Merge remote-tracking branches 'spi/topic/dw', 'spi/topic/dw-mid', 'spi/topic/fsl...

[mirror_ubuntu-hirsute-kernel.git] / sound / soc / davinci / davinci-mcasp.c

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 4495a40a94680600ff324bd035098ff3d73f594b..2ccb8bccc9d4cc4a79c6a94abe4dfb1566872737 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -223,8 +223,8 @@ static void mcasp_start_tx(struct davinci_mcasp *mcasp)
 
        /* wait for XDATA to be cleared */
        cnt = 0;
-       while (!(mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) &
-                ~XRDATA) && (cnt < 100000))
+       while ((mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & XRDATA) &&
+              (cnt < 100000))
                cnt++;
 
        /* Release TX state machine */
@@ -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);
@@ -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;