diff options
| author | Simon Glass | 2015-05-04 11:30:58 -0600 |
|---|---|---|
| committer | Simon Glass | 2015-05-14 18:49:33 -0600 |
| commit | 01501804fdab0c80e31d1aa221d8afb79d436e52 (patch) | |
| tree | c0dcfb6bb523e774fa33139e91d8c48b016e15cf | |
| parent | 59aa9df383b85a7701cefbe997d242d79b452e3b (diff) | |
dm: i2c: Add a function to find out the chip offset length
We can currently set this but there is no API function to get it. Add one.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Heiko Schocher<hs@denx.de>
| -rw-r--r-- | drivers/i2c/i2c-uclass.c | 7 | ||||
| -rw-r--r-- | include/i2c.h | 9 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c index b8eb2d613f2..eaba965fa31 100644 --- a/drivers/i2c/i2c-uclass.c +++ b/drivers/i2c/i2c-uclass.c @@ -415,6 +415,13 @@ int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len) return 0; } +int i2c_get_chip_offset_len(struct udevice *dev) +{ + struct dm_i2c_chip *chip = dev_get_parent_platdata(dev); + + return chip->offset_len; +} + int i2c_deblock(struct udevice *bus) { struct dm_i2c_ops *ops = i2c_get_ops(bus); diff --git a/include/i2c.h b/include/i2c.h index 1e259861b78..ddfebc4107f 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -193,8 +193,15 @@ int i2c_get_chip_flags(struct udevice *dev, uint *flagsp); * * @offset_len: New offset length value (typically 1 or 2) */ - int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len); + +/** + * i2c_get_offset_len() - get the offset length for a chip + * + * @return: Current offset length value (typically 1 or 2) + */ +int i2c_get_chip_offset_len(struct udevice *dev); + /** * i2c_deblock() - recover a bus that is in an unknown state * |