修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/sound/core/Kconfig
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@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 # ALSA soundcard-configuration
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 config SND_TIMER
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 	tristate
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@@ -71,11 +72,11 @@
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 config SND_PCM_OSS_PLUGINS
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 	bool "OSS PCM (digital audio) API - Include plugin system"
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 	depends on SND_PCM_OSS
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-        default y
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+	default y
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 	help
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-          If you disable this option, the ALSA's OSS PCM API will not
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-          support conversion of channels, formats and rates. It will
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-          behave like most of new OSS/Free drivers in 2.4/2.6 kernels.
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+	  If you disable this option, the ALSA's OSS PCM API will not
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+	  support conversion of channels, formats and rates. It will
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+	  behave like most of new OSS/Free drivers in 2.4/2.6 kernels.
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 config SND_PCM_TIMER
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 	bool "PCM timer interface" if EXPERT
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@@ -127,13 +128,13 @@
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 	  or older).
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 config SND_PROC_FS
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-        bool "Sound Proc FS Support" if EXPERT
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-        depends on PROC_FS
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-        default y
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-        help
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-          Say 'N' to disable Sound proc FS, which may reduce code size about
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-          9KB on x86_64 platform.
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-          If unsure say Y.
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+	bool "Sound Proc FS Support" if EXPERT
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+	depends on PROC_FS
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+	default y
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+	help
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+	  Say 'N' to disable Sound proc FS, which may reduce code size about
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+	  9KB on x86_64 platform.
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+	  If unsure say Y.
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 config SND_VERBOSE_PROCFS
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 	bool "Verbose procfs contents"
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@@ -141,8 +142,8 @@
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 	default y
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 	help
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 	  Say Y here to include code for verbose procfs contents (provides
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-          useful information to developers when a problem occurs).  On the
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-          other side, it makes the ALSA subsystem larger.
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+	  useful information to developers when a problem occurs).  On the
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+	  other side, it makes the ALSA subsystem larger.
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 config SND_VERBOSE_PRINTK
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 	bool "Verbose printk"
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 	depends on SND_DEBUG
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 	help
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 	  Say Y here to enable extra-verbose debugging messages.
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-	  
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+
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 	  Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages.
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 	  So, say Y only if you are ready to be annoyed.
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@@ -177,6 +178,15 @@
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 	  sound clicking when system is loaded, it may help to determine
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 	  the process or driver which causes the scheduling gaps.
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+config SND_CTL_VALIDATION
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+	bool "Perform sanity-checks for each control element access"
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+	depends on SND_DEBUG
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+	help
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+	  Say Y to enable the additional validation of each control element
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+	  access, including sanity-checks like whether the values returned
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+	  from the driver are in the proper ranges or the check of the invalid
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+	  access at out-of-array areas.
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+
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 config SND_VMASTER
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 	bool
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