ALSA: snd-atmel-ac97c: replace bus_id with dev_name()

This patch replaces the references to bus_id to the new dev_name() API.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 4df9ca4..0c0f877 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -856,7 +856,7 @@
 		chip->dma.rx_chan = dma_request_channel(mask, filter, dws);
 
 		dev_info(&chip->pdev->dev, "using %s for DMA RX\n",
-					chip->dma.rx_chan->dev->device.bus_id);
+				dev_name(&chip->dma.rx_chan->dev->device));
 		set_bit(DMA_RX_CHAN_PRESENT, &chip->flags);
 	}
 
@@ -872,7 +872,7 @@
 		chip->dma.tx_chan = dma_request_channel(mask, filter, dws);
 
 		dev_info(&chip->pdev->dev, "using %s for DMA TX\n",
-					chip->dma.tx_chan->dev->device.bus_id);
+				dev_name(&chip->dma.tx_chan->dev->device));
 		set_bit(DMA_TX_CHAN_PRESENT, &chip->flags);
 	}