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authorTakashi Iwai <tiwai@suse.de>2008-12-25 11:40:26 +0100
committerTakashi Iwai <tiwai@suse.de>2008-12-25 11:40:26 +0100
commite4456e71618ec2c98084c15824d93e997955b60c (patch)
tree114ebf0e5d065463f6340df29f08223a5d83547b /sound
parent5c8261e44eaebbc91f9fc1bbd3f3167e91a50a57 (diff)
parent16950e09cf07b54abb78dd09f8ef3c85c6bdc9de (diff)
Merge branch 'topic/audigy-capture-boost' into to-push
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/emu10k1/emumixer.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index f34bbfb705f..b0fb6c917c3 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -1639,6 +1639,45 @@ static struct snd_kcontrol_new snd_audigy_shared_spdif __devinitdata =
.put = snd_emu10k1_shared_spdif_put
};
+/* workaround for too low volume on Audigy due to 16bit/24bit conversion */
+
+#define snd_audigy_capture_boost_info snd_ctl_boolean_mono_info
+
+static int snd_audigy_capture_boost_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+
+ /* FIXME: better to use a cached version */
+ val = snd_ac97_read(emu->ac97, AC97_REC_GAIN);
+ ucontrol->value.integer.value[0] = !!val;
+ return 0;
+}
+
+static int snd_audigy_capture_boost_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+
+ if (ucontrol->value.integer.value[0])
+ val = 0x0f0f;
+ else
+ val = 0;
+ return snd_ac97_update(emu->ac97, AC97_REC_GAIN, val);
+}
+
+static struct snd_kcontrol_new snd_audigy_capture_boost __devinitdata =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Capture Boost",
+ .info = snd_audigy_capture_boost_info,
+ .get = snd_audigy_capture_boost_get,
+ .put = snd_audigy_capture_boost_put
+};
+
+
/*
*/
static void snd_emu10k1_mixer_free_ac97(struct snd_ac97 *ac97)
@@ -2087,5 +2126,12 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu,
}
}
+ if (emu->card_capabilities->ac97_chip && emu->audigy) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_audigy_capture_boost,
+ emu));
+ if (err < 0)
+ return err;
+ }
+
return 0;
}