From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: [PATCH/RFT 3/6] i2c: designware: set SDA as output for recovery Date: Fri, 13 Jul 2018 23:09:15 +0200 Message-ID: <20180713210920.3648-4-wsa+renesas@sang-engineering.com> References: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> Return-path: In-Reply-To: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, kernel@pengutronix.de, Wolfram Sang , Jarkko Nikula , Andy Shevchenko , Mika Westerberg , linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org 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 --- drivers/i2c/busses/i2c-designware-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index a546db80f53e..25981efc844e 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -674,7 +674,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev) } rinfo->scl_gpiod = gpio; - gpio = devm_gpiod_get_optional(dev->dev, "sda", GPIOD_IN); + gpio = devm_gpiod_get_optional(dev->dev, "sda", GPIOD_OUT_HIGH_OPEN_DRAIN); if (IS_ERR(gpio)) return PTR_ERR(gpio); rinfo->sda_gpiod = gpio; -- 2.11.0