linux-kernel - [PATCH RESEND v3 1/2] ALSA: Kconfig: add config item SND_PROC

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Date:	Wed, 27 May 2015 19:45:44 +0800
From:	Jie Yang <yang.jie@...el.com>
To:	tiwai@...e.de, broonie@...nel.org
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	liam.r.girdwood@...el.com, yang.jie@...el.com,
	vivian.zhang@...el.com
Subject: [PATCH RESEND v3 1/2] ALSA: Kconfig: add config item SND_PROC_FS for expert

For some embedded devices, we need reduce code size and data
footprint as much as possible, e.g. disabling procfs, hw/sw
params refinement, mmap, dpcm, dapm, compressed API...

Here add SND_PROC_FS item for expert, we can unselect it to
disable sound proc FS and reduce memory footprint.

Signed-off-by: Jie Yang <yang.jie@...el.com>
---
 sound/core/Kconfig | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 63cc2e9..88e0bc4 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -176,9 +176,18 @@ config SND_SUPPORT_OLD_API
 	  Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3
 	  or older).
 
+config SND_PROC_FS
+        bool "Sound Proc FS Support" if EXPERT
+        depends on PROC_FS
+        default y
+        help
+          Say 'N' to disable Sound proc FS, which may reduce code size about
+          9KB on x86_64 platform.
+          If unsure say Y.
+
 config SND_VERBOSE_PROCFS
 	bool "Verbose procfs contents"
-	depends on PROC_FS
+	depends on SND_PROC_FS
 	default y
 	help
 	  Say Y here to include code for verbose procfs contents (provides
-- 
1.9.1

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