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[BACKPORT] stm32f7:I2C reset Configure I2C pins as GPIO output #24

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Jun 27, 2018
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[BACKPORT] stm32f7:I2C reset Configure I2C pins as GPIO output #24

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3 changes: 3 additions & 0 deletions arch/arm/src/stm32f7/stm32_i2c.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2526,6 +2526,9 @@ static int stm32_i2c_reset(FAR struct i2c_master_s * dev)
scl_gpio = MKI2C_OUTPUT(priv->config->scl_pin);
sda_gpio = MKI2C_OUTPUT(priv->config->sda_pin);

stm32_configgpio(sda_gpio);
stm32_configgpio(scl_gpio);

/* Let SDA go high */

stm32_gpiowrite(sda_gpio, 1);
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