diff options
Diffstat (limited to 'sound/soc/amd/acp/acp-pci.c')
-rw-r--r-- | sound/soc/amd/acp/acp-pci.c | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 8154fbfd1229..a32c14a109b7 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -16,6 +16,7 @@ #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/module.h> +#include <linux/pm_runtime.h> #include "amd.h" #include "../mach-config.h" @@ -106,6 +107,7 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id goto unregister_dmic_dev; } + acp_init(chip); res = devm_kcalloc(&pci->dev, num_res, sizeof(struct resource), GFP_KERNEL); if (!res) { ret = -ENOMEM; @@ -139,7 +141,12 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id ret = PTR_ERR(pdev); 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: @@ -152,12 +159,56 @@ disable_pci: 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) platform_device_unregister(pdev); + ret = acp_deinit(chip->base); + if (ret) + dev_err(&pci->dev, "ACP de-init failed\n"); } /* PCI IDs */ @@ -173,8 +224,12 @@ 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); MODULE_LICENSE("Dual BSD/GPL"); +MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); MODULE_ALIAS(DRV_NAME); |