diff options
Diffstat (limited to 'sound/soc/fsl/fsl_esai.c')
| -rw-r--r-- | sound/soc/fsl/fsl_esai.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index 59f234e51971..6746f76a8c7f 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -35,6 +35,7 @@ * @coreclk: clock source to access register * @extalclk: esai clock source to derive HCK, SCK and FS * @fsysclk: system clock source to derive HCK, SCK and FS + * @spbaclk: SPBA clock (optional, depending on SoC design) * @fifo_depth: depth of tx/rx FIFO * @slot_width: width of each DAI slot * @slots: number of slots @@ -54,6 +55,7 @@ struct fsl_esai { struct clk *coreclk; struct clk *extalclk; struct clk *fsysclk; + struct clk *spbaclk; u32 fifo_depth; u32 slot_width; u32 slots; @@ -469,6 +471,11 @@ static int fsl_esai_startup(struct snd_pcm_substream *substream, ret = clk_prepare_enable(esai_priv->coreclk); if (ret) return ret; + if (!IS_ERR(esai_priv->spbaclk)) { + ret = clk_prepare_enable(esai_priv->spbaclk); + if (ret) + goto err_spbaclk; + } if (!IS_ERR(esai_priv->extalclk)) { ret = clk_prepare_enable(esai_priv->extalclk); if (ret) @@ -499,6 +506,9 @@ err_fsysclk: if (!IS_ERR(esai_priv->extalclk)) clk_disable_unprepare(esai_priv->extalclk); err_extalck: + if (!IS_ERR(esai_priv->spbaclk)) + clk_disable_unprepare(esai_priv->spbaclk); +err_spbaclk: clk_disable_unprepare(esai_priv->coreclk); return ret; @@ -564,6 +574,8 @@ static void fsl_esai_shutdown(struct snd_pcm_substream *substream, clk_disable_unprepare(esai_priv->fsysclk); if (!IS_ERR(esai_priv->extalclk)) clk_disable_unprepare(esai_priv->extalclk); + if (!IS_ERR(esai_priv->spbaclk)) + clk_disable_unprepare(esai_priv->spbaclk); clk_disable_unprepare(esai_priv->coreclk); } @@ -819,6 +831,11 @@ static int fsl_esai_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "failed to get fsys clock: %ld\n", PTR_ERR(esai_priv->fsysclk)); + esai_priv->spbaclk = devm_clk_get(&pdev->dev, "spba"); + if (IS_ERR(esai_priv->spbaclk)) + dev_warn(&pdev->dev, "failed to get spba clock: %ld\n", + PTR_ERR(esai_priv->spbaclk)); + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "no irq for node %s\n", pdev->name); |