LDSA2R
lcdc_write_mirror(sdev, LDSA2R, sstate->dma[1]);
case LDSA2R:
lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
[LDSA2R] = 0x434,
case LDSA2R:
lcdc_write_chan(ch, LDSA2R, ch->base_addr_c);