--- zzzz-none-000/linux-3.10.107/sound/pci/cs5535audio/cs5535audio_olpc.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/pci/cs5535audio/cs5535audio_olpc.c	2021-02-04 17:41:59.000000000 +0000
@@ -36,7 +36,8 @@
 	err = snd_ac97_update_bits(ac97, AC97_AD_TEST2,
 			1 << AC97_AD_HPFD_SHIFT, on << AC97_AD_HPFD_SHIFT);
 	if (err < 0) {
-		snd_printk(KERN_ERR "setting High Pass Filter - %d\n", err);
+		dev_err(ac97->bus->card->dev,
+			"setting High Pass Filter - %d\n", err);
 		return;
 	}
 
@@ -58,7 +59,7 @@
 	err = snd_ac97_update_bits(ac97, AC97_AD_MISC,
 			1 << AC97_AD_VREFD_SHIFT, on << AC97_AD_VREFD_SHIFT);
 	if (err < 0)
-		snd_printk(KERN_ERR "setting MIC Bias - %d\n", err);
+		dev_err(ac97->bus->card->dev, "setting MIC Bias - %d\n", err);
 }
 
 static int olpc_dc_info(struct snd_kcontrol *kctl,
@@ -153,7 +154,7 @@
 		return 0;
 
 	if (gpio_request(OLPC_GPIO_MIC_AC, DRV_NAME)) {
-		printk(KERN_ERR DRV_NAME ": unable to allocate MIC GPIO\n");
+		dev_err(card->dev, "unable to allocate MIC GPIO\n");
 		return -EIO;
 	}
 	gpio_direction_output(OLPC_GPIO_MIC_AC, 0);
@@ -161,13 +162,13 @@
 	/* drop the original AD1888 HPF control */
 	memset(&elem, 0, sizeof(elem));
 	elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-	strncpy(elem.name, "High Pass Filter Enable", sizeof(elem.name));
+	strlcpy(elem.name, "High Pass Filter Enable", sizeof(elem.name));
 	snd_ctl_remove_id(card, &elem);
 
 	/* drop the original V_REFOUT control */
 	memset(&elem, 0, sizeof(elem));
 	elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-	strncpy(elem.name, "V_REFOUT Enable", sizeof(elem.name));
+	strlcpy(elem.name, "V_REFOUT Enable", sizeof(elem.name));
 	snd_ctl_remove_id(card, &elem);
 
 	/* add the OLPC-specific controls */