Add debug option to disable pm_runtime. This is not intended for production devices but is very useful for platform bringup.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/sof-acpi-dev.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/sof-acpi-dev.c b/sound/soc/sof/sof-acpi-dev.c index e9cf69874b5b..38062dd00dd2 100644 --- a/sound/soc/sof/sof-acpi-dev.c +++ b/sound/soc/sof/sof-acpi-dev.c @@ -32,6 +32,12 @@ static char *tplg_path; module_param(tplg_path, charp, 0444); MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
+static int sof_acpi_debug; +module_param_named(sof_debug, sof_acpi_debug, int, 0444); +MODULE_PARM_DESC(sof_debug, "SOF ACPI debug options (0x0 all off)"); + +#define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0) + #if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL) static const struct sof_dev_desc sof_acpi_haswell_desc = { .machines = snd_soc_acpi_intel_haswell_machines, @@ -174,6 +180,9 @@ static const struct dev_pm_ops sof_acpi_pm = {
static void sof_acpi_probe_complete(struct device *dev) { + if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME) + return; + /* allow runtime_pm */ pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(dev); @@ -274,7 +283,8 @@ static int sof_acpi_probe(struct platform_device *pdev)
static int sof_acpi_remove(struct platform_device *pdev) { - pm_runtime_disable(&pdev->dev); + if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)) + pm_runtime_disable(&pdev->dev);
/* call sof helper for DSP hardware remove */ snd_sof_device_remove(&pdev->dev);