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Commit b105c4f9 authored by Kuirong Wang's avatar Kuirong Wang Committed by Gerrit - the friendly Code Review server
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ASoC: msm: update to align afe memory mapping as multiple of 4KB 



It is required the buffer size to ADSP are multiple of 4kB. Update
the buffer size to be 4kB alignment before passing to ADSP.

CRs-Fixed: 1040066

Change-Id: I34f1b611000f5d9e4ae4c13a89b8571faa0f3393
Signed-off-by: default avatarKuirong Wang <kuirongw@codeaurora.org>
parent 9e2d528d

sound/soc/msm/qdsp6v2/q6afe.c

+8 −0
Original line number Diff line number Diff line
@@ -4009,6 +4009,14 @@ int afe_cmd_memory_map(phys_addr_t dma_addr_p, u32 dma_buf_sz) 
		}

		rtac_set_afe_handle(this_afe.apr);

	}

	if (dma_buf_sz % SZ_4K != 0) {

		/*

		 * The memory allocated by msm_audio_ion_alloc is always 4kB

		 * aligned, ADSP expects the size to be 4kB aligned as well

		 * so re-adjusts the  buffer size before passing to ADSP.

		 */

		dma_buf_sz = PAGE_ALIGN(dma_buf_sz);

	}



	cmd_size = sizeof(struct afe_service_cmd_shared_mem_map_regions) \

		+ sizeof(struct afe_service_shared_map_region_payload);