1 files changed, 48 insertions, 0 deletions

diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
index 665115d23627..23bfab448844 100644
--- a/sound/pci/oxygen/virtuoso.c
+++ b/sound/pci/oxygen/virtuoso.c
@@ -80,6 +80,8 @@ MODULE_DEVICE_TABLE(pci, xonar_ids);
 #define GPIO_ALT                0x0080
 #define GPIO_OUTPUT_ENABLE      0x0100
 
+#define GPIO_LINE_MUTE          CM9780_GPO0
+
 /* register 16 */
 #define PCM1796_ATL_MASK        0xff
 /* register 17 */
@@ -168,6 +170,7 @@ static void xonar_init(struct oxygen *chip)
                               GPIO_CS5381_M_SINGLE,
                               GPIO_CS5381_M_MASK | GPIO_ALT);
         oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
+        oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
         msleep(300);
         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_OUTPUT_ENABLE);
         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
@@ -231,6 +234,47 @@ static void set_cs5381_params(struct oxygen *chip,
                               value, GPIO_CS5381_M_MASK);
 }
 
+static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
+{
+        unsigned int index = chip->controls[control]->private_value & 0xff;
+        u16 value;
+
+        value = oxygen_read_ac97(chip, 0, index);
+        if (!(value & 0x8000)) {
+                oxygen_write_ac97(chip, 0, index, value | 0x8000);
+                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                               &chip->controls[control]->id);
+        }
+}
+
+static void xonar_ac97_switch_hook(struct oxygen *chip,
+                                   unsigned int reg, int mute)
+{
+        /* line-in is exclusive */
+        switch (reg) {
+        case AC97_LINE:
+                oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
+                                         mute ? GPIO_LINE_MUTE : 0,
+                                         GPIO_LINE_MUTE);
+                if (!mute) {
+                        mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
+                        mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
+                        mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
+                }
+                break;
+        case AC97_MIC:
+        case AC97_CD:
+        case AC97_VIDEO:
+        case AC97_AUX:
+                if (!mute) {
+                        oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
+                                             GPIO_LINE_MUTE);
+                        mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
+                }
+                break;
+        }
+}
+
 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
                                struct snd_ctl_elem_info *info)
 {
@@ -288,7 +332,10 @@ static int xonar_control_filter(struct snd_kcontrol_new *template)
                 template->info = pcm1796_volume_info,
                 template->tlv.p = pcm1796_db_scale;
         } else if (!strncmp(template->name, "CD Capture ", 11)) {
+                /* CD in is actually connected to the video in pin */
                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
+        } else if (!strcmp(template->name, "Line Capture Volume")) {
+                return 1; /* line-in bypasses the AC'97 mixer */
         }
         return 0;
 }
@@ -310,6 +357,7 @@ static const struct oxygen_model model_xonar = {
         .set_adc_params = set_cs5381_params,
         .update_dac_volume = update_pcm1796_volume,
         .update_dac_mute = update_pcm1796_mute,
+        .ac97_switch_hook = xonar_ac97_switch_hook,
         .dac_channels = 8,
         .used_channels = OXYGEN_CHANNEL_B |
                          OXYGEN_CHANNEL_C |