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authorSugar Zhang <sugar.zhang@rock-chips.com>2016-02-22 15:56:54 +0800
committerMark Brown <broonie@kernel.org>2016-02-22 20:04:45 +0900
commitea2e5b96bd6e835052981b777253def60cfd905f (patch)
treebe391a91021aea52f6dfcd0a12fef3b850bcba07 /sound
parent255edcdfab3d1a45b78d1dacd845d6da5fc64b03 (diff)
downloadop-kernel-dev-ea2e5b96bd6e835052981b777253def60cfd905f.zip
op-kernel-dev-ea2e5b96bd6e835052981b777253def60cfd905f.tar.gz
ASoC: rockchip: i2s: add default values for registers
this patch add default values for registers according description from TRM. Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 531a6d2..2f8e204 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,
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