From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 25 Sep 2025 05:17:17 +0000 (+0000)
Subject: ASoC: renesas: msiof: set SIFCTR register
X-Git-Tag: v6.17.8~208
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9af01df3e26c0e8a9c81b4b690337c75b702f2da;p=thirdparty%2Fkernel%2Fstable.git

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 <kuninori.morimoto.gx@renesas.com>
Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Link: https://patch.msgid.link/87bjmzyuub.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/sound/soc/renesas/rcar/msiof.c b/sound/soc/renesas/rcar/msiof.c
index 555fdd4fb2513..ede0211daacba 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;