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Diffstat (limited to 'sound/aoa/core/snd-aoa-gpio-feature.c')
-rw-r--r--sound/aoa/core/snd-aoa-gpio-feature.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/aoa/core/snd-aoa-gpio-feature.c b/sound/aoa/core/snd-aoa-gpio-feature.c
index 7ae0c0bdfad..f69d33357a2 100644
--- a/sound/aoa/core/snd-aoa-gpio-feature.c
+++ b/sound/aoa/core/snd-aoa-gpio-feature.c
@@ -112,7 +112,10 @@ static struct device_node *get_gpio(char *name,
static void get_irq(struct device_node * np, int *irqptr)
{
- *irqptr = irq_of_parse_and_map(np, 0);
+ if (np)
+ *irqptr = irq_of_parse_and_map(np, 0);
+ else
+ *irqptr = NO_IRQ;
}
/* 0x4 is outenable, 0x1 is out, thus 4 or 5 */
@@ -322,7 +325,7 @@ static int ftr_set_notify(struct gpio_runtime *rt,
return -EINVAL;
}
- if (irq == -1)
+ if (irq == NO_IRQ)
return -ENODEV;
mutex_lock(&notif->mutex);