ASoC: soc-dai.h: add snd_soc_dai_get/set_widget_playback/capture() helper

snd_soc_dai_get_widget() requests SNDRV_PCM_STREAM_PLAYBACK/CAPTURE.
This patch adds helper for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/877cx3foqz.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-dai.h

@@ -477,6 +477,8 @@ snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
 		&dai->driver->playback : &dai->driver->capture;
 }
 
+#define snd_soc_dai_get_widget_playback(dai)	snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK)
+#define snd_soc_dai_get_widget_capture(dai)	snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE)
 static inline
 struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int stream)
 {
@@ -484,6 +486,8 @@ struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int
 		dai->playback_widget : dai->capture_widget;
 }
 
+#define snd_soc_dai_set_widget_playback(dai, widget)	snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_PLAYBACK, widget)
+#define snd_soc_dai_set_widget_capture(dai,  widget)	snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_CAPTURE,  widget)
 static inline
 void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget *widget)
 {