ASoC: remove old trigger ordering method

All drivers switch to use generic trigger ordering method.
Let's remove old method.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87legufnyy.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-component.h

@@ -199,8 +199,6 @@ struct snd_soc_component_driver {
 	bool use_dai_pcm_id;	/* use DAI link PCM ID as PCM device number */
 	int be_pcm_base;	/* base device ID for all BE PCMs */
 
-	unsigned int start_dma_last;
-
 #ifdef CONFIG_DEBUG_FS
 	const char *debugfs_prefix;
 #endif

include/sound/soc.h

@@ -762,12 +762,6 @@ struct snd_soc_dai_link {
 	/* Do not create a PCM for this DAI link (Backend link) */
 	unsigned int ignore:1;
 
-	/* This flag will reorder stop sequence. By enabling this flag
-	 * DMA controller stop sequence will be invoked first followed by
-	 * CPU DAI driver stop sequence
-	 */
-	unsigned int stop_dma_first:1;
-
 #ifdef CONFIG_SND_SOC_TOPOLOGY
 	struct snd_soc_dobj dobj; /* For topology */
 #endif

sound/soc/soc-pcm.c

@@ -1111,16 +1111,6 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	    stop  < 0 || stop  >= SND_SOC_TRIGGER_ORDER_MAX)
 		return -EINVAL;
 
-	/* REMOVE ME */
-	for_each_rtd_components(rtd, i, component) {
-		if (component->driver->start_dma_last) {
-			start = SND_SOC_TRIGGER_ORDER_LDC;
-			break;
-		}
-	}
-	if (rtd->dai_link->stop_dma_first)
-		stop = SND_SOC_TRIGGER_ORDER_LDC;
-
 	/*
 	 * START
 	 */