Added a stereo volume control for each analog output channel pair. Master volume modified so that it acts as a software weight for the individual channel faders. Added mute switches for master and individual analog channels.

Signed-off-by: Torsten Schenk torsten.schenk@zoho.com Cc: stable@kernel.org [3.0+] --- diff -Nur a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c --- a/sound/usb/6fire/chip.c 2011-09-15 16:11:08.000000000 +0000 +++ b/sound/usb/6fire/chip.c 2011-09-15 16:11:46.000000000 +0000 @@ -5,7 +5,7 @@ * * Author: Torsten Schenk torsten.schenk@zoho.com * Created: Jan 01, 2011 - * Version: 0.3.0 + * Version: 0.3.6 * Copyright: (C) Torsten Schenk * * This program is free software; you can redistribute it and/or modify @@ -29,7 +29,7 @@ #include <sound/initval.h>

MODULE_AUTHOR("Torsten Schenk torsten.schenk@zoho.com"); -MODULE_DESCRIPTION("TerraTec DMX 6Fire USB audio driver, version 0.3.0"); +MODULE_DESCRIPTION("TerraTec DMX 6Fire USB audio driver, version 0.3.6"); MODULE_LICENSE("GPL v2"); MODULE_SUPPORTED_DEVICE("{{TerraTec, DMX 6Fire USB}}");

diff -Nur a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c --- a/sound/usb/6fire/control.c 2011-09-02 13:48:10.000000000 +0000 +++ b/sound/usb/6fire/control.c 2011-09-02 13:50:35.000000000 +0000 @@ -5,9 +5,13 @@ * * Author: Torsten Schenk torsten.schenk@zoho.com * Created: Jan 01, 2011 - * Version: 0.3.0 + * Version: 0.3.6 * Copyright: (C) Torsten Schenk * + * Thanks to: + * - Holger Ruckdeschel: he found out how to control individual analog + * channel volumes and introduced mute switches + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -59,7 +63,7 @@ { 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 }, { 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 }, { 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 }, - { 0x12, 0x0d, 0x78 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 }, + { 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 }, { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 }, { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 }, { 0 } /* TERMINATING ENTRY */ @@ -74,15 +78,35 @@ DIGITAL_THRU_ONLY_SAMPLERATE = 3 };

-static void usb6fire_control_master_vol_update(struct control_runtime *rt) +static void usb6fire_control_output_vol_update(struct control_runtime *rt) +{ + struct comm_runtime *comm_rt = rt->chip->comm; + u8 value; + + if (comm_rt) { + int i; + for (i = 0; i < 6; i++) { + /* set volume */ + value = rt->output_vol[i] * rt->master_vol / 0x7f; + comm_rt->write8(comm_rt, 0x12, 0x0f + i, 0x7f - + log_volume_table[value]); + } + } +} + +static void usb6fire_control_output_switch_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; + int i; + u8 value = 0x00; + if (comm_rt) { - /* set volume */ - comm_rt->write8(comm_rt, 0x12, 0x0f, 0x7f - - log_volume_table[rt->master_vol]); - /* unmute */ - comm_rt->write8(comm_rt, 0x12, 0x0e, 0x00); + if (rt->master_switch) /* mute/unmute single outputs */ + for (i = 0; i < 6; i++) + value |= !rt->output_switch[i] << i; + else /* mute all outputs */ + value = 0x3f; + comm_rt->write8(comm_rt, 0x12, 0x0e, value); } }

@@ -171,7 +195,17 @@ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; - uinfo->value.integer.max = 127; + uinfo->value.integer.max = 0x7f; + return 0; +} + +static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 0x7f; return 0; }

@@ -182,7 +216,12 @@ int changed = 0; if (rt->master_vol != ucontrol->value.integer.value[0]) { rt->master_vol = ucontrol->value.integer.value[0]; - usb6fire_control_master_vol_update(rt); + usb6fire_control_output_vol_update(rt); + changed = 1; + } + if (rt->master_vol != ucontrol->value.integer.value[0]) { + rt->master_vol = ucontrol->value.integer.value[0]; + usb6fire_control_output_vol_update(rt); changed = 1; } return changed; @@ -196,6 +235,127 @@ return 0; }

+static int usb6fire_control_master_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + int changed = 0; + if (rt->master_switch != ucontrol->value.integer.value[0]) { + rt->master_switch = ucontrol->value.integer.value[0]; + usb6fire_control_output_switch_update(rt); + changed = 1; + } + return changed; +} + +static int usb6fire_control_master_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = rt->master_switch; + return 0; +} + +static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + unsigned long chs = kcontrol->private_value; + unsigned long ch0 = 2 * chs; + unsigned long ch1 = 2 * chs + 1; + int changed = 0; + + if (chs < 0 || chs > 2) { + snd_printk(KERN_ERR PREFIX + "Invalid channel in volume control."); + return 0; + } + + if (rt->output_vol[ch0] != ucontrol->value.integer.value[0]) { + rt->output_vol[ch0] = ucontrol->value.integer.value[0]; + changed = 1; + } + if (rt->output_vol[ch1] != ucontrol->value.integer.value[1]) { + rt->output_vol[ch1] = ucontrol->value.integer.value[1]; + changed = 1; + } + + if (changed) + usb6fire_control_output_vol_update(rt); + + return changed; +} + +static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + unsigned long chs = kcontrol->private_value; + unsigned long ch0 = 2 * chs; + unsigned long ch1 = 2 * chs + 1; + + if (chs < 0 || chs > 2) { + snd_printk(KERN_ERR PREFIX + "Invalid channel in volume control."); + return 0; + } + + ucontrol->value.integer.value[0] = rt->output_vol[ch0]; + ucontrol->value.integer.value[1] = rt->output_vol[ch1]; + + return 0; +} + +static int usb6fire_control_output_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + unsigned long chs = kcontrol->private_value; + unsigned long ch0 = 2 * chs; + unsigned long ch1 = 2 * chs + 1; + int changed = 0; + + if (chs < 0 || chs > 2) { + snd_printk(KERN_ERR PREFIX + "Invalid channel in volume control."); + return 0; + } + + if (rt->output_switch[ch0] != ucontrol->value.integer.value[0]) { + rt->output_switch[ch0] = ucontrol->value.integer.value[0]; + changed = 1; + } + if (rt->output_switch[ch1] != ucontrol->value.integer.value[1]) { + rt->output_switch[ch1] = ucontrol->value.integer.value[1]; + changed = 1; + } + + if (changed) + usb6fire_control_output_switch_update(rt); + + return changed; +} + +static int usb6fire_control_output_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + unsigned long chs = kcontrol->private_value; + unsigned long ch0 = 2 * chs; + unsigned long ch1 = 2 * chs + 1; + + if (chs < 0 || chs > 2) { + snd_printk(KERN_ERR PREFIX + "Invalid channel in volume control."); + return 0; + } + + ucontrol->value.integer.value[0] = rt->output_switch[ch0]; + ucontrol->value.integer.value[1] = rt->output_switch[ch1]; + + return 0; +} + static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { @@ -299,6 +459,75 @@ }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Master Playback Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ctl_boolean_mono_info, + .get = usb6fire_control_master_switch_get, + .put = usb6fire_control_master_switch_put + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 1/2 Playback Volume", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = usb6fire_control_output_vol_info, + .get = usb6fire_control_output_vol_get, + .put = usb6fire_control_output_vol_put, + .private_value = 0 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 1/2 Playback Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ctl_boolean_stereo_info, + .get = usb6fire_control_output_switch_get, + .put = usb6fire_control_output_switch_put, + .private_value = 0 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 3/4 Playback Volume", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = usb6fire_control_output_vol_info, + .get = usb6fire_control_output_vol_get, + .put = usb6fire_control_output_vol_put, + .private_value = 1 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 3/4 Playback Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ctl_boolean_stereo_info, + .get = usb6fire_control_output_switch_get, + .put = usb6fire_control_output_switch_put, + .private_value = 1 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 5/6 Playback Volume", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = usb6fire_control_output_vol_info, + .get = usb6fire_control_output_vol_get, + .put = usb6fire_control_output_vol_put, + .private_value = 2 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Output 5/6 Playback Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ctl_boolean_stereo_info, + .get = usb6fire_control_output_switch_get, + .put = usb6fire_control_output_switch_put, + .private_value = 2 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line/Phono Capture Route", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -352,7 +581,8 @@

usb6fire_control_opt_coax_update(rt); usb6fire_control_line_phono_update(rt); - usb6fire_control_master_vol_update(rt); + usb6fire_control_output_vol_update(rt); + usb6fire_control_output_switch_update(rt); usb6fire_control_streaming_update(rt);

i = 0; @@ -378,3 +608,4 @@ kfree(chip->control); chip->control = NULL; } + diff -Nur a/sound/usb/6fire/control.h b/sound/usb/6fire/control.h --- a/sound/usb/6fire/control.h 2011-09-02 13:48:10.000000000 +0000 +++ b/sound/usb/6fire/control.h 2011-09-02 13:50:30.000000000 +0000 @@ -3,9 +3,13 @@ * * Author: Torsten Schenk torsten.schenk@zoho.com * Created: Jan 01, 2011 - * Version: 0.3.0 + * Version: 0.3.6 * Copyright: (C) Torsten Schenk * + * Thanks to: + * - Holger Ruckdeschel: he found out how to control individual analog + * channel volumes and introduced mute switches + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -45,6 +49,9 @@ bool digital_thru_switch; bool usb_streaming; u8 master_vol; + bool master_switch; + u8 output_vol[6]; + bool output_switch[6]; };

int __devinit usb6fire_control_init(struct sfire_chip *chip);