i2c: stm32f7: fix configuration of the digital filter
The digital filter related computation are present in the driver however the programming of the filter within the IP is missing. The maximum value for the DNF is wrong and should be 15 instead of 16. Fixes: aeb068c5 ("i2c: i2c-stm32f7: add driver") Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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