SSO_CON2
regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), 0);
regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin),
regmap_update_bits(priv->mmap, SSO_CON2, BIT(led->desc.pin),
regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin),
err = regmap_write(priv->mmap, SSO_CON2, 0);