> > > > > This sets the bus to run at 400kHz, prior to this, > > > > > the bus frequency was undefined. > > > > > > > > Not exactly. The default values let it run at 100kHz. > > > > > > Have you tried dumping the default values and comparing it with the > > > values for 100kHz in the manual? > > > > Yes, sure. Doesn't it work for you? I just rechecked and the values are > > okay. That being said, if you make it configurable for 400kHz, it would > > in deed be better to rewrite the values for 100kHz, too. > > They were different for me ... did you configure the i2c bus in your bootloader > possibly? Those values might have been written there since then ... I didn't run > i2c in u-boot before booting linux. Nope, no I2C involved in the bootloader at all. Do you get the correct values after soft-resetting the device? It doesn't really matter, though. Just reinit them to the proper values depending on the user setting. -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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