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

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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);