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Updated AW87xxx driver to implement Suspend and Resume. #6

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May 22, 2024
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Updated AW87xxx driver to implement Suspend and Resume. #6

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39 changes: 39 additions & 0 deletions sound/soc/codecs/aw87xxx/aw87xxx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1471,6 +1471,44 @@ static void aw87xxx_i2c_shutdown(struct i2c_client *client)
aw87xxx_update_profile(aw87xxx, aw87xxx->prof_off_name);
}


static int aw87xxx_runtime_suspend(struct device *dev)
{
struct aw87xxx *aw87xxx = dev_get_drvdata(dev);

AW_DEV_LOGI(aw87xxx->dev, "Suspending...");

// soft and hw power off
aw87xxx_update_profile(aw87xxx, aw87xxx->prof_off_name);

return 0;
}

static int aw87xxx_runtime_resume(struct device *dev)
{
struct list_head *pos = NULL;
struct aw87xxx *aw87xxx = dev_get_drvdata(dev);

// Power on PA
if (aw87xxx->dev_index == 1)
aw87xxx_dev_hw_pwr_ctrl(&aw87xxx->aw_dev, true);

// Set profile to Music
list_for_each_prev(pos, &g_aw87xxx_list) {
aw87xxx = list_entry(pos, struct aw87xxx, list);
AW_DEV_LOGI(aw87xxx->dev, "Resuming...");

mutex_lock(&aw87xxx->reg_lock);
aw87xxx_power_on(aw87xxx, AW87XXX_PROF_MUSIC);
mutex_unlock(&aw87xxx->reg_lock);

}

return 0;
}

static SIMPLE_DEV_PM_OPS(aw87xxx_pm_ops, aw87xxx_runtime_suspend, aw87xxx_runtime_resume);

static const struct acpi_device_id aw87xxx_acpi_match[] = {
{ "AWDZ8830", 0 },
{ }
Expand All @@ -1488,6 +1526,7 @@ static struct i2c_driver aw87xxx_i2c_driver = {
.owner = THIS_MODULE,
.name = AW87XXX_I2C_NAME,
.acpi_match_table = aw87xxx_acpi_match,
.pm = &aw87xxx_pm_ops,
},
.probe = aw87xxx_i2c_probe,
.remove = aw87xxx_i2c_remove,
Expand Down