ASoC: renesas: rz-ssi: Enable runtime PM autosuspend support

Enable runtime PM autosuspend support. The chosen autosuspend delay is
zero for immediate autosuspend. In case there are users that need a
different autosuspend delay, it can be adjusted through sysfs.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20241210170953.2936724-15-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/renesas/rz-ssi.c b/sound/soc/renesas/rz-ssi.c
index 878158344f88defcb94c921da47fe3fd2350b63c..eebf2d647ef20c775a2b76dcadf4e7225a19a4ff 100644 (file)
--- a/sound/soc/renesas/rz-ssi.c
+++ b/sound/soc/renesas/rz-ssi.c
@@ -1140,6 +1140,9 @@ static int rz_ssi_probe(struct platform_device *pdev)
        }
 
        reset_control_deassert(ssi->rstc);
+       /* Default 0 for power saving. Can be overridden via sysfs. */
+       pm_runtime_set_autosuspend_delay(dev, 0);
+       pm_runtime_use_autosuspend(dev);
        ret = devm_pm_runtime_enable(dev);
        if (ret < 0) {
                dev_err(dev, "Failed to enable runtime PM!\n");