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ASoC: rockchip: i2s-tdm: Add support for platform shutdown

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This patch allow driver to stop controller in shutdown flow.
A clean stage is safety to reboot. otherwise, there maybe
a risk to hang on DMAC-AXI-I2S state.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I7d04d7a128004ef371cf94bec04aedc895370cd6
This commit is contained in:
Sugar Zhang 2022-10-20 14:32:29 +08:00
parent 9c64acb34a
commit f7d4e932d8
1 changed files with 11 additions and 0 deletions
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11
sound/soc/rockchip/rockchip_i2s_tdm.c
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@ -2282,6 +2282,16 @@ static int rockchip_i2s_tdm_remove(struct platform_device *pdev)
return 0;
}
static void rockchip_i2s_tdm_platform_shutdown(struct platform_device *pdev)
{
struct rk_i2s_tdm_dev *i2s_tdm = dev_get_drvdata(&pdev->dev);
pm_runtime_get_sync(i2s_tdm->dev);
rockchip_i2s_tdm_stop(i2s_tdm, SNDRV_PCM_STREAM_PLAYBACK);
rockchip_i2s_tdm_stop(i2s_tdm, SNDRV_PCM_STREAM_CAPTURE);
pm_runtime_put(i2s_tdm->dev);
}
#ifdef CONFIG_PM_SLEEP
static int rockchip_i2s_tdm_suspend(struct device *dev)
{
@ -2317,6 +2327,7 @@ static const struct dev_pm_ops rockchip_i2s_tdm_pm_ops = {
static struct platform_driver rockchip_i2s_tdm_driver = {
.probe = rockchip_i2s_tdm_probe,
.remove = rockchip_i2s_tdm_remove,
.shutdown = rockchip_i2s_tdm_platform_shutdown,
.driver = {
.name = DRV_NAME,
.of_match_table = of_match_ptr(rockchip_i2s_tdm_match),