diff options
| author | Yitian Bu <buyitian@gmail.com> | 2015-10-02 15:18:41 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 20:44:32 +0200 |
| commit | e43e42c69dbd3aefedcb1c2d92b4860e0ea1c9c0 (patch) | |
| tree | 463cda7cf1881834fc069f01bc90ae48480f0929 /sound/soc/dwc | |
| parent | e09bc15b0afedc8d55411eb2aa35f3ef79ed24cb (diff) | |
ASoC: dwc: correct irq clear method
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 <yitian.bu@tangramtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Guendhoer <stefan@guendhoer.com>
Diffstat (limited to 'sound/soc/dwc')
| -rw-r--r-- | sound/soc/dwc/designware_i2s.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index 489a9abf1..6a530afbb 100644 --- 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 dw_i2s_dev *dev, u32 stream) 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)); } } |