On Wednesday 25 February 2009, Lopez Cruz, Misael wrote:
> + unsigned int gpio;
Use "int" not unsigned for such might-be-a-GPIO codes ...
> + unsigned int irq;
> + unsigned long irqflags;
> + irq_handler_t handler;
> + struct work_struct work;
> };
>
> +#define NO_JACK_PIN_GPIO UINT_MAX
And any negative number to flag "no GPIO";
"-EINVAL" for example.
> + if (pins[i].gpio != NO_JACK_PIN_GPIO) {
Make that: if (gpio_is_valid(pins[i].gpio)) ...
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