ASoC: Explicitly say registerless widgets have no register

This stops code that handles widgets generically from attempting to access
registers for these widgets.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@kernel.org

include/sound/soc-dapm.h

@@ -45,25 +45,25 @@
 /* platform domain */
 #define SND_SOC_DAPM_INPUT(wname) \
 {	.id = snd_soc_dapm_input, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0}
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
 #define SND_SOC_DAPM_OUTPUT(wname) \
 {	.id = snd_soc_dapm_output, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0}
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
 #define SND_SOC_DAPM_MIC(wname, wevent) \
 {	.id = snd_soc_dapm_mic, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
 #define SND_SOC_DAPM_HP(wname, wevent) \
 {	.id = snd_soc_dapm_hp, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
 #define SND_SOC_DAPM_SPK(wname, wevent) \
 {	.id = snd_soc_dapm_spk, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
 #define SND_SOC_DAPM_LINE(wname, wevent) \
 {	.id = snd_soc_dapm_line, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
 
 /* path domain */
@@ -189,11 +189,11 @@
 /* events that are pre and post DAPM */
 #define SND_SOC_DAPM_PRE(wname, wevent) \
 {	.id = snd_soc_dapm_pre, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD}
 #define SND_SOC_DAPM_POST(wname, wevent) \
 {	.id = snd_soc_dapm_post, .name = wname, .kcontrols = NULL, \
-	.num_kcontrols = 0, .event = wevent, \
+	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD}
 
 /* stream domain */