[PATCH V2 9/9] ASoC: amd: ps: Add SoundWire specific checks in pci driver in pm ops.

Vijendar Mukunda
2023-05-22T13:28:07Z

AMD SoundWire manager supports different power modes.
In case of SoundWire Power off Mode, ACP pci parent driver
should invoke acp de-init and init sequence during suspend/resume
callbacks.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
sound/soc/amd/ps/pci-ps.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c
index c99ac5d90097..f6d14baf2c2e 100644
--- a/sound/soc/amd/ps/pci-ps.c
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -659,10 +659,15 @@ static int snd_acp63_probe(struct pci_dev *pci,
static int __maybe_unused snd_acp63_suspend(struct device *dev)
{
struct acp63_dev_data *adata;
- int ret;
+ int ret = 0;

adata = dev_get_drvdata(dev);
- ret = acp63_deinit(adata->acp63_base, dev);
+ if (adata->pdev_mask & ACP63_SDW_DEV_MASK) {
+ if (adata->acp_reset)
+ ret = acp63_deinit(adata->acp63_base, dev);
+ } else {
+ ret = acp63_deinit(adata->acp63_base, dev);
+ }
if (ret)
dev_err(dev, "ACP de-init failed\n");
return ret;
@@ -671,10 +676,15 @@ static int __maybe_unused snd_acp63_suspend(struct device *dev)
static int __maybe_unused snd_acp63_resume(struct device *dev)
{
struct acp63_dev_data *adata;
- int ret;
+ int ret = 0;

adata = dev_get_drvdata(dev);
- ret = acp63_init(adata->acp63_base, dev);
+ if (adata->pdev_mask & ACP63_SDW_DEV_MASK) {
+ if (adata->acp_reset)
+ ret = acp63_init(adata->acp63_base, dev);
+ } else {
+ ret = acp63_init(adata->acp63_base, dev);
+ }
if (ret)
dev_err(dev, "ACP init failed\n");
return ret;
--
2.34.1