Patch "ASoC: dwc: correct irq clear method" has been added to the 4.1-stable tree

This is a note to let you know that I've just added the patch titled

ASoC: dwc: correct irq clear method

to the 4.1-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-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

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.

---
 sound/soc/dwc/designware_i2s.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

@@ -131,10 +131,10 @@ 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-4.1/asoc-dwc-correct-irq-clear-method.patch