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Signed-off-by: Syed Saba Kareem Signed-off-by: Vijendar Mukunda --- sound/soc/amd/ps/acp62.h | 3 +++ sound/soc/amd/ps/pci-ps.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/sound/soc/amd/ps/acp62.h b/sound/soc/amd/ps/acp62.h index 589c974f9997..89ff14007e5c 100644 --- a/sound/soc/amd/ps/acp62.h +++ b/sound/soc/amd/ps/acp62.h @@ -51,6 +51,9 @@ #define MAX_BUFFER (CAPTURE_MAX_PERIOD_SIZE * CAPTURE_MAX_NUM_PERIODS) #define MIN_BUFFER MAX_BUFFER +/* time in ms for runtime suspend delay */ +#define ACP_SUSPEND_DELAY_MS 2000 + enum acp_config { ACP_CONFIG_0 = 0, ACP_CONFIG_1, diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c index e4ddd80d0dd4..075d9a23205d 100644 --- a/sound/soc/amd/ps/pci-ps.c +++ b/sound/soc/amd/ps/pci-ps.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "acp62.h" @@ -253,6 +254,10 @@ static int snd_acp62_probe(struct pci_dev *pci, } break; } + pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(&pci->dev); + pm_runtime_put_noidle(&pci->dev); + pm_runtime_allow(&pci->dev); return 0; unregister_devs: for (--index; index >= 0; index--) @@ -268,6 +273,35 @@ static int snd_acp62_probe(struct pci_dev *pci, return ret; } +static int __maybe_unused snd_acp62_suspend(struct device *dev) +{ + struct acp62_dev_data *adata; + int ret; + + adata = dev_get_drvdata(dev); + ret = acp62_deinit(adata->acp62_base, dev); + if (ret) + dev_err(dev, "ACP de-init failed\n"); + return ret; +} + +static int __maybe_unused snd_acp62_resume(struct device *dev) +{ + struct acp62_dev_data *adata; + int ret; + + adata = dev_get_drvdata(dev); + ret = acp62_init(adata->acp62_base, dev); + if (ret) + dev_err(dev, "ACP init failed\n"); + return ret; +} + +static const struct dev_pm_ops acp62_pm_ops = { + SET_RUNTIME_PM_OPS(snd_acp62_suspend, snd_acp62_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(snd_acp62_suspend, snd_acp62_resume) +}; + static void snd_acp62_remove(struct pci_dev *pci) { struct acp62_dev_data *adata; @@ -281,6 +315,8 @@ static void snd_acp62_remove(struct pci_dev *pci) ret = acp62_deinit(adata->acp62_base, &pci->dev); if (ret) dev_err(&pci->dev, "ACP de-init failed\n"); + pm_runtime_forbid(&pci->dev); + pm_runtime_get_noresume(&pci->dev); pci_release_regions(pci); pci_disable_device(pci); } @@ -298,6 +334,9 @@ static struct pci_driver ps_acp62_driver = { .id_table = snd_acp62_ids, .probe = snd_acp62_probe, .remove = snd_acp62_remove, + .driver = { + .pm = &acp62_pm_ops, + } }; module_pci_driver(ps_acp62_driver);