diff options
| -rw-r--r-- | drivers/mfd/arizona-irq.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c index f761cc119c01..64cd9b6dac92 100644 --- a/drivers/mfd/arizona-irq.c +++ b/drivers/mfd/arizona-irq.c @@ -189,6 +189,7 @@ int arizona_irq_init(struct arizona *arizona) int ret, i; const struct regmap_irq_chip *aod, *irq; bool ctrlif_error = true; + struct irq_data *irq_data; switch (arizona->type) { #ifdef CONFIG_MFD_WM5102 @@ -215,8 +216,30 @@ int arizona_irq_init(struct arizona *arizona) /* Disable all wake sources by default */ regmap_write(arizona->regmap, ARIZONA_WAKE_CONTROL, 0); - if (!arizona->pdata.irq_flags) - arizona->pdata.irq_flags = IRQF_TRIGGER_LOW; + /* Read the flags from the interrupt controller if not specified */ + if (!arizona->pdata.irq_flags) { + irq_data = irq_get_irq_data(arizona->irq); + if (!irq_data) { + dev_err(arizona->dev, "Invalid IRQ: %d\n", + arizona->irq); + return -EINVAL; + } + + arizona->pdata.irq_flags = irqd_get_trigger_type(irq_data); + switch (arizona->pdata.irq_flags) { + case IRQF_TRIGGER_LOW: + case IRQF_TRIGGER_HIGH: + case IRQF_TRIGGER_RISING: + case IRQF_TRIGGER_FALLING: + break; + + case IRQ_TYPE_NONE: + default: + /* Device default */ + arizona->pdata.irq_flags = IRQF_TRIGGER_LOW; + break; + } + } if (arizona->pdata.irq_flags & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_RISING)) { |