alsa/0002-conf-namehint-add-omit_noargs-to-the-hint-section.patch

From 09e78da4cade7b8fecb8f36717b85c456f2e5487 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sun, 1 Mar 2020 19:57:06 +0100
Subject: [PATCH 2/5] conf: namehint - add omit_noargs to the hint section

Do not list simple surround devices in the namehint function by default.

Fixes: https://github.com/alsa-project/alsa-lib/issues/27

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 src/conf/pcm/surround21.conf | 1 +
 src/conf/pcm/surround40.conf | 1 +
 src/conf/pcm/surround41.conf | 1 +
 src/conf/pcm/surround50.conf | 1 +
 src/conf/pcm/surround51.conf | 1 +
 src/conf/pcm/surround71.conf | 1 +
 src/control/namehint.c       | 6 +++++-
 7 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/conf/pcm/surround21.conf b/src/conf/pcm/surround21.conf
index 1cf1b7af8dc6..ad19507bba58 100644
--- a/src/conf/pcm/surround21.conf
+++ b/src/conf/pcm/surround21.conf
@@ -57,5 +57,6 @@ pcm.!surround21 {
 	hint {
 		description "2.1 Surround output to Front and Subwoofer speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/conf/pcm/surround40.conf b/src/conf/pcm/surround40.conf
index 9788ad4884fd..7c615022f500 100644
--- a/src/conf/pcm/surround40.conf
+++ b/src/conf/pcm/surround40.conf
@@ -55,5 +55,6 @@ pcm.!surround40 {
 	hint {
 		description "4.0 Surround output to Front and Rear speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/conf/pcm/surround41.conf b/src/conf/pcm/surround41.conf
index 7b4ef3beb43a..cb6c0445ae07 100644
--- a/src/conf/pcm/surround41.conf
+++ b/src/conf/pcm/surround41.conf
@@ -61,5 +61,6 @@ pcm.!surround41 {
 	hint {
 		description "4.1 Surround output to Front, Rear and Subwoofer speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/conf/pcm/surround50.conf b/src/conf/pcm/surround50.conf
index 7d9a9e798fd8..70d54069f8a3 100644
--- a/src/conf/pcm/surround50.conf
+++ b/src/conf/pcm/surround50.conf
@@ -61,5 +61,6 @@ pcm.!surround50 {
 	hint {
 		description "5.0 Surround output to Front, Center and Rear speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/conf/pcm/surround51.conf b/src/conf/pcm/surround51.conf
index e67f007ef305..d0236e42d332 100644
--- a/src/conf/pcm/surround51.conf
+++ b/src/conf/pcm/surround51.conf
@@ -57,5 +57,6 @@ pcm.!surround51 {
 	hint {
 		description "5.1 Surround output to Front, Center, Rear and Subwoofer speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/conf/pcm/surround71.conf b/src/conf/pcm/surround71.conf
index a26c3f36c437..66792ddebbc0 100644
--- a/src/conf/pcm/surround71.conf
+++ b/src/conf/pcm/surround71.conf
@@ -59,5 +59,6 @@ pcm.!surround71 {
 	hint {
 		description "7.1 Surround output to Front, Center, Side, Rear and Woofer speakers"
 		device_output $DEV
+		omit_noargs true
 	}
 }
diff --git a/src/control/namehint.c b/src/control/namehint.c
index 60c48ae32877..169bd4215fc5 100644
--- a/src/control/namehint.c
+++ b/src/control/namehint.c
@@ -287,10 +287,14 @@ static int try_config(snd_config_t *config,
 			err = -EINVAL;
 			goto __cleanup;
 		}
+		if (list->card < 0 &&
+		    snd_config_search(cfg, "omit_noargs", &n) >= 0 &&
+		    snd_config_get_bool(n) > 0)
+			goto __skip_add;
 		if (level == 1 &&
 		    snd_config_search(cfg, "show", &n) >= 0 &&
 		    snd_config_get_bool(n) <= 0)
-		    	goto __skip_add;
+			goto __skip_add;
 		if (buf1 == NULL &&
 		    snd_config_search(cfg, "description", &n) >= 0 &&
 		    snd_config_get_string(n, &str) >= 0) {
-- 
2.16.4