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Subject[PATCH v2 02/12] ASoC: codecs: rx-macro: handle swr_reset correctly
Date
Reset soundwire block on frame sync generation clock reset.
Without this we are hitting read/write timeouts randomly during
runtime pm. Along with this remove a swr_reset redundant flag.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
sound/soc/codecs/lpass-rx-macro.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 3143f9cd7277..338e3f0cad12 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -596,7 +596,6 @@ struct rx_macro {
int rx_port_value[RX_MACRO_PORTS_MAX];
u16 prim_int_users[INTERP_MAX];
int rx_mclk_users;
- bool reset_swr;
int clsh_users;
int rx_mclk_cnt;
bool is_ear_mode_on;
@@ -3442,18 +3441,15 @@ static int swclk_gate_enable(struct clk_hw *hw)
}

rx_macro_mclk_enable(rx, true);
- if (rx->reset_swr)
- regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_RX_SWR_RESET_MASK,
- CDC_RX_SWR_RESET);
+ regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_RX_SWR_RESET_MASK,
+ CDC_RX_SWR_RESET);

regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
CDC_RX_SWR_CLK_EN_MASK, 1);

- if (rx->reset_swr)
- regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_RX_SWR_RESET_MASK, 0);
- rx->reset_swr = false;
+ regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_RX_SWR_RESET_MASK, 0);

return 0;
}
@@ -3579,7 +3575,6 @@ static int rx_macro_probe(struct platform_device *pdev)

dev_set_drvdata(dev, rx);

- rx->reset_swr = true;
rx->dev = dev;

/* set MCLK and NPL rates */
@@ -3701,7 +3696,6 @@ static int __maybe_unused rx_macro_runtime_resume(struct device *dev)
}
regcache_cache_only(rx->regmap, false);
regcache_sync(rx->regmap);
- rx->reset_swr = true;

return 0;
err_fsgen:
--
2.21.0
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