[PATCH 12/19] ASoC: amd: ps: Add soundwire specific checks in pci driver in pm ops.

From: Vijendar Mukunda
Date: Wed Jan 11 2023 - 04:04:17 EST


AMD Soundwire controller 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@xxxxxxx>
---
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 5b82ee8e3ad8..7e152241c155 100644
--- a/sound/soc/amd/ps/pci-ps.c
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -655,10 +655,15 @@ 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_sdw_power_off)
+ 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;
@@ -667,10 +672,15 @@ 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_sdw_power_off)
+ 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