Add pm ops support for common acp pci driver.
Signed-off-by: Syed Saba Kareem Syed.SabaKareem@amd.com --- sound/soc/amd/acp/acp-pci.c | 45 +++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 0d91181364e3..73115ae78b6e 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -142,6 +142,11 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id goto unregister_dmic_dev; } chip->chip_pdev = pdev; + dev_set_drvdata(&pci->dev, chip); + pm_runtime_set_autosuspend_delay(&pci->dev, 2000); + pm_runtime_use_autosuspend(&pci->dev); + pm_runtime_put_noidle(&pci->dev); + pm_runtime_allow(&pci->dev); return ret;
unregister_dmic_dev: @@ -154,12 +159,49 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id return ret; };
+static int __maybe_unused snd_acp_suspend(struct device *dev) +{ + struct acp_chip_info *chip; + int ret; + + chip = dev_get_drvdata(dev); + ret = acp_deinit(chip->base); + if (ret) + dev_err(dev, "ACP de-init failed\n"); + return ret; +} + +static int __maybe_unused snd_acp_resume(struct device *dev) +{ + struct acp_chip_info *chip; + struct acp_dev_data *adata; + struct device child; + int ret; + + chip = dev_get_drvdata(dev); + ret = acp_init(chip); + if (ret) + dev_err(dev, "ACP init failed\n"); + child = chip->chip_pdev->dev; + adata = dev_get_drvdata(&child); + if (adata) + acp_enable_interrupts(adata); + return ret; +} + +static const struct dev_pm_ops acp_pm_ops = { + SET_RUNTIME_PM_OPS(snd_acp_suspend, snd_acp_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(snd_acp_suspend, snd_acp_resume) +}; + static void acp_pci_remove(struct pci_dev *pci) { struct acp_chip_info *chip; int ret;
chip = pci_get_drvdata(pci); + pm_runtime_forbid(&pci->dev); + pm_runtime_get_noresume(&pci->dev); if (dmic_dev) platform_device_unregister(dmic_dev); if (pdev) @@ -182,6 +224,9 @@ static struct pci_driver snd_amd_acp_pci_driver = { .id_table = acp_pci_ids, .probe = acp_pci_probe, .remove = acp_pci_remove, + .driver = { + .pm = &acp_pm_ops, + }, }; module_pci_driver(snd_amd_acp_pci_driver);