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,