diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/imx/imx-esai.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/imx/imx-esai.c b/sound/soc/imx/imx-esai.c index bc56d8073dce..359cb2a4aea0 100644 --- a/sound/soc/imx/imx-esai.c +++ b/sound/soc/imx/imx-esai.c @@ -278,6 +278,12 @@ static int imx_esai_startup(struct snd_pcm_substream *substream, { struct imx_esai *esai = snd_soc_dai_get_drvdata(cpu_dai); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && + (local_esai->imx_esai_txrx_state & IMX_DAI_ESAI_TX)) { + pr_err("error: too much esai playback!\n"); + return -EINVAL; + } + if (!(local_esai->imx_esai_txrx_state & IMX_DAI_ESAI_TXRX)) { clk_enable(esai->clk); |