ams369fg06_spi_write
ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]);
ret = ams369fg06_spi_write(lcd, 0x40 + i, gamma[i]);
ret = ams369fg06_spi_write(lcd, 0x50 + i, gamma[i+7*1]);
ret = ams369fg06_spi_write(lcd, 0x60 + i, gamma[i+7*2]);