linux-kernel - [PATCH 06/16] ASoC: sun4i-i2s: Adjust regmap settings

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Date:   Sat,  4 Jul 2020 13:38:52 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Marcus Cooper <codekipper@...il.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Clément Péron <peron.clem@...il.com>
Subject: [PATCH 06/16] ASoC: sun4i-i2s: Adjust regmap settings

From: Marcus Cooper <codekipper@...il.com>

Bypass the regmap cache when flushing or reading the i2s FIFOs.

Signed-off-by: Marcus Cooper <codekipper@...il.com>
Signed-off-by: Clément Péron <peron.clem@...il.com>
---
 sound/soc/sunxi/sun4i-i2s.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index bc7f9343bc7a..d7484c7e8fa2 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -1120,7 +1120,10 @@ static bool sun4i_i2s_wr_reg(struct device *dev, unsigned int reg)
 static bool sun4i_i2s_volatile_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
+	case SUN4I_I2S_FIFO_CTRL_REG:
 	case SUN4I_I2S_FIFO_RX_REG:
+	case SUN4I_I2S_FIFO_STA_REG:
+	case SUN4I_I2S_FIFO_TX_REG:
 	case SUN4I_I2S_INT_STA_REG:
 	case SUN4I_I2S_RX_CNT_REG:
 	case SUN4I_I2S_TX_CNT_REG:
-- 
2.25.1