From: linux-i2c-ow...@vger.kernel.org <mailto:linux-i2c-ow...@vger.kernel.org>
Sent: Wednesday, August 19, 2015 3:14 PM
> To: Gao Pan-B54642
> Cc: w...@the-dreams.de; linux-i2c@vger.kernel.org; Li Frank-B20596; Duan
> Fugang-B38611; ker...@pengutronix.de
> Subject: Re: [
Implement bus recovery methods for i2c-imx so we can recover from
situations where SCL/SDA are stuck low.
Once i2c bus SCL/SDA are stuck low during transfer, config the i2c
pinctrl to gpio mode by calling pinctrl sleep set function, and then
use GPIO to emulate the i2c protocol to send nine dummy
Hello,
On Wed, Aug 19, 2015 at 03:04:01PM +0800, Gao Pan wrote:
> Implement bus recovery methods for i2c-imx so we can recover from
> situations where SCL/SDA are stuck low.
>
> Once i2c bus SCL/SDA are stuck low during transfer, config the i2c
> pinctrl to gpio mode by calling pinctrl sleep set