This is a note to let you know that I've just added the patch titled
ASoC: dwc: correct irq clear method
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-dwc-correct-irq-clear-method.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 4873867e5f2bd90faad861dd94865099fc3140f3 Mon Sep 17 00:00:00 2001
From: Yitian Bu <[email protected]>
Date: Fri, 2 Oct 2015 15:18:41 +0800
Subject: ASoC: dwc: correct irq clear method
From: Yitian Bu <[email protected]>
commit 4873867e5f2bd90faad861dd94865099fc3140f3 upstream.
from Designware I2S datasheet, tx/rx XRUN irq is cleared by
reading register TOR/ROR, rather than by writing into them.
Signed-off-by: Yitian Bu <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/dwc/designware_i2s.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -100,10 +100,10 @@ static inline void i2s_clear_irqs(struct
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
for (i = 0; i < 4; i++)
- i2s_write_reg(dev->i2s_base, TOR(i), 0);
+ i2s_read_reg(dev->i2s_base, TOR(i));
} else {
for (i = 0; i < 4; i++)
- i2s_write_reg(dev->i2s_base, ROR(i), 0);
+ i2s_read_reg(dev->i2s_base, ROR(i));
}
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/asoc-dwc-correct-irq-clear-method.patch
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