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tegra-alt: adsp: Do not adjust Compress PCM pos

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PCM pointer in compress path need not be adjusted for sample rate
conversion as rate conversion always happens in AHUB (ASRC) and not
in ADSP; cases where rate conversion happens in ADSP will no longer
return correct position

Bug 200430129

Change-Id: I93e3f0680260ce057a17c70f037c9093be3e17cf
Signed-off-by: Viswanath L <viswanathl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1959444
(cherry picked from commit fd33d1360f3a2e684363eecf9f0570b66fa2f51d)
Reviewed-on: https://git-master.nvidia.com/r/1984711
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Viswanath L
2018-11-27 21:56:17 +05:30
committed by Sameer Pujar
parent f4a50891b0
commit dc841995d9
1 changed files with 2 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
sound/soc/tegra-alt/tegra210_adsp_alt.c
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@@ -1572,14 +1572,10 @@ static int tegra210_adsp_compr_pointer(struct snd_compr_stream *cstream,
struct snd_compr_tstamp *tstamp)
{
struct tegra210_adsp_compr_rtd *prtd = cstream->runtime->private_data;
struct snd_soc_pcm_runtime *rtd = cstream->device->private_data;
struct tegra210_adsp *adsp =
snd_soc_platform_get_drvdata(rtd->platform);
struct tegra210_adsp_app *app = prtd->fe_apm;
nvfx_shared_state_t *shared = &app->apm->nvfx_shared_state;
uint32_t frames_played = ((shared->output[0].bytes >> 2) *
snd_pcm_rate_bit_to_rate(prtd->codec.sample_rate)) /
adsp->i2s_rate;
uint32_t frames_played =
(uint32_t)((shared->output[0].bytes >> 1) / prtd->codec.ch_in);
tstamp->byte_offset = shared->input[0].bytes %
cstream->runtime->buffer_size;