i2c: stm32f7: Fix SDADEL minimum formula

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>

diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c
index 3872364..e7e0268 100644 (file)
--- a/drivers/i2c/stm32f7_i2c.c
+++ b/drivers/i2c/stm32f7_i2c.c
@@ -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 -