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ASoC: SOF: Intel: hda: fix reset of host_period_bytes 

This patch prevents the reset of host period bytes
and uses no_stream_position to record requests
for stream position.

Signed-off-by: Marcin Rajwa <marcin.rajwa@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927200538.660-10-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Marcin Rajwa 2019-09-27 15:05:34 -05:00 committed by Mark Brown
parent e3ebfd0ab5
commit f567ff6c76
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 12 additions and 3 deletions
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15
sound/soc/sof/intel/hda-pcm.c
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@ -89,6 +89,7 @@ int hda_dsp_pcm_hw_params(struct snd_sof_dev *sdev,
struct hdac_ext_stream *stream = stream_to_hdac_ext_stream(hstream);
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
struct snd_dma_buffer *dmab;
struct sof_ipc_fw_version *v = &sdev->fw_ready.version;
int ret;
u32 size, rate, bits;
@ -116,9 +117,17 @@ int hda_dsp_pcm_hw_params(struct snd_sof_dev *sdev,
/* disable SPIB, to enable buffer wrap for stream */
hda_dsp_stream_spib_config(sdev, stream, HDA_DSP_SPIB_DISABLE, 0);
/* set host_period_bytes to 0 if no IPC position */
if (hda && hda->no_ipc_position)
ipc_params->host_period_bytes = 0;
/* update no_stream_position flag for ipc params */
if (hda && hda->no_ipc_position) {
/* For older ABIs set host_period_bytes to zero to inform
* FW we don't want position updates. Newer versions use
* no_stream_position for this purpose.
*/
if (v->abi_version < SOF_ABI_VER(3, 10, 0))
ipc_params->host_period_bytes = 0;
else
ipc_params->no_stream_position = 1;
}
ipc_params->stream_tag = hstream->stream_tag;