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ASoC: SOF: Filter out unneeded core power up/downs 

Exclude cores that are already powered on/off correctly. This allows to
simplify dsp_power_up/down() implementations and avoid unexpected error.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210128093850.1041387-5-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2021-01-28 11:38:49 +02:00 committed by Mark Brown
parent 42077f08b3
commit 30876e2a06
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 2 deletions
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6
sound/soc/sof/ops.h
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@ -78,7 +78,8 @@ static inline int snd_sof_dsp_core_power_up(struct snd_sof_dev *sdev,
{
int ret = 0;
if (sof_ops(sdev)->core_power_up) {
core_mask &= ~sdev->enabled_cores_mask;
if (sof_ops(sdev)->core_power_up && core_mask) {
ret = sof_ops(sdev)->core_power_up(sdev, core_mask);
if (!ret)
sdev->enabled_cores_mask |= core_mask;
@ -92,7 +93,8 @@ static inline int snd_sof_dsp_core_power_down(struct snd_sof_dev *sdev,
{
int ret = 0;
if (sof_ops(sdev)->core_power_down) {
core_mask &= sdev->enabled_cores_mask;
if (sof_ops(sdev)->core_power_down && core_mask) {
ret = sof_ops(sdev)->core_power_down(sdev, core_mask);
if (!ret)
sdev->enabled_cores_mask &= ~core_mask;