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Input: gpio_keys - fall back to platform_get_irq() for interrupt-only keys

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To allow transitioning away from gpio-keys platform data attempt to
retrieve IRQ for interrupt-only keys using platform_get_irq_optional()
if interrupt is not specified in platform data.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2025-08-15 12:43:47 -07:00
parent 7ff5745994
commit ed8a4ef29d
1 changed files with 12 additions and 5 deletions
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17
drivers/input/keyboard/gpio_keys.c
View file

@ -616,12 +616,19 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
break;
}
} else {
if (!button->irq) {
dev_err(dev, "Found button without gpio or irq\n");
return -EINVAL;
}
if (button->irq) {
bdata->irq = button->irq;
} else {
irq = platform_get_irq_optional(pdev, idx);
if (irq < 0) {
error = irq;
return dev_err_probe(dev, error,
"Unable to determine IRQ# for button #%d",
idx);
}
bdata->irq = button->irq;
bdata->irq = irq;
}
if (button->type && button->type != EV_KEY) {
dev_err(dev, "Only EV_KEY allowed for IRQ buttons.\n");