Re: [PATCH] ASoC: max98090: add shutdown callback for max98090

[Mark Brown]

On Wed, Apr 08, 2015 at 04:52:08PM +0800, Caesar Wang wrote:

> +static void max98090_i2c_shutdown(struct i2c_client *i2c)
> +{
> +	struct max98090_priv *max98090 = dev_get_drvdata(&i2c->dev);
> +
> +	dev_info(&i2c->dev, "shut down device\n");

Remove this, it's adding noise.

> +
> +	/* Enable volume smoothing, disable zero cross.  This will cause
> +	 * a quick 40ms ramp to mute on shutdown.
> +	 */
> +	regmap_write(max98090->regmap,
> +		M98090_REG_LEVEL_CONTROL, M98090_VSENN_MASK);
> +	regmap_write(max98090->regmap,
> +		M98090_REG_DEVICE_SHUTDOWN, 0x00);
> +	msleep(40);
> +}

This is OK but equivalent code should be being added to the driver
remove path as the same thing should be happening there.

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