Add acp6x pci driver pm ops.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- 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);