ALSA: echoaudio - Re-enable the line-out control for the Mia card

Mia has an undocumented line-out control, and it has to be exposed.

Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 26 insertions, 4 deletions

diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index da2065cd2c0d..1305f7ca02c3 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -950,7 +950,7 @@ static int __devinit snd_echo_new_pcm(struct echoaudio *chip)
         Control interface
 ******************************************************************************/
 
-#ifndef ECHOCARD_HAS_VMIXER
+#if !defined(ECHOCARD_HAS_VMIXER) || defined(ECHOCARD_HAS_LINE_OUT_GAIN)
 
 /******************* PCM output volume *******************/
 static int snd_echo_output_gain_info(struct snd_kcontrol *kcontrol,
@@ -1003,6 +1003,19 @@ static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol,
         return changed;
 }
 
+#ifdef ECHOCARD_HAS_LINE_OUT_GAIN
+/* On the Mia this one controls the line-out volume */
+static struct snd_kcontrol_new snd_echo_line_output_gain __devinitdata = {
+        .name = "Line Playback Volume",
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+        .info = snd_echo_output_gain_info,
+        .get = snd_echo_output_gain_get,
+        .put = snd_echo_output_gain_put,
+        .tlv = {.p = db_scale_output_gain},
+};
+#else
 static struct snd_kcontrol_new snd_echo_pcm_output_gain __devinitdata = {
         .name = "PCM Playback Volume",
         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -1012,9 +1025,10 @@ static struct snd_kcontrol_new snd_echo_pcm_output_gain __devinitdata = {
         .put = snd_echo_output_gain_put,
         .tlv = {.p = db_scale_output_gain},
 };
-
 #endif
 
+#endif /* !ECHOCARD_HAS_VMIXER || ECHOCARD_HAS_LINE_OUT_GAIN */
+
 
 
 #ifdef ECHOCARD_HAS_INPUT_GAIN
@@ -2030,10 +2044,18 @@ static int __devinit snd_echo_probe(struct pci_dev *pci,
         snd_echo_vmixer.count = num_pipes_out(chip) * num_busses_out(chip);
         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip))) < 0)
                 goto ctl_error;
-#else
-        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_pcm_output_gain, chip))) < 0)
+#ifdef ECHOCARD_HAS_LINE_OUT_GAIN
+        err = snd_ctl_add(chip->card,
+                          snd_ctl_new1(&snd_echo_line_output_gain, chip));
+        if (err < 0)
                 goto ctl_error;
 #endif
+#else /* ECHOCARD_HAS_VMIXER */
+        err = snd_ctl_add(chip->card,
+                          snd_ctl_new1(&snd_echo_pcm_output_gain, chip));
+        if (err < 0)
+                goto ctl_error;
+#endif /* ECHOCARD_HAS_VMIXER */
 
 #ifdef ECHOCARD_HAS_INPUT_GAIN
         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip))) < 0)