5 Dec
2022
5 Dec
'22
1:07 p.m.
On Mon, Dec 05, 2022 at 09:34:17AM +0000, Jiaxin Yu (俞家鑫) wrote:
- I have added a DAPM widget that is "SDB", when we open or close HDMI
PIN_SWITCH, the callback 'hdmi_tx_event' registered in the widget will be triggered. Maybe you mean I shouldn't use SNDRV_PCM_TRIGGER_START and SNDRV_PCM_TRIGGER_STOP?
No, I mean that if you want to control the enable and disable of the output path you should implement a DAPM widget.
- If I don't use hcd.ops->trigger notifies the bridge ic driver to
switch the audio, which ops should I use? I actually want to know hdmi-codec.c and it6505.c except hdmi_codec_ops, is there any other way to communicate?
Like I said you should use the event on the DAPM widget. This will require providing operations for the events to the drivers.