Unverified Commit 5519ac3a authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Mark Brown
Browse files

ASoC: wm_adsp: Add wm_adsp_start() and wm_adsp_stop() 



Separate the functionality of wm_adsp_event() into two exported
functions wm_adsp_start() and wm_adsp_stop().

This allows the codec driver to start and stop the DSP outside of a
DAPM widget.

Signed-off-by: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240223153910.2063698-2-rf@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b401b621

sound/soc/codecs/wm_adsp.c

+18 −9
Original line number Diff line number Diff line
@@ -1092,27 +1092,36 @@ static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 
	dsp->fatal_error = false;

}



int wm_adsp_run(struct wm_adsp *dsp)

{

	flush_work(&dsp->boot_work);



	return cs_dsp_run(&dsp->cs_dsp);

}

EXPORT_SYMBOL_GPL(wm_adsp_run);



void wm_adsp_stop(struct wm_adsp *dsp)

{

	cs_dsp_stop(&dsp->cs_dsp);

}

EXPORT_SYMBOL_GPL(wm_adsp_stop);



int wm_adsp_event(struct snd_soc_dapm_widget *w,

		  struct snd_kcontrol *kcontrol, int event)

{

	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);

	struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);

	struct wm_adsp *dsp = &dsps[w->shift];

	int ret = 0;



	switch (event) {

	case SND_SOC_DAPM_POST_PMU:

		flush_work(&dsp->boot_work);

		ret = cs_dsp_run(&dsp->cs_dsp);

		break;

		return wm_adsp_run(dsp);

	case SND_SOC_DAPM_PRE_PMD:

		cs_dsp_stop(&dsp->cs_dsp);

		break;

		wm_adsp_stop(dsp);

		return 0;

	default:

		break;

		return 0;

	}



	return ret;

}

EXPORT_SYMBOL_GPL(wm_adsp_event);

sound/soc/codecs/wm_adsp.h

+2 −0
Original line number Diff line number Diff line
@@ -98,6 +98,8 @@ irqreturn_t wm_adsp2_bus_error(int irq, void *data); 
irqreturn_t wm_halo_bus_error(int irq, void *data);

irqreturn_t wm_halo_wdt_expire(int irq, void *data);



int wm_adsp_run(struct wm_adsp *dsp);

void wm_adsp_stop(struct wm_adsp *dsp);

int wm_adsp_event(struct snd_soc_dapm_widget *w,

		  struct snd_kcontrol *kcontrol, int event);