Signed-off-by: Markus Pargmann mpa@pengutronix.de --- sound/soc/mxs/mxs-saif.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-)
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index c8ead01..fc3d89b 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -494,6 +494,7 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); struct mxs_saif *master_saif; u32 delay; + int ret;
master_saif = mxs_saif_get_master(saif); if (!master_saif) @@ -508,21 +509,32 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd,
dev_dbg(cpu_dai->dev, "start\n");
- clk_enable(master_saif->clk); - if (!master_saif->mclk_in_use) - __raw_writel(BM_SAIF_CTRL_RUN, - master_saif->base + SAIF_CTRL + MXS_SET_ADDR); + ret = clk_enable(master_saif->clk); + if (ret) { + dev_err(saif->dev, "Failed to enable master clock\n"); + return ret; + }
/* * If the saif's master is not himself, we also need to enable * itself clk for its internal basic logic to work. */ if (saif != master_saif) { - clk_enable(saif->clk); + ret = clk_enable(saif->clk); + if (ret) { + dev_err(saif->dev, "Failed to enable master clock\n"); + clk_disable(master_saif->clk); + return ret; + } + __raw_writel(BM_SAIF_CTRL_RUN, saif->base + SAIF_CTRL + MXS_SET_ADDR); }
+ if (!master_saif->mclk_in_use) + __raw_writel(BM_SAIF_CTRL_RUN, + master_saif->base + SAIF_CTRL + MXS_SET_ADDR); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* * write data to saif data register to trigger