linux-kernel - [PATCH v1 1/4] ASoC: rockchip: spdif: Mark SPDIF

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Date:   Tue, 24 Aug 2021 18:15:59 +0800
From:   Sugar Zhang <sugar.zhang@...k-chips.com>
To:     broonie@...nel.org, heiko@...ech.de
Cc:     linux-rockchip@...ts.infradead.org,
        Sugar Zhang <sugar.zhang@...k-chips.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/4] ASoC: rockchip: spdif: Mark SPDIF_SMPDR as volatile

This patch marks SPDIF_SMPDR as volatile to make it resaonable,
which also requires marking it as readable, even though it isn't.

Signed-off-by: Sugar Zhang <sugar.zhang@...k-chips.com>
---

 sound/soc/rockchip/rockchip_spdif.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c
index 73226a4..8baa473 100644
--- a/sound/soc/rockchip/rockchip_spdif.c
+++ b/sound/soc/rockchip/rockchip_spdif.c
@@ -247,6 +247,7 @@ static bool rk_spdif_rd_reg(struct device *dev, unsigned int reg)
 	case SPDIF_INTCR:
 	case SPDIF_INTSR:
 	case SPDIF_XFER:
+	case SPDIF_SMPDR:
 		return true;
 	default:
 		return false;
@@ -258,6 +259,7 @@ static bool rk_spdif_volatile_reg(struct device *dev, unsigned int reg)
 	switch (reg) {
 	case SPDIF_INTSR:
 	case SPDIF_SDBLR:
+	case SPDIF_SMPDR:
 		return true;
 	default:
 		return false;
-- 
2.7.4