diff options
| author | Syed Saba Kareem <Syed.SabaKareem@amd.com> | 2023-06-26 19:25:09 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-09 22:47:36 +0100 |
| commit | 088a40980efbc2c449b72f0f2c7ebd82f71d08e2 (patch) | |
| tree | 30b9a76aaba8a05ff12dc24f123ad5a5b48ed2f3 /sound/soc/amd/acp/acp-pci.c | |
| parent | 7a83903022dc3bd5214f6bdde8132c66015ab538 (diff) | |
ASoC: amd: acp: add pm ops support for acp pci driver
Add pm ops support for common acp pci driver.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20230626135515.1252063-6-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/acp/acp-pci.c')
| -rw-r--r-- | sound/soc/amd/acp/acp-pci.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 4fedad1b740e..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" @@ -141,6 +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: @@ -153,12 +159,49 @@ 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) @@ -181,6 +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); |