Hello Simon,

Am 16.05.2015 23:01, schrieb Simon Glass:

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

drivers/i2c/i2c-uclass-compat.c | 21 +++++++++++++++++++++ include/i2c.h | 6 ++++++ 2 files changed, 27 insertions(+)

Acked-by: Heiko Schocher hs@denx.de

Thanks!

bye, Heiko

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 @@ void board_i2c_init(const void *blob) { /* 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);
  

+} diff --git a/include/i2c.h b/include/i2c.h index ddfebc4..9300d97 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -284,6 +284,12 @@ void i2c_init(int speed, int slaveaddr); */ void board_i2c_init(const void *blob);

+/*

• • Compatibility functions for driver model.
• */

+uint8_t i2c_reg_read(uint8_t addr, uint8_t reg); +void i2c_reg_write(uint8_t addr, uint8_t reg, uint8_t val);

• #endif

  /*