[PATCH v6 03/10] drm/connector: implement generic HDMI codec helpers

Maxime Ripard mripard at kernel.org
Mon Dec 16 23:43:10 PST 2024


Hi,

On Mon, Dec 16, 2024 at 07:47:32PM +0200, Dmitry Baryshkov wrote:
> On Mon, Dec 16, 2024 at 06:04:41PM +0100, Maxime Ripard wrote:
> > > +struct drm_connector_hdmi_codec_funcs {
> > > +	/**
> > > +	 * @audio_startup:
> > > +	 *
> > > +	 * Called when ASoC starts an audio stream setup. The
> > > +	 * @hdmi_audio_startup is optional.
> > > +	 *
> > > +	 * Returns:
> > > +	 * 0 on success, a negative error code otherwise
> > > +	 */
> > > +	int (*audio_startup)(struct drm_connector *connector);
> > > +
> > > +	/**
> > > +	 * @prepare:
> > > +	 * Configures HDMI-encoder for audio stream. Can be called
> > > +	 * multiple times for each setup. Mandatory.
> > > +	 *
> > > +	 * Returns:
> > > +	 * 0 on success, a negative error code otherwise
> > > +	 */
> > > +	int (*prepare)(struct drm_connector *connector,
> > > +		       struct hdmi_codec_daifmt *fmt,
> > > +		       struct hdmi_codec_params *hparms);
> > 
> > Missing newline
> > 
> > > +	/**
> > > +	 * @audio_shutdown:
> > > +	 *
> > > +	 * Shut down the audio stream. Mandatory.
> > > +	 *
> > > +	 * Returns:
> > > +	 * 0 on success, a negative error code otherwise
> > > +	 */
> > > +	void (*audio_shutdown)(struct drm_connector *connector);
> > 
> > And thus we can probably just call that one shutdown?
> 
> It should be called automatically by the sound system. I'd rather not
> call items directly that we are not supposed to call.

I meant that with my suggestion to call the function
drm_connector_hdmi_audio_init, that structure would be called
drm_connector_hdmi_audio_funcs, and thus the audio prefix in
audio_shutdown is redundant.

Maxime
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