Re: [alsa-devel] [PATCH v2 15/19] ASoC: tlv320aic31xx: Reset registers during power up

On Wed, Nov 29, 2017 at 03:32:56PM -0600, Andrew F. Davis wrote:

• gpiod_set_value(aic31xx->gpio_reset, 1);
  

• ndelay(10); /* At least 10ns */
  

• gpiod_set_value(aic31xx->gpio_reset, 0);
  

_cansleep(), this isn't being done from interrupt context.

• } else {

• ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
  

• if (ret < 0)
  

• 	dev_err(aic31xx->dev, "Could not reset device\n");
  

Print the error to help people doing debug.