Add acp6x pci driver pm ops.
Signed-off-by: Vijendar Mukunda <[email protected]>
---
sound/soc/amd/yc/acp6x.h | 3 +++
sound/soc/amd/yc/pci-acp6x.c | 40 ++++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/sound/soc/amd/yc/acp6x.h b/sound/soc/amd/yc/acp6x.h
index 3f83de229409..b0d3f6a9d0ce 100644
--- a/sound/soc/amd/yc/acp6x.h
+++ b/sound/soc/amd/yc/acp6x.h
@@ -52,6 +52,9 @@
#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/yc/pci-acp6x.c b/sound/soc/amd/yc/pci-acp6x.c
index baf875c603fa..cf02c542cf88 100644
--- a/sound/soc/amd/yc/pci-acp6x.c
+++ b/sound/soc/amd/yc/pci-acp6x.c
@@ -12,6 +12,7 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <sound/pcm_params.h>
+#include <linux/pm_runtime.h>
#include "acp6x.h"
@@ -240,6 +241,11 @@ static int snd_acp6x_probe(struct pci_dev *pci,
dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
goto unregister_devs;
}
+ 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--)
@@ -255,6 +261,35 @@ static int snd_acp6x_probe(struct pci_dev *pci,
return ret;
}
+static int __maybe_unused snd_acp6x_suspend(struct device *dev)
+{
+ struct acp6x_dev_data *adata;
+ int ret;
+
+ adata = dev_get_drvdata(dev);
+ ret = acp6x_deinit(adata->acp6x_base);
+ if (ret)
+ dev_err(dev, "ACP de-init failed\n");
+ return ret;
+}
+
+static int __maybe_unused snd_acp6x_resume(struct device *dev)
+{
+ struct acp6x_dev_data *adata;
+ int ret;
+
+ adata = dev_get_drvdata(dev);
+ ret = acp6x_init(adata->acp6x_base);
+ if (ret)
+ dev_err(dev, "ACP init failed\n");
+ return ret;
+}
+
+static const struct dev_pm_ops acp6x_pm = {
+ SET_RUNTIME_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(snd_acp6x_suspend, snd_acp6x_resume)
+};
+
static void snd_acp6x_remove(struct pci_dev *pci)
{
struct acp6x_dev_data *adata;
@@ -268,6 +303,8 @@ static void snd_acp6x_remove(struct pci_dev *pci)
ret = acp6x_deinit(adata->acp6x_base);
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);
}
@@ -285,6 +322,9 @@ static struct pci_driver yc_acp6x_driver = {
.id_table = snd_acp6x_ids,
.probe = snd_acp6x_probe,
.remove = snd_acp6x_remove,
+ .driver = {
+ .pm = &acp6x_pm,
+ }
};
module_pci_driver(yc_acp6x_driver);
--
2.25.1