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Subject[PATCH] ASoC: rockchip: i2s: add default values for registers
Date
this patch add default values for registers according description from TRM.

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

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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