[PATCH] ASoC: ti: Fix runtime PM imbalance in omap2_mcbsp_set_clks_src

[Dinghao Liu]

When clk_set_parent() returns an error code, a pairing
runtime PM usage counter increment is needed to keep the
counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu at zju.edu.cn>
---
 sound/soc/ti/omap-mcbsp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c
index 3d41ca2238d4..84b4de9b670c 100644
--- a/sound/soc/ti/omap-mcbsp.c
+++ b/sound/soc/ti/omap-mcbsp.c
@@ -80,6 +80,7 @@ static int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id)
 	if (r) {
 		dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n",
 			src);
+		pm_runtime_get_sync(mcbsp->dev);
 		clk_put(fck_src);
 		return r;
 	}
-- 
2.17.1