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ASoC: SOF: pcm: Extend the optionality of IPC ops to IPC as well

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The IPC ops are optional, but they require that the ops struct is to be
allocated with all callbacks set to NULL.

Update the code to extend the optionality to:
sdev->ipc == NULL
sdev->ipc->ops == NULL
sdev->ipc->ops->[pcm] == NULL
sdev->ipc->ops->[pcm]->ops == NULL (treated optional currently)

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20221221102328.9635-5-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2022-12-21 12:23:21 +02:00 committed by Mark Brown
parent caf0f4662e
commit 148dd6a264
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 9 additions and 9 deletions
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18
sound/soc/sof/pcm.c
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@ -125,8 +125,8 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_sof_platform_stream_params platform_params = { 0 };
const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_sof_pcm *spcm;
int ret;
@ -143,7 +143,7 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
* Handle repeated calls to hw_params() without free_pcm() in
* between. At least ALSA OSS emulation depends on this.
*/
if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
if (pcm_ops && pcm_ops->hw_free && spcm->prepared[substream->stream]) {
ret = pcm_ops->hw_free(component, substream);
if (ret < 0)
return ret;
@ -177,7 +177,7 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
return ret;
}
if (pcm_ops->hw_params) {
if (pcm_ops && pcm_ops->hw_params) {
ret = pcm_ops->hw_params(component, substream, params, &platform_params);
if (ret < 0)
return ret;
@ -196,7 +196,7 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_sof_pcm *spcm;
int ret, err = 0;
@ -212,7 +212,7 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
spcm->pcm.pcm_id, substream->stream);
/* free PCM in the DSP */
if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
if (pcm_ops && pcm_ops->hw_free && spcm->prepared[substream->stream]) {
ret = pcm_ops->hw_free(component, substream);
if (ret < 0)
err = ret;
@ -279,7 +279,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_sof_pcm *spcm;
bool reset_hw_params = false;
bool free_widget_list = false;
@ -344,7 +344,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
if (!ipc_first)
snd_sof_pcm_platform_trigger(sdev, substream, cmd);
if (pcm_ops->trigger)
if (pcm_ops && pcm_ops->trigger)
ret = pcm_ops->trigger(component, substream, cmd);
/* need to STOP DMA even if trigger IPC failed */
@ -569,7 +569,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa
struct snd_sof_dai *dai =
snd_sof_find_dai(component, (char *)rtd->dai_link->name);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
/* no topology exists for this BE, try a common configuration */
if (!dai) {
@ -590,7 +590,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa
return 0;
}
if (pcm_ops->dai_link_fixup)
if (pcm_ops && pcm_ops->dai_link_fixup)
return pcm_ops->dai_link_fixup(rtd, params);
return 0;