ASoC: rockchip: pdm: Mark RXFIFO_DATA as volatile and precious (b126fc07) · Commits · 戴 / test

sound/soc/rockchip/rockchip_pdm.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -417,6 +417,7 @@ static bool rockchip_pdm_rd_reg(struct device *dev, unsigned int reg)
		case PDM_INT_CLR:
		case PDM_INT_ST:
		case PDM_DATA_VALID:
		case PDM_RXFIFO_DATA:
		case PDM_VERSION:
		return true;
		default:
		@@ -431,6 +432,17 @@ static bool rockchip_pdm_volatile_reg(struct device *dev, unsigned int reg)
		case PDM_FIFO_CTRL:
		case PDM_INT_CLR:
		case PDM_INT_ST:
		case PDM_RXFIFO_DATA:
		return true;
		default:
		return false;
		}
		}

		static bool rockchip_pdm_precious_reg(struct device *dev, unsigned int reg)
		{
		switch (reg) {
		case PDM_RXFIFO_DATA:
		return true;
		default:
		return false;
		@@ -453,6 +465,7 @@ static const struct regmap_config rockchip_pdm_regmap_config = {
		.writeable_reg = rockchip_pdm_wr_reg,
		.readable_reg = rockchip_pdm_rd_reg,
		.volatile_reg = rockchip_pdm_volatile_reg,
		.precious_reg = rockchip_pdm_precious_reg,
		.cache_type = REGCACHE_FLAT,
		};