htu21_show_samp_freq 36 drivers/iio/humidity/htu21.c static const char htu21_show_samp_freq[] = "20 40 70 120"; htu21_show_samp_freq 156 drivers/iio/humidity/htu21.c static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(htu21_show_samp_freq);