android/android_kernel_samsung_sm8650-modules
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Merge "audio-kernel-ar: Use virt_sndcard_ctl node for sndcard status update"

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qctecmdr 2023-12-26 21:47:36 -08:00 committed by Gerrit - the friendly Code Review server
commit dc5fc099b2
1 changed files with 73 additions and 1 deletions
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74
asoc/gvm_auto_spf_dummy.c
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@ -24,7 +24,8 @@
#include "msm_dailink.h"
#include <soc/qcom/boot_stats.h>
#include "msm_common.h"
#include <linux/cdev.h>
#include <linux/err.h>
#define DRV_NAME "spf-asoc-snd"
@ -60,6 +61,9 @@
#define MSM_HIFI_ON 1
#define DIR_SZ 10
#define AUTO_VIRT_SNDCARD_ONLINE 0
#define AUTO_VIRT_SNDCARD_OFFLINE 1
struct snd_card_pdata {
struct kobject snd_card_kobj;
int card_status;
@ -692,6 +696,70 @@ void msm_common_set_pdata(struct snd_soc_card *card,
pdata->common_pdata = common_pdata;
}
static long virt_sndcard_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
{
int ret = 0;
switch (cmd) {
case AUTO_VIRT_SNDCARD_OFFLINE:
snd_card_notify_user(SND_CARD_STATUS_OFFLINE);
pr_debug("%s: mark sndcard offline\n", __func__);
break;
case AUTO_VIRT_SNDCARD_ONLINE:
snd_card_notify_user(SND_CARD_STATUS_ONLINE);
pr_debug("%s: mark sndcard online\n", __func__);
break;
default:
pr_err("%s: Invalid command = %d\n", __func__, cmd);
ret = -EFAULT;
break;
}
return ret;
}
static const struct file_operations virt_sndcard_ctl_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = virt_sndcard_ioctl,
};
static struct cdev virt_sndcard_ctl = {
.ops = &virt_sndcard_ctl_fops,
};
int msm_audio_ssr_register(struct cdev *virt_sndcard_ctl)
{
static struct class *dev_class;
dev_t dev;
if ((alloc_chrdev_region(&dev, 0, 1, "virt_sndcard_ctl")) < 0) {
pr_err("%s: Cannot allocate major number\n", __func__);
return -EINVAL;
}
pr_debug("Major = %d Minor = %d\n", MAJOR(dev), MINOR(dev));
cdev_init(virt_sndcard_ctl, &virt_sndcard_ctl_fops);
if ((cdev_add(virt_sndcard_ctl, dev, 1)) < 0) {
pr_err("%s: Cannot add the device to the system\n", __func__);
goto err;
}
dev_class = class_create(THIS_MODULE, "SSR");
if (IS_ERR(dev_class)) {
pr_err("%s: Cannot create the struct class\n", __func__);
goto err;
}
if (IS_ERR(device_create(dev_class, NULL, dev, NULL, "virt_sndcard_ctl"))) {
pr_err("%s: Cannot create the Device\n", __func__);
goto fail;
}
return 0;
fail:
class_destroy(dev_class);
err:
unregister_chrdev_region(dev, 1);
return -EINVAL;
}
static int msm_asoc_machine_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
@ -752,6 +820,10 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
pr_debug("%s: DRIVER Audio Ready\n", __func__);
spdev = pdev;
ret = msm_audio_ssr_register(&virt_sndcard_ctl);
if (ret)
pr_err("%s: Audio virtual sndcard ctrl register fail, ret=%d\n", __func__, ret);
dev_info(&pdev->dev, "Audio virtual sndcard ctrl register complete\n");
ret = snd_card_sysfs_init();
if (ret)