diff options
| -rw-r--r-- | sound/soc/mxs/mxs-saif.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index a002ab892772..9012a2036131 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -299,6 +299,16 @@ static int mxs_saif_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) return -EBUSY; } + /* If SAIF1 is configured as slave, the clk gate needs to be cleared + * before the register can be written. + */ + if (saif->id != saif->master_id) { + __raw_writel(BM_SAIF_CTRL_SFTRST, + saif->base + SAIF_CTRL + MXS_CLR_ADDR); + __raw_writel(BM_SAIF_CTRL_CLKGATE, + saif->base + SAIF_CTRL + MXS_CLR_ADDR); + } + scr0 = __raw_readl(saif->base + SAIF_CTRL); scr0 = scr0 & ~BM_SAIF_CTRL_BITCLK_EDGE & ~BM_SAIF_CTRL_LRCLK_POLARITY \ & ~BM_SAIF_CTRL_JUSTIFY & ~BM_SAIF_CTRL_DELAY; |