Hi,
> +
> + chip = kzalloc(sizeof(struct tca6416_keypad_chip), GFP_KERNEL);
> + if (chip == NULL)
> + return -ENOMEM;
Check for i2c functionality support ?
> + ret = request_irq(chip->irqnum, tca6416_keys_isr,
> + IRQF_SHARED | IRQF_TRIGGER_FALLING ,
> + "tca6416-keypad", chip);
> + if (ret) {
> + dev_dbg(&client->dev,
> + "Unable to claim irq %d; error %d\n",
> + chip->irqnum, ret);
> + goto fail3;
> + }
> + disable_irq(chip->irqnum);
The error path needs to free_irq() in case of any failure after this,
for an interrupt based driver.
Thanks,
Anirudh
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