Current adg.c doesn't assume that requested clock out divide condition doesn't match. In such case, it will indicate strange message, and will register NULL clock, etc. It is just a DT setting miss, but is confusable. This patch check all conditions for it. Reported-by: Vincenzo De Michele <vincenzo.michele@xxxxxxxxxx> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- sound/soc/sh/rcar/adg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 55a51ea12144..5528351c7535 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -608,6 +608,10 @@ static int rsnd_adg_get_clkout(struct rsnd_priv *priv) } } + if (!(adg->brg_rate[ADG_HZ_48] && req_Hz[ADG_HZ_48]) && + !(adg->brg_rate[ADG_HZ_441] && req_Hz[ADG_HZ_441])) + goto rsnd_adg_get_clkout_end; + if (approximate) dev_info(dev, "It uses CLK_I as approximate rate"); -- 2.25.1
