--- zzzz-none-000/linux-3.10.107/sound/pci/emu10k1/io.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/pci/emu10k1/io.c	2021-02-04 17:41:59.000000000 +0000
@@ -71,11 +71,8 @@
 	unsigned long flags;
 	unsigned int mask;
 
-	if (!emu) {
-		snd_printk(KERN_ERR "ptr_write: emu is null!\n");
-		dump_stack();
+	if (snd_BUG_ON(!emu))
 		return;
-	}
 	mask = emu->audigy ? A_PTR_ADDRESS_MASK : PTR_ADDRESS_MASK;
 	regptr = ((reg << 16) & mask) | (chn & PTR_CHANNELNUM_MASK);
 
@@ -199,7 +196,7 @@
 	int err = 0;
 
 	if ((reg > 0x7f) || (value > 0x1ff)) {
-		snd_printk(KERN_ERR "i2c_write: invalid values.\n");
+		dev_err(emu->card->dev, "i2c_write: invalid values.\n");
 		return -EINVAL;
 	}
 
@@ -227,7 +224,7 @@
 				break;
 
 			if (timeout > 1000) {
-                		snd_printk(KERN_WARNING
+				dev_warn(emu->card->dev,
 					   "emu10k1:I2C:timeout status=0x%x\n",
 					   status);
 				break;
@@ -239,8 +236,8 @@
 	}
 
 	if (retry == 10) {
-		snd_printk(KERN_ERR "Writing to ADC failed!\n");
-		snd_printk(KERN_ERR "status=0x%x, reg=%d, value=%d\n",
+		dev_err(emu->card->dev, "Writing to ADC failed!\n");
+		dev_err(emu->card->dev, "status=0x%x, reg=%d, value=%d\n",
 			status, reg, value);
 		/* dump_stack(); */
 		err = -EINVAL;