--- zzzz-none-000/linux-3.10.107/sound/soc/blackfin/bf5xx-ac97.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/blackfin/bf5xx-ac97.c	2021-02-04 17:41:59.000000000 +0000
@@ -198,13 +198,12 @@
 #endif
 }
 
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops bf5xx_ac97_ops = {
 	.read	= bf5xx_ac97_read,
 	.write	= bf5xx_ac97_write,
 	.warm_reset	= bf5xx_ac97_warm_reset,
 	.reset	= bf5xx_ac97_cold_reset,
 };
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
 
 #ifdef CONFIG_PM
 static int bf5xx_ac97_suspend(struct snd_soc_dai *dai)
@@ -231,9 +230,9 @@
 		return 0;
 
 #if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport, 16, 0x3FF, 1);
+	ret = sport_set_multichannel(sport, 16, 0x3FF, 0x3FF, 1);
 #else
-	ret = sport_set_multichannel(sport, 16, 0x1F, 1);
+	ret = sport_set_multichannel(sport, 16, 0x1F, 0x1F, 1);
 #endif
 	if (ret) {
 		pr_err("SPORT is busy!\n");
@@ -261,7 +260,7 @@
 #endif
 
 static struct snd_soc_dai_driver bfin_ac97_dai = {
-	.ac97_control = 1,
+	.bus_control = true,
 	.suspend = bf5xx_ac97_suspend,
 	.resume = bf5xx_ac97_resume,
 	.playback = {
@@ -293,13 +292,15 @@
 
 #ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
 	/* Request PB3 as reset pin */
-	if (gpio_request(CONFIG_SND_BF5XX_RESET_GPIO_NUM, "SND_AD198x RESET")) {
-		pr_err("Failed to request GPIO_%d for reset\n",
-				CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-		ret =  -1;
-		goto gpio_err;
+	ret = devm_gpio_request_one(&pdev->dev,
+				    CONFIG_SND_BF5XX_RESET_GPIO_NUM,
+				    GPIOF_OUT_INIT_HIGH, "SND_AD198x RESET");
+	if (ret) {
+		dev_err(&pdev->dev,
+			"Failed to request GPIO_%d for reset: %d\n",
+			CONFIG_SND_BF5XX_RESET_GPIO_NUM, ret);
+		return ret;
 	}
-	gpio_direction_output(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
 #endif
 
 	sport_handle = sport_init(pdev, 2, sizeof(struct ac97_frame),
@@ -311,9 +312,9 @@
 
 	/*SPORT works in TDM mode to simulate AC97 transfers*/
 #if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 1);
+	ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 0x3FF, 1);
 #else
-	ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
+	ret = sport_set_multichannel(sport_handle, 16, 0x1F, 0x1F, 1);
 #endif
 	if (ret) {
 		pr_err("SPORT is busy!\n");
@@ -335,6 +336,12 @@
 		goto sport_config_err;
 	}
 
+	ret = snd_soc_set_ac97_ops(&bf5xx_ac97_ops);
+	if (ret != 0) {
+		dev_err(&pdev->dev, "Failed to set AC'97 ops: %d\n", ret);
+		goto sport_config_err;
+	}
+
 	ret = snd_soc_register_component(&pdev->dev, &bfin_ac97_component,
 					 &bfin_ac97_dai, 1);
 	if (ret) {
@@ -349,10 +356,7 @@
 sport_config_err:
 	sport_done(sport_handle);
 sport_err:
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
-	gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-gpio_err:
-#endif
+	snd_soc_set_ac97_ops(NULL);
 
 	return ret;
 }
@@ -363,9 +367,7 @@
 
 	snd_soc_unregister_component(&pdev->dev);
 	sport_done(sport_handle);
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
-	gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-#endif
+	snd_soc_set_ac97_ops(NULL);
 
 	return 0;
 }
@@ -373,7 +375,6 @@
 static struct platform_driver asoc_bfin_ac97_driver = {
 	.driver = {
 			.name = "bfin-ac97",
-			.owner = THIS_MODULE,
 	},
 
 	.probe = asoc_bfin_ac97_probe,