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ASoC: rockchip: Revert "ASoC: rockchip: i2s: remove unused variables" 

This reverts commit 5938448b99.

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@metanate.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
John Keeping 2016-05-04 17:21:56 +01:00 committed by Mark Brown
parent f55532a0c0
commit a6e806c49e
1 changed files with 15 additions and 0 deletions
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15
sound/soc/rockchip/rockchip_i2s.c
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@ -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);