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[PATCH 1/7] ASoC: rockchip: Revert "ASoC: rockchip: i2s: remove unused variables"

From Enric Balletbo i Serra <enric.balletbo@collabora.com>
Newsgroups linux.kernel
Subject [PATCH 1/7] ASoC: rockchip: Revert "ASoC: rockchip: i2s: remove unused variables"
Date 2016-05-05 10:10 +0200
Message-ID <rvmwa-4mY-7@gated-at.bofh.it> (permalink)
References <rvmwa-4mY-5@gated-at.bofh.it>
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From: John Keeping <john@metanate.com>

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@metanate.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
---
 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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Thread

[PATCH 0/7] ASoC: rockchip: Fix audio on Veyron. Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
  [PATCH 1/7] ASoC: rockchip: Revert "ASoC: rockchip: i2s: remove unused variables" Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
  [PATCH 7/7] ARM: dts: rockchip: veyron: Add analog audio codecs. Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
  [PATCH 2/7] ASoC: rockchip: Revert "ASoC: rockchip: i2s: separate capture and playback" Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
  [PATCH 5/7] ASoC: rockchip-max98090: Fix DAPM unknown pin for Headset Jack Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
    Re: [PATCH 5/7] ASoC: rockchip-max98090: Fix DAPM unknown pin for  Headset Jack Mark Brown <broonie@kernel.org> - 2016-05-05 21:30 +0200
  [PATCH 4/7] ASoC: rockchip-max98090: Fix the Headset Mic route. Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
    Re: [PATCH 4/7] ASoC: rockchip-max98090: Fix the Headset Mic route. Mark Brown <broonie@kernel.org> - 2016-05-05 21:20 +0200
    Applied "ASoC: rockchip-max98090: Fix the Headset Mic route." to the asoc tree Mark Brown <broonie@kernel.org> - 2016-05-10 21:00 +0200
  [PATCH 3/7] ASoC: rockchip-max98090: Fix NULL pointer de reference while accessing to jack Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200
    Applied "ASoC: rockchip-max98090: Fix NULL pointer dereference while accessing to jack." to the asoc tree Mark Brown <broonie@kernel.org> - 2016-05-10 21:00 +0200
  [PATCH 6/7] ARM: dts: rockchip: Add shared file for audio related nodes for veyron boards Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2016-05-05 10:10 +0200

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