ASoC: rockchip: pdm: using left justified store mode

This patch set left justified store mode default.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 400e29e..ba61a4b 100644 (file)
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -135,6 +135,7 @@ static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream,
        regmap_update_bits(pdm->regmap, PDM_HPF_CTRL,
                           PDM_HPF_LE | PDM_HPF_RE, PDM_HPF_LE | PDM_HPF_RE);
        regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_CLK_EN, PDM_CLK_EN);
+       regmap_update_bits(pdm->regmap, PDM_CTRL0, PDM_MODE_MSK, PDM_MODE_LJ);
 
        val = 0;
        switch (params_format(params)) {

diff --git a/sound/soc/rockchip/rockchip_pdm.h b/sound/soc/rockchip/rockchip_pdm.h
index 886b48d..00a8fa1 100644 (file)
--- a/sound/soc/rockchip/rockchip_pdm.h
+++ b/sound/soc/rockchip/rockchip_pdm.h
@@ -42,6 +42,9 @@
 
 /* PDM CTRL0 */
 #define PDM_PATH_MSK           (0xf << 27)
+#define PDM_MODE_MSK           BIT(31)
+#define PDM_MODE_RJ            0
+#define PDM_MODE_LJ            BIT(31)
 #define PDM_PATH3_EN           BIT(30)
 #define PDM_PATH2_EN           BIT(29)
 #define PDM_PATH1_EN           BIT(28)