--- zzzz-none-000/linux-4.4.271/include/sound/soc-dapm.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/sound/soc-dapm.h	2023-04-19 10:22:30.000000000 +0000
@@ -314,6 +314,11 @@
 	.get = snd_soc_dapm_get_pin_switch, \
 	.put = snd_soc_dapm_put_pin_switch, \
 	.private_value = (unsigned long)xname }
+#define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \
+{	.id = snd_soc_dapm_micbias, .name = wname, \
+	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
+	.kcontrol_news = NULL, .num_kcontrols = 0, \
+	.event = wevent, .event_flags = wflags}
 
 /* dapm stream operations */
 #define SND_SOC_DAPM_STREAM_NOP			0x0