ALSA: virtuoso: add Xonar DS headphone jack detection

Now that the polarity of the headphone detection pin is known, replace
the debugging message with a proper jack plug input device.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 19 insertions, 6 deletions

diff --git a/sound/pci/oxygen/xonar_wm87x6.c b/sound/pci/oxygen/xonar_wm87x6.c
index fb3f95ccafa1..9d57b5eee3f5 100644
--- a/sound/pci/oxygen/xonar_wm87x6.c
+++ b/sound/pci/oxygen/xonar_wm87x6.c
@@ -25,8 +25,8 @@
  * SPI 0 -> WM8766 (surround, center/LFE, back)
  * SPI 1 -> WM8776 (front, input)
  *
- * GPIO 4 <- headphone detect
- * GPIO 6 -> route input jack to input 1/2 (1/0)
+ * GPIO 4 <- headphone detect, 0 = plugged
+ * GPIO 6 -> route input jack to mic-in (0) or line-in (1)
  * GPIO 7 -> enable output to speakers
  * GPIO 8 -> enable output to speakers
  *
@@ -42,6 +42,7 @@
 #include <linux/delay.h>
 #include <sound/control.h>
 #include <sound/core.h>
+#include <sound/jack.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/tlv.h>
@@ -63,6 +64,7 @@ struct xonar_wm87x6 {
         struct snd_kcontrol *line_adcmux_control;
         struct snd_kcontrol *mic_adcmux_control;
         struct snd_kcontrol *lc_controls[13];
+        struct snd_jack *hp_jack;
 };
 
 static void wm8776_write(struct oxygen *chip,
@@ -177,6 +179,16 @@ static void wm8776_init(struct oxygen *chip)
         wm8776_registers_init(chip);
 }
 
+static void xonar_ds_report_hp_jack(struct oxygen *chip)
+{
+        struct xonar_wm87x6 *data = chip->model_data;
+        u16 bits;
+
+        bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+        snd_jack_report(data->hp_jack,
+                        bits & GPIO_DS_HP_DETECT ? 0 : SND_JACK_HEADPHONE);
+}
+
 static void xonar_ds_init(struct oxygen *chip)
 {
         struct xonar_wm87x6 *data = chip->model_data;
@@ -195,6 +207,10 @@ static void xonar_ds_init(struct oxygen *chip)
 
         xonar_enable_output(chip);
 
+        snd_jack_new(chip->card, "Headphone",
+                     SND_JACK_HEADPHONE, &data->hp_jack);
+        xonar_ds_report_hp_jack(chip);
+
         snd_component_add(chip->card, "WM8776");
         snd_component_add(chip->card, "WM8766");
 }
@@ -332,10 +348,7 @@ static void update_wm87x6_mute(struct oxygen *chip)
 
 static void xonar_ds_gpio_changed(struct oxygen *chip)
 {
-        u16 bits;
-
-        bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
-        snd_printk(KERN_INFO "HP detect: %d\n", !!(bits & GPIO_DS_HP_DETECT));
+        xonar_ds_report_hp_jack(chip);
 }
 
 static int wm8776_bit_switch_get(struct snd_kcontrol *ctl,