[PATCH] ASoC: davinci-mcasp: Fix TDM slot rx/tx mask associations

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Fixes the associations between the tx_mask and rx_mask and the associated
playback / capture streams during setting of the TDM slot. With this
patch in place it is now possible for example to only populate tx_mask
(leaving rx_mask as 0) for output-only codecs to control the TDM slot(s)
the McASP serial port uses for transmit. Before that, this scenario
would incorrectly rely on the rx_mask for this.

Signed-off-by: Andreas Dannenberg <dannenberg@xxxxxx>
---
 sound/soc/davinci/davinci-mcasp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 4495a40..caa0beb 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -681,8 +681,8 @@ static int davinci_mcasp_set_tdm_slot(struct snd_soc_dai *dai,
 	}
 
 	mcasp->tdm_slots = slots;
-	mcasp->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = rx_mask;
-	mcasp->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = tx_mask;
+	mcasp->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask;
+	mcasp->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = rx_mask;
 	mcasp->slot_width = slot_width;
 
 	return davinci_mcasp_set_ch_constraints(mcasp);
-- 
1.9.1

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