diff --git a/src/drivers/i2c/tas5825m/tas5825m.c b/src/drivers/i2c/tas5825m/tas5825m.c
index 9f14059..ead1b16 100644
--- a/src/drivers/i2c/tas5825m/tas5825m.c
+++ b/src/drivers/i2c/tas5825m/tas5825m.c
@@ -1,23 +1,24 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <console/console.h>
-#include <device/smbus.h>
-#include <device/pci.h>
+#include <device/i2c_bus.h>
 #include "chip.h"
 #include "tas5825m.h"
 
 int tas5825m_write_at(struct device *dev, uint8_t addr, uint8_t value)
 {
-	return smbus_write_byte(dev, addr, value);
+	return i2c_dev_writeb_at(dev, addr, value);
 }
 
-//TODO: use I2C block write for better performance
 int tas5825m_write_block_at(struct device *dev, uint8_t addr,
 	const uint8_t *values, uint8_t length)
 {
+	// TODO: use I2C block write for better performance; SMBus does not
+	// have `transfer` op for it.
+
 	int res = 0;
 	for (uint8_t i = 0; i < length; i++) {
-		res = smbus_write_byte(dev, addr + i, values[i]);
+		res = i2c_dev_writeb_at(dev, addr + i, values[i]);
 		if (res < 0)
 			return res;
 	}
@@ -45,8 +46,7 @@
 
 static void tas5825m_init(struct device *dev)
 {
-	if (dev->enabled && dev->path.type == DEVICE_PATH_I2C &&
-		ops_smbus_bus(get_pbus_smbus(dev))) {
+	if (dev->enabled && dev->path.type == DEVICE_PATH_I2C && i2c_link(dev)) {
 		printk(BIOS_DEBUG, "tas5825m at %s\n", dev_path(dev));
 
 		struct drivers_i2c_tas5825m_config *config = dev->chip_info;