Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH/RFT 4/6] i2c: davinci: set SDA as output for recovery | Date | Fri, 13 Jul 2018 23:09:16 +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-davinci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index d945a2654c2f..478acf0870aa 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -874,7 +874,8 @@ static int davinci_i2c_probe(struct platform_device *pdev) r = PTR_ERR(rinfo->scl_gpiod); goto err_unuse_clocks; } - 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); if (IS_ERR(rinfo->sda_gpiod)) { r = PTR_ERR(rinfo->sda_gpiod); goto err_unuse_clocks; -- 2.11.0
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