ASoC: omap-mcbsp: Only print warning if the st_data is missing for the port

When asked to add the ST controls warn only if the st_data is missing.
In this way we do not block the otherwise functional card to probe.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 20d30c9ae573..c1f466e1b8b6 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -719,8 +719,10 @@ int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd)
         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
         struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
 
-        if (!mcbsp->st_data)
-                return -ENODEV;
+        if (!mcbsp->st_data) {
+                dev_warn(mcbsp->dev, "No sidetone data for port\n");
+                return 0;
+        }
 
         switch (mcbsp->id) {
         case 2: /* McBSP 2 */