fbtft_write_buf_dc
ret = fbtft_write_buf_dc(par, buf, xres, 1);
fbtft_write_buf_dc(par, par->buf, len, 0);
return fbtft_write_buf_dc(par, vmem16, len, 1);
ret = fbtft_write_buf_dc(par, par->buf, sizeof(data_type) + offset, \
fbtft_write_buf_dc(par, par->buf, \
EXPORT_SYMBOL(fbtft_write_buf_dc);
int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc);