On Fri, 2016-09-02 at 13:16 -0300, Fabio Estevam wrote: > On Fri, Sep 2, 2016 at 12:23 PM, Christoph Fritz > <chf.fritz@xxxxxxxxxxxxxx> wrote: > > > What do you mean by "software command", to send a reset command by i2c? > > Yes, by writing 0xDE into RegReset register. > > > > > The reset GPIO is fetched in sx9500 here: > > > > See sx9500_gpio_probe(): > > ... > > data->gpiod_rst = devm_gpiod_get_index(dev, SX9500_GPIO_RESET, > > 0, GPIOD_OUT_HIGH); > > but there is no code that actually reads the "reset-gpios" dt property. But there is: devm_gpiod_get_index() calls gpiod_get_index() which calls of_find_gpio() for of-string "reset-gpios". > > Does your board work well without passing "reset-gpios" property? I don't know, the driver looks that way. I'll check that. If so, I'll fix the docu and add the reset-gpios property as optional. Okay? Thanks -- Christoph -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
