diff options
Diffstat (limited to 'main/alsa-utils/uclibc-exp10.patch')
| -rw-r--r-- | main/alsa-utils/uclibc-exp10.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/main/alsa-utils/uclibc-exp10.patch b/main/alsa-utils/uclibc-exp10.patch new file mode 100644 index 0000000000..e021374a25 --- /dev/null +++ b/main/alsa-utils/uclibc-exp10.patch @@ -0,0 +1,25 @@ +diff --git a/alsamixer/volume_mapping.c b/alsamixer/volume_mapping.c +index 9cacad8..f08f003 100644 +--- a/alsamixer/volume_mapping.c ++++ b/alsamixer/volume_mapping.c +@@ -109,9 +109,9 @@ static double get_normalized_volume(snd_mixer_elem_t *elem, + if (use_linear_dB_scale(min, max)) + return (value - min) / (double)(max - min); + +- normalized = exp10((value - max) / 6000.0); ++ normalized = exp(M_LN10 * (value - max) / 6000.0); + if (min != SND_CTL_TLV_DB_GAIN_MUTE) { +- min_norm = exp10((min - max) / 6000.0); ++ min_norm = exp(M_LN10 * (min - max) / 6000.0); + normalized = (normalized - min_norm) / (1 - min_norm); + } + +@@ -144,7 +144,7 @@ static int set_normalized_volume(snd_mixer_elem_t *elem, + } + + if (min != SND_CTL_TLV_DB_GAIN_MUTE) { +- min_norm = exp10((min - max) / 6000.0); ++ min_norm = exp(M_LN10 * (min - max) / 6000.0); + volume = volume * (1 - min_norm) + min_norm; + } + value = lrint_dir(6000.0 * log10(volume), dir) + max; |