[PATCH v3 1/2] ALSA: Kconfig: add config item SND_PROC_FS for expert

[Jie Yang]

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@xxxxxxxxx>
---
 sound/core/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 63cc2e9..4542554 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -225,4 +225,13 @@ config SND_DMA_SGBUF
 	def_bool y
 	depends on X86
 
+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.
+
 source "sound/core/seq/Kconfig"
-- 
1.9.1

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