From: Andre Noll <maan@systemlinux.org>
Date: Sun, 8 Sep 2013 00:36:35 +0000 (+0000)
Subject: alsa_mix: Allow non-positive mixer values.
X-Git-Tag: v0.5.3~22^2~1
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=76fc8685059c8bd66686952d0e5cb8bba86bcdca;p=paraslash.git

alsa_mix: Allow non-positive mixer values.

For the rpi the PCM range is from -10239 to 400. The math in
->set_mixer works fine for negative values.
---

diff --git a/alsa_mix.c b/alsa_mix.c
index 01f1c512..0c2a1cf8 100644
--- a/alsa_mix.c
+++ b/alsa_mix.c
@@ -150,7 +150,7 @@ static int alsa_mix_set_channel(struct mixer_handle *h,
 			mixer_channel, h->card, snd_strerror(ret));
 		return -E_ALSA_MIX_BAD_ELEM;
 	}
-	if (h->pmin < 0 || h->pmax < 0 || h->pmin >= h->pmax) {
+	if (h->pmin >= h->pmax) {
 		PARA_NOTICE_LOG("alsa reported %s range %ld-%ld (%s)\n",
 			mixer_channel, h->pmin, h->pmax, h->card);
 		return -E_ALSA_MIX_BAD_ELEM;