diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c
index 1b46a8155803..81153253529e 100644
--- a/drivers/iio/adc/ti-adc128s052.c
+++ b/drivers/iio/adc/ti-adc128s052.c
@@ -124,26 +124,30 @@ static const struct iio_chan_spec adc124s021_channels[] = {
 
 static const char * const bd79104_regulators[] = { "iovdd" };
 
-static const struct adc128_configuration adc128_config[] = {
-	{
-		.channels = adc128s052_channels,
-		.num_channels = ARRAY_SIZE(adc128s052_channels),
-		.refname = "vref",
-	}, {
-		.channels = adc122s021_channels,
-		.num_channels = ARRAY_SIZE(adc122s021_channels),
-		.refname = "vref",
-	}, {
-		.channels = adc124s021_channels,
-		.num_channels = ARRAY_SIZE(adc124s021_channels),
-		.refname = "vref",
-	}, {
-		.channels = adc128s052_channels,
-		.num_channels = ARRAY_SIZE(adc128s052_channels),
-		.refname = "vdd",
-		.other_regulators = &bd79104_regulators,
-		.num_other_regulators = 1,
-	},
+static const struct adc128_configuration adc122s_config = {
+	.channels = adc122s021_channels,
+	.num_channels = ARRAY_SIZE(adc122s021_channels),
+	.refname = "vref",
+};
+
+static const struct adc128_configuration adc124s_config = {
+	.channels = adc124s021_channels,
+	.num_channels = ARRAY_SIZE(adc124s021_channels),
+	.refname = "vref",
+};
+
+static const struct adc128_configuration adc128s_config = {
+	.channels = adc128s052_channels,
+	.num_channels = ARRAY_SIZE(adc128s052_channels),
+	.refname = "vref",
+};
+
+static const struct adc128_configuration bd79104_config = {
+	.channels = adc128s052_channels,
+	.num_channels = ARRAY_SIZE(adc128s052_channels),
+	.refname = "vdd",
+	.other_regulators = &bd79104_regulators,
+	.num_other_regulators = 1,
 };
 
 static const struct iio_info adc128_info = {
@@ -199,33 +203,33 @@ static int adc128_probe(struct spi_device *spi)
 }
 
 static const struct of_device_id adc128_of_match[] = {
-	{ .compatible = "ti,adc128s052", .data = &adc128_config[0] },
-	{ .compatible = "ti,adc122s021", .data = &adc128_config[1] },
-	{ .compatible = "ti,adc122s051", .data = &adc128_config[1] },
-	{ .compatible = "ti,adc122s101", .data = &adc128_config[1] },
-	{ .compatible = "ti,adc124s021", .data = &adc128_config[2] },
-	{ .compatible = "ti,adc124s051", .data = &adc128_config[2] },
-	{ .compatible = "ti,adc124s101", .data = &adc128_config[2] },
-	{ .compatible = "rohm,bd79104", .data = &adc128_config[3] },
+	{ .compatible = "ti,adc128s052", .data = &adc128s_config },
+	{ .compatible = "ti,adc122s021", .data = &adc122s_config },
+	{ .compatible = "ti,adc122s051", .data = &adc122s_config },
+	{ .compatible = "ti,adc122s101", .data = &adc122s_config },
+	{ .compatible = "ti,adc124s021", .data = &adc124s_config },
+	{ .compatible = "ti,adc124s051", .data = &adc124s_config },
+	{ .compatible = "ti,adc124s101", .data = &adc124s_config },
+	{ .compatible = "rohm,bd79104", .data = &bd79104_config },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, adc128_of_match);
 
 static const struct spi_device_id adc128_id[] = {
-	{ "adc128s052", (kernel_ulong_t)&adc128_config[0] },
-	{ "adc122s021",	(kernel_ulong_t)&adc128_config[1] },
-	{ "adc122s051",	(kernel_ulong_t)&adc128_config[1] },
-	{ "adc122s101",	(kernel_ulong_t)&adc128_config[1] },
-	{ "adc124s021", (kernel_ulong_t)&adc128_config[2] },
-	{ "adc124s051", (kernel_ulong_t)&adc128_config[2] },
-	{ "adc124s101", (kernel_ulong_t)&adc128_config[2] },
-	{ "bd79104", (kernel_ulong_t)&adc128_config[3] },
+	{ "adc128s052", (kernel_ulong_t)&adc128s_config },
+	{ "adc122s021",	(kernel_ulong_t)&adc122s_config },
+	{ "adc122s051",	(kernel_ulong_t)&adc122s_config },
+	{ "adc122s101",	(kernel_ulong_t)&adc122s_config },
+	{ "adc124s021", (kernel_ulong_t)&adc124s_config },
+	{ "adc124s051", (kernel_ulong_t)&adc124s_config },
+	{ "adc124s101", (kernel_ulong_t)&adc124s_config },
+	{ "bd79104", (kernel_ulong_t)&bd79104_config },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, adc128_id);
 
 static const struct acpi_device_id adc128_acpi_match[] = {
-	{ "AANT1280", (kernel_ulong_t)&adc128_config[2] },
+	{ "AANT1280", (kernel_ulong_t)&adc124s_config },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, adc128_acpi_match);