REG_POWERON
rpi_touchscreen_i2c_write(ts, REG_POWERON, 0);
rpi_touchscreen_i2c_write(ts, REG_POWERON, 1);
rpi_touchscreen_i2c_write(ts, REG_POWERON, 0);
regmap_write(regmap, REG_POWERON, 0);
regmap_write(regmap, REG_POWERON, 0);
.reg_set_base = REG_POWERON,
regmap_write(regmap, REG_POWERON, 0);