From fb20de606316a446efdfb0f775a892f782165783 Mon Sep 17 00:00:00 2001
From: Sugar Zhang <sugar.zhang@rock-chips.com>
Date: Wed, 3 Apr 2019 21:40:46 +0800
Subject: [PATCH] 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>
---
sound/soc/rockchip/rockchip_pdm.c | 1 +
sound/soc/rockchip/rockchip_pdm.h | 3 +++
2 files changed, 4 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 400e29edb1c9c..ba61a4b27d399 100644
--- 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 886b48d128fd9..00a8fa187d22c 100644
--- 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)
--
2.30.2