The convert_prange1 macro was not the exact inverse of convert_prange. This was causing the volume percentage set by 'amixer set' to differ from the one displayed by 'amixer get'.
Signed-off-by: Josef Gajdusek atx@atx.name --- amixer/amixer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/amixer/amixer.c b/amixer/amixer.c index cf82892..577a2ca 100644 --- a/amixer/amixer.c +++ b/amixer/amixer.c @@ -201,7 +201,7 @@ static int convert_prange(long val, long min, long max) /* Function to convert from percentage to volume. val = percentage */
#define convert_prange1(val, min, max) \ - ceil((val) * ((max) - (min)) * 0.01 + (min)) + rint((val) * ((max) - (min)) * 0.01 + (min))
struct volume_ops { int (*get_range)(snd_mixer_elem_t *elem, long *min, long *max);