REG_EASRC_CS0
ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS0(mc->regbase),
{REG_EASRC_CS0(0), 0x00000000},
{REG_EASRC_CS0(1), 0x00000000},
{REG_EASRC_CS0(2), 0x00000000},
{REG_EASRC_CS0(3), 0x00000000},
ret = regmap_read(easrc->regmap, REG_EASRC_CS0(mc->regbase), ®val[0]);