[U-Boot] [PATCH 05/24] dm: i2c: Add a function to find out the chip offset length

Heiko Schocher
2015-05-06T05:37:59Z

Hello Simon,

Am 04.05.2015 19:30, schrieb Simon Glass:
> We can currently set this but there is no API function to get it. Add one.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
>
> drivers/i2c/i2c-uclass.c | 7 +++++++
> include/i2c.h | 9 ++++++++-
> 2 files changed, 15 insertions(+), 1 deletion(-)

Thanks!

Acked-by: Heiko Schocher<hs@denx.de>

bye,
Heiko
>
> diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c
> index f2e95c0..2dfb435 100644
> --- a/drivers/i2c/i2c-uclass.c
> +++ b/drivers/i2c/i2c-uclass.c
> @@ -396,6 +396,13 @@ 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 6fd73fa..9a9e4f7 100644
> --- a/include/i2c.h
> +++ b/include/i2c.h
> @@ -171,8 +171,15 @@ 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
> *
>

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