ASoC: amd: ps: add acp_reset flag check in acp pci driver pm ops.
authorVijendar Mukunda <Vijendar.Mukunda@amd.com>
Mon, 12 Jun 2023 09:59:03 +0000 (15:29 +0530)
committerMark Brown <broonie@kernel.org>
Tue, 20 Jun 2023 22:30:32 +0000 (23:30 +0100)
AMD SoundWire manager supports different power modes.
acp_reset flag will be set to false only when SoundWire manager power
mode is selected as ClockStop Mode. For rest of the combinations
(ACP PDM + SDW), acp_reset flag will be set to true.
When acp_reset flag is set, acp de-init and acp init sequence should
be invoked during suspend/resume callbacks.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-10-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/amd/ps/pci-ps.c

index ff734a9..5b46dc8 100644 (file)
@@ -669,24 +669,28 @@ disable_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 (ret)
-               dev_err(dev, "ACP de-init failed\n");
+       if (adata->acp_reset) {
+               ret = acp63_deinit(adata->acp63_base, dev);
+               if (ret)
+                       dev_err(dev, "ACP de-init failed\n");
+       }
        return ret;
 }
 
 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 (ret)
-               dev_err(dev, "ACP init failed\n");
+       if (adata->acp_reset) {
+               ret = acp63_init(adata->acp63_base, dev);
+               if (ret)
+                       dev_err(dev, "ACP init failed\n");
+       }
        return ret;
 }