Unverified Commit 198c93e2 authored Jun 12, 2023 by Vijendar Mukunda Committed by Mark Brown Jun 20, 2023

ASoC: amd: ps: add acp_reset flag check in acp pci driver pm ops.



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>

parent 6e8f7cb4

sound/soc/amd/ps/pci-ps.c

+12 −8

Original line number	Diff line number	Diff line
		@@ -669,24 +669,28 @@ 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);
		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);
		if (adata->acp_reset) {
		ret = acp63_init(adata->acp63_base, dev);
		if (ret)
		dev_err(dev, "ACP init failed\n");
		}
		return ret;
		}