[PATCH] ALSA:atmel:Use platform_get_irq_optional()

[Tang Bin]

In order to simply code,because platform_get_irq() already has
dev_err() message.

Signed-off-by: Tang Bin <tangbin at cmss.chinamobile.com>
---
 sound/atmel/ac97c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index a1dce9725..25cfd5710 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -715,7 +715,7 @@ static int atmel_ac97c_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
-	irq = platform_get_irq(pdev, 0);
+	irq = platform_get_irq_optional(pdev, 0);
 	if (irq < 0) {
 		dev_dbg(&pdev->dev, "could not get irq: %d\n", irq);
 		return irq;
-- 
2.20.1.windows.1