From 4dddcf733d56a13f4d042fefa1fb6230c09f1f65 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 2 Dec 2019 11:56:30 +0100
Subject: [PATCH 06/30] ucm: docs - allow spaces in device names for JackHWMute
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
include/use-case.h | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/include/use-case.h b/include/use-case.h
index 85c58ac0614a..e1f5802789ff 100644
--- a/include/use-case.h
+++ b/include/use-case.h
@@ -326,7 +326,7 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
* - Valid values: "soft" (software attenuation)
* - EDIDFile
* - Path to EDID file for HDMI devices
- * - JackControl, JackDev, JackHWMute
+ * - JackControl, JackDev
* - Jack information for a device. The jack status can be reported via
* a kcontrol and/or via an input device. **JackControl** is the
* kcontrol name of the jack, and **JackDev** is the input device id of
@@ -334,17 +334,18 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
* JackDev value should be "foo"). UCM configuration files should
* contain both JackControl and JackDev when possible, because
* applications are likely to support only one or the other.
- *
- * If **JackHWMute** is set, it indicates that when the jack is plugged
- * in, the hardware automatically mutes some other device(s). The
- * JackHWMute value is a space-separated list of device names (this
- * isn't compatible with device names with spaces in them, so don't use
- * such device names!). Note that JackHWMute should be used only when
- * the hardware enforces the automatic muting. If the hardware doesn't
- * enforce any muting, it may still be tempting to set JackHWMute to
- * trick upper software layers to e.g. automatically mute speakers when
- * headphones are plugged in, but that's application policy
- * configuration that doesn't belong to UCM configuration files.
+ * - JackHWMute
+ * If this value is set, it indicates that when the jack is plugged
+ * in, the hardware automatically mutes some other device(s). The
+ * value is a space-separated list of device names. If the device
+ * name contains space, it must be enclosed to ' or ", e.g.:
+ * JackHWMute "'Dock Headphone' Headphone"
+ * Note that JackHWMute should be used only when the hardware enforces
+ * the automatic muting. If the hardware doesn't enforce any muting, it
+ * may still be tempting to set JackHWMute to trick upper software layers
+ * to e.g. automatically mute speakers when headphones are plugged in,
+ * but that's application policy configuration that doesn't belong
+ * to UCM configuration files.
* - MinBufferLevel
* - This is used on platform where reported buffer level is not accurate.
* E.g. "512", which holds 512 samples in device buffer. Note: this will
--
2.16.4