summaryrefslogtreecommitdiff
path: root/sound/soc/davinci/davinci-mcasp.h
diff options
context:
space:
mode:
authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-10-29 13:55:44 +0200
committerMark Brown <broonie@kernel.org>2014-10-29 12:31:38 +0000
commit36bcecd0a73eb4a11c9748bc96c2d254d5364d12 (patch)
tree8bd9be21f9c04249f53387928610230171cd754f /sound/soc/davinci/davinci-mcasp.h
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
downloadlinux-36bcecd0a73eb4a11c9748bc96c2d254d5364d12.tar.gz
ASoC: davinci-mcasp: Correct TX start sequence
Follow the sequence described in the TRMs when starting TX. This sequence will make sure that we are not facing with initial channel swap caused by no data available in McASP for transmit. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.h')
-rw-r--r--sound/soc/davinci/davinci-mcasp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.h b/sound/soc/davinci/davinci-mcasp.h
index 98fbc451892a..9737108f0305 100644
--- a/sound/soc/davinci/davinci-mcasp.h
+++ b/sound/soc/davinci/davinci-mcasp.h
@@ -253,6 +253,12 @@
#define TXFSRST BIT(12) /* Frame Sync Generator Reset */
/*
+ * DAVINCI_MCASP_TXSTAT_REG - Transmitter Status Register Bits
+ * DAVINCI_MCASP_RXSTAT_REG - Receiver Status Register Bits
+ */
+#define XRDATA BIT(5) /* Transmit/Receive data ready */
+
+/*
* DAVINCI_MCASP_AMUTE_REG - Mute Control Register Bits
*/
#define MUTENA(val) (val)