ASoC: soc-dapm: remove suspend_bias_off from snd_soc_dapm_context

We can directly use suspend_bias_off via snd_soc_component, no need
to keep it on dapm. Remove it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/875xdyx06e.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: morimoto

include/sound/soc-dapm.h

@@ -585,7 +585,6 @@ struct snd_soc_dapm_context {
 
 	/* bit field */
 	unsigned int idle_bias_off:1;		/* Use BIAS_OFF instead of STANDBY */
-	unsigned int suspend_bias_off:1;	/* Use BIAS_OFF in suspend if the DAPM is idle */
 
 	struct device *dev;			/* from parent - for debug */ /* REMOVE ME */
 	struct snd_soc_component *component;	/* parent component */

sound/soc/soc-dapm.c

@@ -2182,13 +2182,16 @@ static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
 
 static bool dapm_idle_bias_off(struct snd_soc_dapm_context *dapm)
 {
+	struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
 	if (dapm->idle_bias_off)
 		return true;
 
 	switch (snd_power_get_state(dapm->card->snd_card)) {
 	case SNDRV_CTL_POWER_D3hot:
 	case SNDRV_CTL_POWER_D3cold:
-		return dapm->suspend_bias_off;
+		if (component)
+			return component->driver->suspend_bias_off;
+		fallthrough;
 	default:
 		break;
 	}
@@ -4823,7 +4826,6 @@ void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm,
 	if (component) {
 		dapm->dev		= component->dev;
 		dapm->idle_bias_off	= !component->driver->idle_bias_on;
-		dapm->suspend_bias_off	= component->driver->suspend_bias_off;
 	} else {
 		dapm->dev		= card->dev;
 	}