intel_dsb_buffer_read
intel_dsb_buffer_read(dsb->dsb_buf, i),
intel_dsb_buffer_read(dsb->dsb_buf, i + 1),
intel_dsb_buffer_read(dsb->dsb_buf, i + 2),
intel_dsb_buffer_read(dsb->dsb_buf, i + 3));
u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx);