evie/android_kernel_oneplus_msm8998
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ASoC: msm: update to align afe memory mapping as multiple of 4KB

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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: Kuirong Wang <kuirongw@codeaurora.org>
This commit is contained in:
Kuirong Wang 2016-07-24 21:04:28 -07:00 • committed by Gerrit - the friendly Code Review server
parent 9e2d528dc4
commit b105c4f9de
1 changed files with 8 additions and 0 deletions
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8
sound/soc/msm/qdsp6v2/q6afe.c
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@ -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);