From: John Keeping <john@xxxxxxxxxxxx>
This reverts commit 5938448b99275cba95167c3f9d39ca9225fdad38.
It turns out that the commit that made these variables unused is wrong
so we're about to revert it. Bring back the variables in prepration.
Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
---
sound/soc/rockchip/rockchip_i2s.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 2f8e204..34743ec 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -34,6 +34,13 @@ struct rk_i2s_dev {
struct regmap *regmap;
+/*
+ * Used to indicate the tx/rx status.
+ * I2S controller hopes to start the tx and rx together,
+ * also to stop them when they are both try to stop.
+*/
+ bool tx_start;
+ bool rx_start;
bool is_master_mode;
};
@@ -77,7 +84,11 @@ static void rockchip_snd_txctrl(struct rk_i2s_dev *i2s, int on)
regmap_update_bits(i2s->regmap, I2S_XFER,
I2S_XFER_TXS_START,
I2S_XFER_TXS_START);
+
+ i2s->tx_start = true;
} else {
+ i2s->tx_start = false;
+
regmap_update_bits(i2s->regmap, I2S_DMACR,
I2S_DMACR_TDE_ENABLE, I2S_DMACR_TDE_DISABLE);
@@ -115,7 +126,11 @@ static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)
regmap_update_bits(i2s->regmap, I2S_XFER,
I2S_XFER_RXS_START,
I2S_XFER_RXS_START);
+
+ i2s->rx_start = true;
} else {
+ i2s->rx_start = false;
+
regmap_update_bits(i2s->regmap, I2S_DMACR,
I2S_DMACR_RDE_ENABLE, I2S_DMACR_RDE_DISABLE);
--
2.1.0
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