ASoC: rsnd: core.c: indicate warning if strange TDM width was set

Current rsnd silently uses default TDM width if it was strange
settings. It is difficult to notice about it.
This patch indicates warning for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lel6ksqn.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index a9125c1ff75ac8af3f07986ddd8dcb2a550fb4c3..cb17f7d0cf0c197afe672997e56c4e764b2b7116 100644 (file)
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -828,6 +828,13 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
                break;
        default:
                /* use default */
+               /*
+                * Indicate warning if DT has "dai-tdm-slot-width"
+                * but the value was not expected.
+                */
+               if (slot_width)
+                       dev_warn(dev, "unsupported TDM slot width (%d), force to use default 32\n",
+                                slot_width);
                slot_width = 32;
        }