From 9af01df3e26c0e8a9c81b4b690337c75b702f2da Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 25 Sep 2025 05:17:17 +0000 Subject: [PATCH] ASoC: renesas: msiof: set SIFCTR register [ Upstream commit 130947b4681c515a5e5a7961244b502de2de85ca ] Because it uses DMAC, we would like to transfer data if there is any data. Set SIFCTR for it. Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Link: https://patch.msgid.link/87bjmzyuub.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/renesas/rcar/msiof.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/renesas/rcar/msiof.c b/sound/soc/renesas/rcar/msiof.c index 555fdd4fb251..ede0211daacb 100644 --- a/sound/soc/renesas/rcar/msiof.c +++ b/sound/soc/renesas/rcar/msiof.c @@ -185,6 +185,12 @@ static int msiof_hw_start(struct snd_soc_component *component, msiof_write(priv, SIRMDR3, val); } + /* SIFCTR */ + if (is_play) + msiof_update(priv, SIFCTR, SIFCTR_TFWM, FIELD_PREP(SIFCTR_TFWM, SIFCTR_TFWM_1)); + else + msiof_update(priv, SIFCTR, SIFCTR_RFWM, FIELD_PREP(SIFCTR_RFWM, SIFCTR_RFWM_1)); + /* SIIER */ if (is_play) val = SIIER_TDREQE | SIIER_TDMAE | SISTR_ERR_TX;