Merge branch 'topic/usb-audio' into for-linus

[pandora-kernel.git] / sound / usb / usbmixer.c

diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 4bd3a7a..ab5a3ac 100644 (file)
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -86,6 +86,7 @@ struct usb_mixer_interface {
        u8 rc_buffer[6];
 
        u8 audigy2nx_leds[3];
+       u8 xonar_u1_status;
 };
 
 
@@ -461,7 +462,7 @@ static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
                         unsigned int size, unsigned int __user *_tlv)
 {
        struct usb_mixer_elem_info *cval = kcontrol->private_data;
-       DECLARE_TLV_DB_SCALE(scale, 0, 0, 0);
+       DECLARE_TLV_DB_MINMAX(scale, 0, 0);
 
        if (size < sizeof(scale))
                return -ENOMEM;
@@ -469,7 +470,16 @@ static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
         * while ALSA TLV contains in 1/100 dB unit
         */
        scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256;
-       scale[3] = (convert_signed_value(cval, cval->res) * 100) / 256;
+       scale[3] = (convert_signed_value(cval, cval->max) * 100) / 256;
+       if (scale[3] <= scale[2]) {
+               /* something is wrong; assume it's either from/to 0dB */
+               if (scale[2] < 0)
+                       scale[3] = 0;
+               else if (scale[2] > 0)
+                       scale[2] = 0;
+               else /* totally crap, return an error */
+                       return -EINVAL;
+       }
        if (copy_to_user(_tlv, scale, sizeof(scale)))
                return -EFAULT;
        return 0;
@@ -990,20 +1000,35 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
                break;
        }
 
-       /* quirk for UDA1321/N101 */
-       /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */
-       /* is not very clear from datasheets */
-       /* I hope that the min value is -15360 for newer firmware --jk */
+       /* volume control quirks */
        switch (state->chip->usb_id) {
        case USB_ID(0x0471, 0x0101):
        case USB_ID(0x0471, 0x0104):
        case USB_ID(0x0471, 0x0105):
        case USB_ID(0x0672, 0x1041):
+       /* quirk for UDA1321/N101.
+        * note that detection between firmware 2.1.1.7 (N101)
+        * and later 2.1.1.21 is not very clear from datasheets.
+        * I hope that the min value is -15360 for newer firmware --jk
+        */
                if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
                    cval->min == -15616) {
-                       snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n");
+                       snd_printk(KERN_INFO
+                                "set volume quirk for UDA1321/N101 chip\n");
                        cval->max = -256;
                }
+               break;
+
+       case USB_ID(0x046d, 0x09a4):
+               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+                       snd_printk(KERN_INFO
+                               "set volume quirk for QuickCam E3500\n");
+                       cval->min = 6080;
+                       cval->max = 8768;
+                       cval->res = 192;
+               }
+               break;
+
        }
 
        snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n",
@@ -2018,6 +2043,58 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
        }
 }
 
+static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
+       return 0;
+}
+
+static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+       u8 old_status, new_status;
+       int err, changed;
+
+       old_status = mixer->xonar_u1_status;
+       if (ucontrol->value.integer.value[0])
+               new_status = old_status | 0x02;
+       else
+               new_status = old_status & ~0x02;
+       changed = new_status != old_status;
+       err = snd_usb_ctl_msg(mixer->chip->dev,
+                             usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
+                             USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+                             50, 0, &new_status, 1, 100);
+       if (err < 0)
+               return err;
+       mixer->xonar_u1_status = new_status;
+       return changed;
+}
+
+static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+       .name = "Digital Playback Switch",
+       .info = snd_ctl_boolean_mono_info,
+       .get = snd_xonar_u1_switch_get,
+       .put = snd_xonar_u1_switch_put,
+};
+
+static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
+{
+       int err;
+
+       err = snd_ctl_add(mixer->chip->card,
+                         snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
+       if (err < 0)
+               return err;
+       mixer->xonar_u1_status = 0x05;
+       return 0;
+}
+
 int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
                         int ignore_error)
 {
@@ -2060,6 +2137,13 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
                                              snd_audigy2nx_proc_read);
        }
 
+       if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
+           mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
+               err = snd_xonar_u1_controls_create(mixer);
+               if (err < 0)
+                       goto _error;
+       }
+
        err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
        if (err < 0)
                goto _error;