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-rw-r--r--sound/soc/mxs/mxs-saif.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c
index aa037b292f3d..c294fbb523fc 100644
--- a/sound/soc/mxs/mxs-saif.c
+++ b/sound/soc/mxs/mxs-saif.c
@@ -523,16 +523,24 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd,
523 523
524 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 524 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
525 /* 525 /*
526 * write a data to saif data register to trigger 526 * write data to saif data register to trigger
527 * the transfer 527 * the transfer.
528 * For 24-bit format the 32-bit FIFO register stores
529 * only one channel, so we need to write twice.
530 * This is also safe for the other non 24-bit formats.
528 */ 531 */
529 __raw_writel(0, saif->base + SAIF_DATA); 532 __raw_writel(0, saif->base + SAIF_DATA);
533 __raw_writel(0, saif->base + SAIF_DATA);
530 } else { 534 } else {
531 /* 535 /*
532 * read a data from saif data register to trigger 536 * read data from saif data register to trigger
533 * the receive 537 * the receive.
538 * For 24-bit format the 32-bit FIFO register stores
539 * only one channel, so we need to read twice.
540 * This is also safe for the other non 24-bit formats.
534 */ 541 */
535 __raw_readl(saif->base + SAIF_DATA); 542 __raw_readl(saif->base + SAIF_DATA);
543 __raw_readl(saif->base + SAIF_DATA);
536 } 544 }
537 545
538 master_saif->ongoing = 1; 546 master_saif->ongoing = 1;
@@ -812,3 +820,4 @@ module_platform_driver(mxs_saif_driver);
812MODULE_AUTHOR("Freescale Semiconductor, Inc."); 820MODULE_AUTHOR("Freescale Semiconductor, Inc.");
813MODULE_DESCRIPTION("MXS ASoC SAIF driver"); 821MODULE_DESCRIPTION("MXS ASoC SAIF driver");
814MODULE_LICENSE("GPL"); 822MODULE_LICENSE("GPL");
823MODULE_ALIAS("platform:mxs-saif");