diff options
Diffstat (limited to 'drivers/mfd/arizona-core.c')
| -rw-r--r-- | drivers/mfd/arizona-core.c | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index bc8a3edb6bbf..b562c7bf8a46 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -115,7 +115,7 @@ static irqreturn_t arizona_underclocked(int irq, void *data) if (val & ARIZONA_ADC_UNDERCLOCKED_STS) dev_err(arizona->dev, "ADC underclocked\n"); if (val & ARIZONA_MIXER_UNDERCLOCKED_STS) - dev_err(arizona->dev, "Mixer underclocked\n"); + dev_err(arizona->dev, "Mixer dropped sample\n"); return IRQ_HANDLED; } @@ -239,7 +239,12 @@ static int arizona_runtime_resume(struct device *dev) return ret; } - regcache_sync(arizona->regmap); + ret = regcache_sync(arizona->regmap); + if (ret != 0) { + dev_err(arizona->dev, "Failed to restore register cache\n"); + regulator_disable(arizona->dcvdd); + return ret; + } return 0; } @@ -258,10 +263,36 @@ static int arizona_runtime_suspend(struct device *dev) } #endif +#ifdef CONFIG_PM_SLEEP +static int arizona_resume_noirq(struct device *dev) +{ + struct arizona *arizona = dev_get_drvdata(dev); + + dev_dbg(arizona->dev, "Early resume, disabling IRQ\n"); + disable_irq(arizona->irq); + + return 0; +} + +static int arizona_resume(struct device *dev) +{ + struct arizona *arizona = dev_get_drvdata(dev); + + dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n"); + enable_irq(arizona->irq); + + return 0; +} +#endif + const struct dev_pm_ops arizona_pm_ops = { SET_RUNTIME_PM_OPS(arizona_runtime_suspend, arizona_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume) +#ifdef CONFIG_PM_SLEEP + .resume_noirq = arizona_resume_noirq, +#endif }; EXPORT_SYMBOL_GPL(arizona_pm_ops); @@ -270,19 +301,19 @@ static struct mfd_cell early_devs[] = { }; static struct mfd_cell wm5102_devs[] = { + { .name = "arizona-micsupp" }, { .name = "arizona-extcon" }, { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, - { .name = "arizona-micsupp" }, { .name = "arizona-pwm" }, { .name = "wm5102-codec" }, }; static struct mfd_cell wm5110_devs[] = { + { .name = "arizona-micsupp" }, { .name = "arizona-extcon" }, { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, - { .name = "arizona-micsupp" }, { .name = "arizona-pwm" }, { .name = "wm5110-codec" }, }; @@ -479,6 +510,29 @@ int arizona_dev_init(struct arizona *arizona) goto err_reset; } + for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) { + if (!arizona->pdata.micbias[i].mV) + continue; + + val = (arizona->pdata.micbias[i].mV - 1500) / 100; + val <<= ARIZONA_MICB1_LVL_SHIFT; + + if (arizona->pdata.micbias[i].ext_cap) + val |= ARIZONA_MICB1_EXT_CAP; + + if (arizona->pdata.micbias[i].discharge) + val |= ARIZONA_MICB1_DISCH; + + if (arizona->pdata.micbias[i].fast_start) + val |= ARIZONA_MICB1_RATE; + + regmap_update_bits(arizona->regmap, + ARIZONA_MIC_BIAS_CTRL_1 + i, + ARIZONA_MICB1_LVL_MASK | + ARIZONA_MICB1_DISCH | + ARIZONA_MICB1_RATE, val); + } + for (i = 0; i < ARIZONA_MAX_INPUT; i++) { /* Default for both is 0 so noop with defaults */ val = arizona->pdata.dmic_ref[i] |