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charset="utf-8" Some parts do not stop the DSP core before runtime suspend, however, this leaves the DSP controls enabled and accessible whilst the part is suspended and the regmap is cache_only. Add new APIs to allow for the DSP to hibernate when the part is suspended, and the DSP is not shut down. Signed-off-by: Stefan Binding Reviewed-by: Richard Fitzgerald --- sound/soc/codecs/wm_adsp.c | 6 ++++++ sound/soc/codecs/wm_adsp.h | 1 + 2 files changed, 7 insertions(+) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 2e23848e1dce..d95b54275b5e 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1100,6 +1100,12 @@ void wm_adsp_stop(struct wm_adsp *dsp) } EXPORT_SYMBOL_GPL(wm_adsp_stop); =20 +void wm_adsp_hibernate(struct wm_adsp *dsp, bool hibernate) +{ + cs_dsp_hibernate(&dsp->cs_dsp, hibernate); +} +EXPORT_SYMBOL_GPL(wm_adsp_hibernate); + int wm_adsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 8035fda71f8d..a9118be793d7 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -103,6 +103,7 @@ irqreturn_t wm_halo_wdt_expire(int irq, void *data); =20 int wm_adsp_run(struct wm_adsp *dsp); void wm_adsp_stop(struct wm_adsp *dsp); +void wm_adsp_hibernate(struct wm_adsp *dsp, bool hibernate); int wm_adsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); =20 --=20 2.43.0