Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH/RFT 5/6] i2c: imx: set SDA as output for recovery | Date | Fri, 13 Jul 2018 23:09:17 +0200 |
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This allows for sending STOP when generating pulses which is much more robust because it will bring clients into a default state.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- drivers/i2c/busses/i2c-imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 3e23ee26c55c..a3881e270106 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1009,7 +1009,7 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx, PINCTRL_STATE_DEFAULT); i2c_imx->pinctrl_pins_gpio = pinctrl_lookup_state(i2c_imx->pinctrl, "gpio"); - rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN); + rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_OUT_HIGH_OPEN_DRAIN); rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN); if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER || -- 2.11.0
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