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path: root/drivers/i2c/i2c-uclass.c
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Diffstat (limited to 'drivers/i2c/i2c-uclass.c')
-rw-r--r--drivers/i2c/i2c-uclass.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c
index 25f2c18..24e5ec6 100644
--- a/drivers/i2c/i2c-uclass.c
+++ b/drivers/i2c/i2c-uclass.c
@@ -220,7 +220,7 @@ static int i2c_probe_chip(struct udevice *bus, uint chip_addr,
return ops->xfer(bus, msg, 1);
}
-static int i2c_bind_driver(struct udevice *bus, uint chip_addr,
+static int i2c_bind_driver(struct udevice *bus, uint chip_addr, uint offset_len,
struct udevice **devp)
{
struct dm_i2c_chip chip;
@@ -238,7 +238,7 @@ static int i2c_bind_driver(struct udevice *bus, uint chip_addr,
/* Tell the device what we know about it */
memset(&chip, '\0', sizeof(chip));
chip.chip_addr = chip_addr;
- chip.offset_len = 1; /* we assume */
+ chip.offset_len = offset_len;
ret = device_probe_child(dev, &chip);
debug("%s: device_probe_child: ret=%d\n", __func__, ret);
if (ret)
@@ -254,7 +254,8 @@ err_bind:
return ret;
}
-int i2c_get_chip(struct udevice *bus, uint chip_addr, struct udevice **devp)
+int i2c_get_chip(struct udevice *bus, uint chip_addr, uint offset_len,
+ struct udevice **devp)
{
struct udevice *dev;
@@ -281,10 +282,11 @@ int i2c_get_chip(struct udevice *bus, uint chip_addr, struct udevice **devp)
}
}
debug("not found\n");
- return i2c_bind_driver(bus, chip_addr, devp);
+ return i2c_bind_driver(bus, chip_addr, offset_len, devp);
}
-int i2c_get_chip_for_busnum(int busnum, int chip_addr, struct udevice **devp)
+int i2c_get_chip_for_busnum(int busnum, int chip_addr, uint offset_len,
+ struct udevice **devp)
{
struct udevice *bus;
int ret;
@@ -294,7 +296,7 @@ int i2c_get_chip_for_busnum(int busnum, int chip_addr, struct udevice **devp)
debug("Cannot find I2C bus %d\n", busnum);
return ret;
}
- ret = i2c_get_chip(bus, chip_addr, devp);
+ ret = i2c_get_chip(bus, chip_addr, offset_len, devp);
if (ret) {
debug("Cannot find I2C chip %02x on bus %d\n", chip_addr,
busnum);
@@ -319,7 +321,7 @@ int dm_i2c_probe(struct udevice *bus, uint chip_addr, uint chip_flags,
return ret;
/* The chip was found, see if we have a driver, and probe it */
- ret = i2c_get_chip(bus, chip_addr, devp);
+ ret = i2c_get_chip(bus, chip_addr, 1, devp);
debug("%s: i2c_get_chip: ret=%d\n", __func__, ret);
return ret;