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Subject[PATCH] i2c: i2c-stm32f7: Fix SDADEL minimum formula
Date
From: Nicolas Le Bayon <nicolas.le.bayon@st.com>

It conforms with Reference Manual I2C timing section.

Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
---
drivers/i2c/busses/i2c-stm32f7.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 13e1213..4284fc9 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -432,7 +432,7 @@ static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev,
STM32F7_I2C_ANALOG_FILTER_DELAY_MAX : 0);
dnf_delay = setup->dnf * i2cclk;

- 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 -
--
1.9.1
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