diff options
| -rw-r--r-- | sound/soc/sof/sof-pci-dev.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c index d66412a77873..030f2cb06921 100644 --- a/sound/soc/sof/sof-pci-dev.c +++ b/sound/soc/sof/sof-pci-dev.c @@ -29,6 +29,12 @@ static char *tplg_path; module_param(tplg_path, charp, 0444); MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); +static int sof_pci_debug; +module_param_named(sof_pci_debug, sof_pci_debug, int, 0444); +MODULE_PARM_DESC(sof_pci_debug, "SOF PCI debug options (0x0 all off)"); + +#define SOF_PCI_DISABLE_PM_RUNTIME BIT(0) + #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE) static const struct sof_dev_desc bxt_desc = { .machines = snd_soc_acpi_intel_bxt_machines, @@ -249,6 +255,9 @@ static void sof_pci_probe_complete(struct device *dev) { dev_dbg(dev, "Completing SOF PCI probe"); + if (sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME) + return; + /* allow runtime_pm */ pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(dev); @@ -370,7 +379,8 @@ static void sof_pci_remove(struct pci_dev *pci) snd_sof_device_remove(&pci->dev); /* follow recommendation in pci-driver.c to increment usage counter */ - pm_runtime_get_noresume(&pci->dev); + if (!(sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME)) + pm_runtime_get_noresume(&pci->dev); /* release pci regions and disable device */ pci_release_regions(pci); |