diff options
author | David S. Miller <davem@davemloft.net> | 2009-09-11 20:35:13 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-09-11 20:35:13 -0700 |
commit | cabc5c0f7fa1342049042d6e147db5a73773955b (patch) | |
tree | 2be09ae1777d580c7dfe05d6d5b76e57281ec447 /sound/usb/usbmixer.c | |
parent | b73d884756303316ead4cd7dad51236b2a515a1a (diff) | |
parent | 86d710146fb9975f04c505ec78caa43d227c1018 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
arch/sparc/Kconfig
Diffstat (limited to 'sound/usb/usbmixer.c')
-rw-r--r-- | sound/usb/usbmixer.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index ec9cdf98692..ab5a3ac2ac4 100644 --- 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; @@ -2033,6 +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) { @@ -2075,6 +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; |