 +220,7 @@ static const struct iio_chan_spec st_press_1_channels[] = { .type = IIO_PRESSURE, .channel2 = IIO_NO_MOD, .address = ST_PRESS_1_OUT_XL_ADDR, - .scan_index = ST_SENSORS_SCAN_X, + .scan_index = 0, .scan_type = { .sign = 'u', .realbits = 24, @@ -237,7 +235,7 @@ static const struct iio_chan_spec st_press_1_channels[] = { .type = IIO_TEMP, .channel2 = IIO_NO_MOD, .address = ST_TEMP_1_OUT_L_ADDR, - .scan_index = -1, + .scan_index = 1, .scan_type = { .sign = 'u', .realbits = 16, @@ -250,7 +248,7 @@ static const struct iio_chan_spec st_press_1_channels[] = { BIT(IIO_CHAN_INFO_OFFSET), .modified = 0, }, - IIO_CHAN_SOFT_TIMESTAMP(1) + IIO_CHAN_SOFT_TIMESTAMP(2) }; static const struct iio_chan_spec st_press_lps001wp_channels[] = { @@ -258,7 +256,7 @@ static const struct iio_chan_spec st_press_lps001wp_channels[] = { .type = IIO_PRESSURE, .channel2 = IIO_NO_MOD, .address = ST_PRESS_LPS001WP_OUT_L_ADDR, - .scan_index = ST_SENSORS_SCAN_X, + .scan_index = 0, .scan_type = { .sign = 'u', .realbits = 16, @@ -274,7 +272,7 @@ static const struct iio_chan_spec st_press_lps001wp_channels[] = { .type = IIO_TEMP, .channel2 = IIO_NO_MOD, .address = ST_TEMP_LPS001WP_OUT_L_ADDR, - .scan_index = -1, + .scan_index = 1, .scan_type = { .sign = 'u', .realbits = 16, @@ -286,7 +284,7 @@ static const struct iio_chan_spec st_press_lps001wp_channels[] = { BIT(IIO_CHAN_INFO_SCALE), .modified = 0, }, - IIO_CHAN_SOFT_TIMESTAMP(1) + IIO_CHAN_SOFT_TIMESTAMP(2) }; static const struct iio_chan_spec st_press_lps22hb_channels[] = { @@ -642,7 +640,13 @@ int st_press_common_probe(struct iio_dev *indio_dev) if (err < 0) goto st_press_power_off; - press_data->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS; + /* + * Skip timestamping channel while declaring available channels to + * common st_sensor layer. Look at st_sensors_get_buffer_element() to + * see how timestamps are explicitly pushed as last samples block + * element. + */ + press_data->num_data_channels = press_data->sensor_settings->num_ch - 1; press_data->multiread_bit = press_data->sensor_settings->multi_read_bit; indio_dev->channels = press_data->sensor_settings->ch; indio_dev->num_channels = press_data->sensor_settings->num_ch; |
