sps30_write_then_read 111 drivers/iio/chemical/sps30.c ret = sps30_write_then_read(state, buf, 5, NULL, 0); sps30_write_then_read 116 drivers/iio/chemical/sps30.c ret = sps30_write_then_read(state, buf, 2, NULL, 0); sps30_write_then_read 127 drivers/iio/chemical/sps30.c ret = sps30_write_then_read(state, buf, 2, buf, size); sps30_write_then_read 136 drivers/iio/chemical/sps30.c ret = sps30_write_then_read(state, buf, 8, NULL, 0);