diff options
Diffstat (limited to 'sound/soc/mxs/mxs-saif.c')
-rw-r--r-- | sound/soc/mxs/mxs-saif.c | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index 76dc74d24fc..f204dbac11d 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -124,6 +124,8 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, * * If MCLK is not used, we just set saif clk to 512*fs. */ + clk_prepare_enable(master_saif->clk); + if (master_saif->mclk_in_use) { if (mclk % 32 == 0) { scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; @@ -133,6 +135,7 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, ret = clk_set_rate(master_saif->clk, 384 * rate); } else { /* SAIF MCLK should be either 32x or 48x */ + clk_disable_unprepare(master_saif->clk); return -EINVAL; } } else { @@ -140,6 +143,8 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; } + clk_disable_unprepare(master_saif->clk); + if (ret) return ret; @@ -210,7 +215,7 @@ int mxs_saif_put_mclk(unsigned int saif_id) return -EBUSY; } - clk_disable(saif->clk); + clk_disable_unprepare(saif->clk); /* disable MCLK output */ __raw_writel(BM_SAIF_CTRL_CLKGATE, @@ -264,7 +269,7 @@ int mxs_saif_get_mclk(unsigned int saif_id, unsigned int mclk, if (ret) return ret; - ret = clk_enable(saif->clk); + ret = clk_prepare_enable(saif->clk); if (ret) return ret; @@ -550,7 +555,7 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S24_LE) -static struct snd_soc_dai_ops mxs_saif_dai_ops = { +static const struct snd_soc_dai_ops mxs_saif_dai_ops = { .startup = mxs_saif_startup, .trigger = mxs_saif_trigger, .prepare = mxs_saif_prepare, @@ -625,13 +630,6 @@ static int mxs_saif_probe(struct platform_device *pdev) if (pdev->id >= ARRAY_SIZE(mxs_saif)) return -EINVAL; - pdata = pdev->dev.platform_data; - if (pdata && pdata->init) { - ret = pdata->init(); - if (ret) - return ret; - } - saif = kzalloc(sizeof(*saif), GFP_KERNEL); if (!saif) return -ENOMEM; @@ -639,12 +637,17 @@ static int mxs_saif_probe(struct platform_device *pdev) mxs_saif[pdev->id] = saif; saif->id = pdev->id; - saif->master_id = saif->id; - if (pdata && pdata->get_master_id) { - saif->master_id = pdata->get_master_id(saif->id); + pdata = pdev->dev.platform_data; + if (pdata && !pdata->master_mode) { + saif->master_id = pdata->master_id; if (saif->master_id < 0 || - saif->master_id >= ARRAY_SIZE(mxs_saif)) + saif->master_id >= ARRAY_SIZE(mxs_saif) || + saif->master_id == saif->id) { + dev_err(&pdev->dev, "get wrong master id\n"); return -EINVAL; + } + } else { + saif->master_id = saif->id; } saif->clk = clk_get(&pdev->dev, NULL); @@ -781,18 +784,8 @@ static struct platform_driver mxs_saif_driver = { }, }; -static int __init mxs_saif_init(void) -{ - return platform_driver_register(&mxs_saif_driver); -} - -static void __exit mxs_saif_exit(void) -{ - platform_driver_unregister(&mxs_saif_driver); -} +module_platform_driver(mxs_saif_driver); -module_init(mxs_saif_init); -module_exit(mxs_saif_exit); MODULE_AUTHOR("Freescale Semiconductor, Inc."); MODULE_DESCRIPTION("MXS ASoC SAIF driver"); MODULE_LICENSE("GPL"); |