dm: i2c: Add compatibility functions for dm_i2c_reg_read/write()
Add the legacy i2c_reg_read/write() functions to the compatibility layer
so that they can be used when CONFIG_DM_I2C_COMPAT is defined.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/i2c-uclass-compat.c b/drivers/i2c/i2c-uclass-compat.c
index 223f238..5606d1f 100644
--- a/drivers/i2c/i2c-uclass-compat.c
+++ b/drivers/i2c/i2c-uclass-compat.c
@@ -106,3 +106,24 @@
{
/* Nothing to do here - the init happens through driver model */
}
+
+uint8_t i2c_reg_read(uint8_t chip_addr, uint8_t offset)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_compat_get_device(chip_addr, 1, &dev);
+ if (ret)
+ return 0xff;
+ return dm_i2c_reg_read(dev, offset);
+}
+
+void i2c_reg_write(uint8_t chip_addr, uint8_t offset, uint8_t val)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_compat_get_device(chip_addr, 1, &dev);
+ if (!ret)
+ dm_i2c_reg_write(dev, offset, val);
+}