iio-osc: fix white space damage - no functional changes

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
iio-osc: fru parsing return NULL on error - avoids segfault with corrupted EEPROMS

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
iio-osc: iio_utils: add signed read|write_devattr fuctions

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
iio-osc: iio_widget: introduce iio_spin_button_s64_init_from_builder

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
iio-osc: fmcomms1: add support for calibration eeprom parsing and loading

fix spin-button step increments

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>