[PATCH 2/2] ASoC: wm_adsp: Firmware controls should be added as codec controls

From: Richard Fitzgerald
Date: Tue Nov 22 2016 - 11:59:31 EST


We were adding firmware controls as card controls (using
snd_soc_add_codec_controls). The DSP is part of a specific codec so
we should be adding them as codec controls. Adding as codec controls
also means that if the codec has a name_prefix it will be added to
the control name, which won't happen when adding as a card control.

As that was the only use of the card pointer in struct wm_adsp it can
be removed.

For ADSP2 codecs a wm_adsp2_codec_probe() was added since the original
control handling was written, and that's the logical place to store a
pointer to the codec rather than delaying it until the codec is
powered-up.

For ADSP1 we don't use a codec_probe() stage so the codec pointer
initialization replaces the original card pointer initialization in
wm_adsp1_event().

Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/wm_adsp.c | 8 ++++----
sound/soc/codecs/wm_adsp.h | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 7698273..6e6b9d8 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1131,7 +1131,7 @@ static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
break;
}

- ret = snd_soc_add_card_controls(dsp->card, kcontrol, 1);
+ ret = snd_soc_add_codec_controls(dsp->codec, kcontrol, 1);
if (ret < 0)
goto err_kcontrol;

@@ -2298,7 +2298,7 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
int ret;
unsigned int val;

- dsp->card = codec->component.card;
+ dsp->codec = codec;

mutex_lock(&dsp->pwr_lock);

@@ -2509,8 +2509,6 @@ int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
struct wm_adsp *dsp = &dsps[w->shift];
struct wm_coeff_ctl *ctl;

- dsp->card = codec->component.card;
-
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wm_adsp2_set_dspclk(dsp, freq);
@@ -2628,6 +2626,8 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,

int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
+ dsp->codec = codec;
+
wm_adsp2_init_debugfs(dsp, codec);

return snd_soc_add_codec_controls(codec,
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 362dd7c..3f7c8ee 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -44,7 +44,7 @@ struct wm_adsp {
int type;
struct device *dev;
struct regmap *regmap;
- struct snd_soc_card *card;
+ struct snd_soc_codec *codec;

int base;
int sysclk_reg;
--
1.9.1