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-rw-r--r--sound/soc/davinci/davinci-mcasp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index caa0bebcd7f4..c1c9c2e3525b 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -908,6 +908,14 @@ static int mcasp_i2s_hw_param(struct davinci_mcasp *mcasp, int stream,
mcasp_set_bits(mcasp, DAVINCI_MCASP_RXFMT_REG, busel | RXORD);
mcasp_mod_bits(mcasp, DAVINCI_MCASP_RXFMCTL_REG,
FSRMOD(total_slots), FSRMOD(0x1FF));
+ /*
+ * If McASP is set to be TX/RX synchronous and the playback is
+ * not running already we need to configure the TX slots in
+ * order to have correct FSX on the bus
+ */
+ if (mcasp_is_synchronous(mcasp) && !mcasp->channels)
+ mcasp_mod_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG,
+ FSXMOD(total_slots), FSXMOD(0x1FF));
}
return 0;