|
@@ -0,0 +1,33 @@
|
|
|
+From da14c5ab2a6e030c5c56c979b8eb3ca071890876 Mon Sep 17 00:00:00 2001
|
|
|
+From: Peter Korsgaard <jacmet@sunsite.dk>
|
|
|
+Date: Mon, 14 Mar 2011 09:19:18 +0100
|
|
|
+Subject: [PATCH] alsamixer: fix build on uClibc
|
|
|
+
|
|
|
+exp10 is a glibc extension, which isn't supported on uClibc. Luckily,
|
|
|
+exp10() is trivial to compute based on exp(), so add a wrapper for
|
|
|
+the uClibc case.
|
|
|
+
|
|
|
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
|
|
|
+---
|
|
|
+ alsamixer/volume_mapping.c | 5 +++++
|
|
|
+ 1 files changed, 5 insertions(+), 0 deletions(-)
|
|
|
+
|
|
|
+diff --git a/alsamixer/volume_mapping.c b/alsamixer/volume_mapping.c
|
|
|
+index 9cacad8..1c0d7c4 100644
|
|
|
+--- a/alsamixer/volume_mapping.c
|
|
|
++++ b/alsamixer/volume_mapping.c
|
|
|
+@@ -37,6 +37,11 @@
|
|
|
+ #include <stdbool.h>
|
|
|
+ #include "volume_mapping.h"
|
|
|
+
|
|
|
++#ifdef __UCLIBC__
|
|
|
++/* 10^x = 10^(log e^x) = (e^x)^log10 = e^(x * log 10) */
|
|
|
++#define exp10(x) (exp((x) * log(10)))
|
|
|
++#endif /* __UCLIBC__ */
|
|
|
++
|
|
|
+ #define MAX_LINEAR_DB_SCALE 24
|
|
|
+
|
|
|
+ static inline bool use_linear_dB_scale(long dBmin, long dBmax)
|
|
|
+--
|
|
|
+1.7.2.3
|
|
|
+
|