File 0037-update-ucm2-README.md-more-kernel-module-l... of Package alsa-ucm-conf

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File 0037-update-ucm2-README.md-more-kernel-module-lookup-clar.patch of Package alsa-ucm-conf (Revision f501f9ce0f5aa554a47e3201a0f98fd9)

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From db3a362d7523ef30a1640a76f2e460ce582f82fc Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 18 Aug 2020 16:00:31 +0200
Subject: [PATCH 37/51] update ucm2/README.md - more kernel module lookup
 clarifications

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 ucm2/README.md | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/ucm2/README.md b/ucm2/README.md
index b5a4196e50e8..3f07548a8aef 100644
--- a/ucm2/README.md
+++ b/ucm2/README.md
@@ -12,7 +12,12 @@ configurations. They contain files included from other UCMs.
 
 UCM master configuration path lookup is defined in the top level
 ucm.conf file. This file allows custom directory layout. The new
-ucm2 layout is based on the driver name.
+ucm2 layout is based on the kernel module driver name with the
+ALSA driver name fallback.
+
+The lookup configuration:
+
+  https://git.alsa-project.org/?p=alsa-ucm-conf.git;a=blob;f=ucm2/ucm.conf
 
 Example paths:
 
@@ -21,8 +26,15 @@ Example paths:
 - TwoCardsMix/TwoCardsMix.conf
 -- virtual UCM from two soundcards
 
-Note: For the driver configurations, use always the real driver name
-not the ucm card name configuration paths!
+Note: For the driver configurations, use always the real kernel driver
+name or the ALSA driver name - not the ucm card name configuration paths!
+
+The kernel driver name is obtained using sysfs like (last
+part of the path is used from the symlink):
+
+````
+  /sys/class/sound/card0/device/driver
+````
 
 The driver name can be obtained using procfs like:
 
-- 
2.16.4

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File 0037-update-ucm2-README.md-more-kernel-module-lookup-clar.patch of Package alsa-ucm-conf (Revision f501f9ce0f5aa554a47e3201a0f98fd9)

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