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Input: ucb1400_ts - allow passing IRQ through platfrom_data

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This patch allows UCB1400 to get IRQ GPIO from platform data. In case
platform_data are not supplied or the IRQ supplied in the platform_data
is negative, fall back to the old IRQ detection algorithm.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Marek Vasut
2009-11-08 19:45:54 -08:00
committed by Dmitry Torokhov
parent 765af10de6
commit fb14159755
3 changed files with 18 additions and 4 deletions
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11
drivers/input/touchscreen/ucb1400_ts.c
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@@ -355,10 +355,13 @@ static int ucb1400_ts_probe(struct platform_device *dev)
goto err;
}
error = ucb1400_ts_detect_irq(ucb);
if (error) {
printk(KERN_ERR "UCB1400: IRQ probe failed\n");
goto err_free_devs;
/* Only in case the IRQ line wasn't supplied, try detecting it */
if (ucb->irq < 0) {
error = ucb1400_ts_detect_irq(ucb);
if (error) {
printk(KERN_ERR "UCB1400: IRQ probe failed\n");
goto err_free_devs;
}
}
init_waitqueue_head(&ucb->ts_wait);