ASoC: rockchip: i2s: add a delay before i2s clear

[firefly-linux-kernel-4.4.55.git] / sound / soc / rockchip / rockchip_i2s.c

diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 711c3db889cb41d5275d0af6b7ba8b2ed0375b7f..68fea0a32eeea1c09efde4a8d774322f43516b12 100644 (file)
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -117,6 +117,7 @@ static void rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on)
                                           I2S_XFER_TXS_STOP |
                                           I2S_XFER_RXS_STOP);
 
+                       udelay(150);
                        regmap_update_bits(i2s->regmap, I2S_CLR,
                                           I2S_CLR_TXC | I2S_CLR_RXC,
                                           I2S_CLR_TXC | I2S_CLR_RXC);
@@ -163,6 +164,7 @@ static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)
                                           I2S_XFER_TXS_STOP |
                                           I2S_XFER_RXS_STOP);
 
+                       udelay(150);
                        regmap_update_bits(i2s->regmap, I2S_CLR,
                                           I2S_CLR_TXC | I2S_CLR_RXC,
                                           I2S_CLR_TXC | I2S_CLR_RXC);