diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/fsl_asrc.c | 70 |
1 files changed, 27 insertions, 43 deletions
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index d79d2c7f8d36..95f6a9617b0b 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -1105,6 +1105,7 @@ static int fsl_asrc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, asrc); pm_runtime_enable(&pdev->dev); spin_lock_init(&asrc->lock); + regcache_cache_only(asrc->regmap, true); ret = devm_snd_soc_register_component(&pdev->dev, &fsl_asrc_component, &fsl_asrc_dai, 1); @@ -1122,6 +1123,7 @@ static int fsl_asrc_runtime_resume(struct device *dev) struct fsl_asrc *asrc = dev_get_drvdata(dev); struct fsl_asrc_priv *asrc_priv = asrc->private; int i, ret; + u32 asrctr; ret = clk_prepare_enable(asrc->mem_clk); if (ret) @@ -1140,6 +1142,24 @@ static int fsl_asrc_runtime_resume(struct device *dev) goto disable_asrck_clk; } + /* Stop all pairs provisionally */ + regmap_read(asrc->regmap, REG_ASRCTR, &asrctr); + regmap_update_bits(asrc->regmap, REG_ASRCTR, + ASRCTR_ASRCEi_ALL_MASK, 0); + + /* Restore all registers */ + regcache_cache_only(asrc->regmap, false); + regcache_mark_dirty(asrc->regmap); + regcache_sync(asrc->regmap); + + regmap_update_bits(asrc->regmap, REG_ASRCFG, + ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK | + ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg); + + /* Restart enabled pairs */ + regmap_update_bits(asrc->regmap, REG_ASRCTR, + ASRCTR_ASRCEi_ALL_MASK, asrctr); + return 0; disable_asrck_clk: @@ -1160,6 +1180,11 @@ static int fsl_asrc_runtime_suspend(struct device *dev) struct fsl_asrc_priv *asrc_priv = asrc->private; int i; + regmap_read(asrc->regmap, REG_ASRCFG, + &asrc_priv->regcache_cfg); + + regcache_cache_only(asrc->regmap, true); + for (i = 0; i < ASRC_CLK_MAX_NUM; i++) clk_disable_unprepare(asrc_priv->asrck_clk[i]); if (!IS_ERR(asrc->spba_clk)) @@ -1171,51 +1196,10 @@ static int fsl_asrc_runtime_suspend(struct device *dev) } #endif /* CONFIG_PM */ -#ifdef CONFIG_PM_SLEEP -static int fsl_asrc_suspend(struct device *dev) -{ - struct fsl_asrc *asrc = dev_get_drvdata(dev); - struct fsl_asrc_priv *asrc_priv = asrc->private; - - regmap_read(asrc->regmap, REG_ASRCFG, - &asrc_priv->regcache_cfg); - - regcache_cache_only(asrc->regmap, true); - regcache_mark_dirty(asrc->regmap); - - return 0; -} - -static int fsl_asrc_resume(struct device *dev) -{ - struct fsl_asrc *asrc = dev_get_drvdata(dev); - struct fsl_asrc_priv *asrc_priv = asrc->private; - u32 asrctr; - - /* Stop all pairs provisionally */ - regmap_read(asrc->regmap, REG_ASRCTR, &asrctr); - regmap_update_bits(asrc->regmap, REG_ASRCTR, - ASRCTR_ASRCEi_ALL_MASK, 0); - - /* Restore all registers */ - regcache_cache_only(asrc->regmap, false); - regcache_sync(asrc->regmap); - - regmap_update_bits(asrc->regmap, REG_ASRCFG, - ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK | - ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg); - - /* Restart enabled pairs */ - regmap_update_bits(asrc->regmap, REG_ASRCTR, - ASRCTR_ASRCEi_ALL_MASK, asrctr); - - return 0; -} -#endif /* CONFIG_PM_SLEEP */ - static const struct dev_pm_ops fsl_asrc_pm = { SET_RUNTIME_PM_OPS(fsl_asrc_runtime_suspend, fsl_asrc_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = { |