[alsa-devel] [PATCH 15/15] ASoC: hdac_hdmi: Keep display active while enumerating codec

[Takashi Iwai]

On Tue, 01 Dec 2015 18:47:11 +0100,
Subhransu S. Prusty wrote:
> 
> From: Ramesh Babu <ramesh.babu at intel.com>
> 
> Signed-off-by: Ramesh Babu <ramesh.babu at intel.com>
> Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty at intel.com>
> Signed-off-by: Vinod Koul <vinod.koul at intel.com>
> ---
>  sound/soc/codecs/hdac_hdmi.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
> index 46aa5cc..fa3cfa5 100644
> --- a/sound/soc/codecs/hdac_hdmi.c
> +++ b/sound/soc/codecs/hdac_hdmi.c
> @@ -1136,6 +1136,14 @@ static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev)
>  	INIT_LIST_HEAD(&hdmi_priv->pin_list);
>  	INIT_LIST_HEAD(&hdmi_priv->cvt_list);
>  
> +	ret = snd_hdac_display_power(edev->hdac.bus, true);
> +	if (ret < 0) {
> +		dev_err(&edev->hdac.dev,
> +			"Cannot turn on display power on i915 err: %d\n",
> +			ret);
> +		return ret;
> +	}
> +
>  	ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais);
>  	if (ret < 0) {
>  		dev_err(&codec->dev, "Failed in parse and map nid with err: %d\n", ret);
> -- 
> 1.9.1

No counterpart to turn off?


Takashi