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raw | patch | inline | side by side (parent: 2f32be0)
raw | patch | inline | side by side (parent: 2f32be0)
author | Yitian Bu <buyitian@gmail.com> | |
Fri, 2 Oct 2015 07:18:41 +0000 (15:18 +0800) | ||
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
Thu, 22 Oct 2015 21:39:19 +0000 (14:39 -0700) |
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>
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>
sound/soc/dwc/designware_i2s.c | patch | blob | history |
index 2f6357578616af6e885d7108f64dd314f4e65ac6..1b6cbbc95456abd6740e62e984151c1f2f0d7128 100644 (file)
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));
}
}