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i2c: stm32f7: Fix SDADEL minimum formula

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It conforms with Reference Manual I2C timing section.

Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Nicolas Le Bayon 2019-04-18 17:32:42 +02:00 committed by Patrice Chotard
parent 3351768ef9
commit e87da7521f
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/stm32f7_i2c.c
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@ -500,7 +500,7 @@ static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup,
af_delay_max = setup->analog_filter ?
STM32_I2C_ANALOG_FILTER_DELAY_MAX : 0;
sdadel_min = setup->fall_time - i2c_specs[setup->speed].hddat_min -
sdadel_min = i2c_specs[setup->speed].hddat_min + setup->fall_time -
af_delay_min - (setup->dnf + 3) * i2cclk;
sdadel_max = i2c_specs[setup->speed].vddat_max - setup->rise_time -