MCS_PWR_CTRL2
dcs_write_cmd_at(&dsi_ctx, MCS_PWR_CTRL2 + 1, 0x34);
dcs_write_cmd_at(&dsi_ctx, MCS_PWR_CTRL2 + 2, 0x01);
dcs_write_cmd_at(&dsi_ctx, MCS_PWR_CTRL2 + 5, 0x34);
dcs_write_cmd_at(&dsi_ctx, MCS_PWR_CTRL2 + 4, 0x33);