mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-21 01:51:18 +00:00
Code Issues Releases Wiki Activity

ASoC: amd: add acp6x pci driver pm ops

Browse source 
Add acp6x pci driver pm ops.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20211018112044.1705805-9-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2021-10-18 16:50:39 +05:30 committed by Mark Brown
parent ceb4fcc13a
commit c8212df7bc
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
2 changed files with 43 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
sound/soc/amd/yc/acp6x.h
View file

@ -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,

40
sound/soc/amd/yc/pci-acp6x.c
View file

@ -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);