Thread (2 messages) 2 messages, 2 authors, 2016-02-24
STALE3769d

[PATCH] ASoC: rockchip: i2s: add default values for registers

From: Sugar Zhang <hidden>
Date: 2016-02-23 01:25:39
Also in: alsa-devel, linux-rockchip, lkml
Subsystem: arm/rockchip soc support, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers: Heiko Stuebner, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds

this patch add default values for registers according description from TRM.

Signed-off-by: Sugar Zhang <redacted>
---

 sound/soc/rockchip/rockchip_i2s.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 6561c4c..a0b0942 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -440,11 +440,21 @@ static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg)
 	}
 }
 
+static const struct reg_default rockchip_i2s_reg_defaults[] = {
+	{0x00, 0x0000000f},
+	{0x04, 0x0000000f},
+	{0x08, 0x00071f1f},
+	{0x10, 0x001f0000},
+	{0x14, 0x01f00000},
+};
+
 static const struct regmap_config rockchip_i2s_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
 	.max_register = I2S_RXDR,
+	.reg_defaults = rockchip_i2s_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rockchip_i2s_reg_defaults),
 	.writeable_reg = rockchip_i2s_wr_reg,
 	.readable_reg = rockchip_i2s_rd_reg,
 	.volatile_reg = rockchip_i2s_volatile_reg,
-- 
1.9.1
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