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Date: Tue, 8 Aug 2023 17:47:01 +0100
From: Richard Fitzgerald <rf@...nsource.cirrus.com>
To: <broonie@...nel.org>
CC: <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
<patches@...nsource.cirrus.com>,
Simon Trimmer <simont@...nsource.cirrus.com>,
Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH 4/5] ASoC: wm_adsp: Expose the DSP power down actions as wm_adsp_power_down()
From: Simon Trimmer <simont@...nsource.cirrus.com>
To support self-booting DSPs that operate outside of a conventional DAPM
event life cycle expose a companion function to wm_adsp_power_up() so
that the correct state of the DSP firmware and controls can be recorded.
Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
sound/soc/codecs/wm_adsp.c | 8 +++++++-
sound/soc/codecs/wm_adsp.h | 1 +
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 5a89abfe8784..13f500fa9a5f 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1025,6 +1025,12 @@ int wm_adsp_power_up(struct wm_adsp *dsp)
}
EXPORT_SYMBOL_GPL(wm_adsp_power_up);
+void wm_adsp_power_down(struct wm_adsp *dsp)
+{
+ cs_dsp_power_down(&dsp->cs_dsp);
+}
+EXPORT_SYMBOL_GPL(wm_adsp_power_down);
+
static void wm_adsp_boot_work(struct work_struct *work)
{
struct wm_adsp *dsp = container_of(work,
@@ -1046,7 +1052,7 @@ int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
queue_work(system_unbound_wq, &dsp->boot_work);
break;
case SND_SOC_DAPM_PRE_PMD:
- cs_dsp_power_down(&dsp->cs_dsp);
+ wm_adsp_power_down(dsp);
break;
default:
break;
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 769904d34a87..3044f964ac14 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -92,6 +92,7 @@ int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event);
int wm_adsp_power_up(struct wm_adsp *dsp);
+void wm_adsp_power_down(struct wm_adsp *dsp);
irqreturn_t wm_adsp2_bus_error(int irq, void *data);
irqreturn_t wm_halo_bus_error(int irq, void *data);
--
2.30.2
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