root/sound/usb/caiaq/control.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *   Copyright (c) 2007 Daniel Mack
 *   friendly supported by NI.
 */

#include <linux/device.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/pcm.h>

#include "device.h"
#include "control.h"

#define CNT_INTVAL 0x10000
#define MASCHINE_BANK_SIZE 32

static int control_info(struct snd_kcontrol *kcontrol,
                        struct snd_ctl_elem_info *uinfo)
{
        struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
        struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
        int pos = kcontrol->private_value;
        int is_intval = pos & CNT_INTVAL;
        int maxval = 63;

        uinfo->count = 1;
        pos &= ~CNT_INTVAL;

        switch (cdev->chip.usb_id) {
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
                if (pos == 0) {
                        /* current input mode of A8DJ and A4DJ */
                        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
                        uinfo->value.integer.min = 0;
                        uinfo->value.integer.max = 2;
                        return 0;
                }
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
                maxval = 127;
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
                maxval = 31;
                break;
        }

        if (is_intval) {
                uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
                uinfo->value.integer.min = 0;
                uinfo->value.integer.max = maxval;
        } else {
                uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
                uinfo->value.integer.min = 0;
                uinfo->value.integer.max = 1;
        }

        return 0;
}

static int control_get(struct snd_kcontrol *kcontrol,
                       struct snd_ctl_elem_value *ucontrol)
{
        struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
        struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
        int pos = kcontrol->private_value;

        if (pos & CNT_INTVAL)
                ucontrol->value.integer.value[0]
                        = cdev->control_state[pos & ~CNT_INTVAL];
        else
                ucontrol->value.integer.value[0]
                        = !!(cdev->control_state[pos / 8] & (1 << pos % 8));

        return 0;
}

static int control_put(struct snd_kcontrol *kcontrol,
                       struct snd_ctl_elem_value *ucontrol)
{
        struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
        struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
        int pos = kcontrol->private_value;
        int v = ucontrol->value.integer.value[0];
        unsigned char cmd;

        switch (cdev->chip.usb_id) {
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
                cmd = EP1_CMD_DIMM_LEDS;
                break;
        default:
                cmd = EP1_CMD_WRITE_IO;
                break;
        }

        if (pos & CNT_INTVAL) {
                int i = pos & ~CNT_INTVAL;

                cdev->control_state[i] = v;

                if (cdev->chip.usb_id ==
                        USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4)) {
                        int actual_len;

                        cdev->ep8_out_buf[0] = i;
                        cdev->ep8_out_buf[1] = v;

                        usb_bulk_msg(cdev->chip.dev,
                                     usb_sndbulkpipe(cdev->chip.dev, 8),
                                     cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf),
                                     &actual_len, 200);
                } else if (cdev->chip.usb_id ==
                        USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) {

                        int bank = 0;
                        int offset = 0;

                        if (i >= MASCHINE_BANK_SIZE) {
                                bank = 0x1e;
                                offset = MASCHINE_BANK_SIZE;
                        }

                        snd_usb_caiaq_send_command_bank(cdev, cmd, bank,
                                        cdev->control_state + offset,
                                        MASCHINE_BANK_SIZE);
                } else {
                        snd_usb_caiaq_send_command(cdev, cmd,
                                        cdev->control_state, sizeof(cdev->control_state));
                }
        } else {
                if (v)
                        cdev->control_state[pos / 8] |= 1 << (pos % 8);
                else
                        cdev->control_state[pos / 8] &= ~(1 << (pos % 8));

                snd_usb_caiaq_send_command(cdev, cmd,
                                cdev->control_state, sizeof(cdev->control_state));
        }

        return 1;
}

static struct snd_kcontrol_new kcontrol_template = {
        .iface = SNDRV_CTL_ELEM_IFACE_HWDEP,
        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
        .index = 0,
        .info = control_info,
        .get  = control_get,
        .put  = control_put,
        /* name and private_value filled later */
};

struct caiaq_controller {
        char *name;
        int index;
};

static const struct caiaq_controller ak1_controller[] = {
        { "LED left",   2 },
        { "LED middle", 1 },
        { "LED right",  0 },
        { "LED ring",   3 }
};

static const struct caiaq_controller rk2_controller[] = {
        { "LED 1",              5  },
        { "LED 2",              4  },
        { "LED 3",              3  },
        { "LED 4",              2  },
        { "LED 5",              1  },
        { "LED 6",              0  },
        { "LED pedal",          6  },
        { "LED 7seg_1b",        8  },
        { "LED 7seg_1c",        9  },
        { "LED 7seg_2a",        10 },
        { "LED 7seg_2b",        11 },
        { "LED 7seg_2c",        12 },
        { "LED 7seg_2d",        13 },
        { "LED 7seg_2e",        14 },
        { "LED 7seg_2f",        15 },
        { "LED 7seg_2g",        16 },
        { "LED 7seg_3a",        17 },
        { "LED 7seg_3b",        18 },
        { "LED 7seg_3c",        19 },
        { "LED 7seg_3d",        20 },
        { "LED 7seg_3e",        21 },
        { "LED 7seg_3f",        22 },
        { "LED 7seg_3g",        23 }
};

static const struct caiaq_controller rk3_controller[] = {
        { "LED 7seg_1a",        0 + 0 },
        { "LED 7seg_1b",        0 + 1 },
        { "LED 7seg_1c",        0 + 2 },
        { "LED 7seg_1d",        0 + 3 },
        { "LED 7seg_1e",        0 + 4 },
        { "LED 7seg_1f",        0 + 5 },
        { "LED 7seg_1g",        0 + 6 },
        { "LED 7seg_1p",        0 + 7 },

        { "LED 7seg_2a",        8 + 0 },
        { "LED 7seg_2b",        8 + 1 },
        { "LED 7seg_2c",        8 + 2 },
        { "LED 7seg_2d",        8 + 3 },
        { "LED 7seg_2e",        8 + 4 },
        { "LED 7seg_2f",        8 + 5 },
        { "LED 7seg_2g",        8 + 6 },
        { "LED 7seg_2p",        8 + 7 },

        { "LED 7seg_3a",        16 + 0 },
        { "LED 7seg_3b",        16 + 1 },
        { "LED 7seg_3c",        16 + 2 },
        { "LED 7seg_3d",        16 + 3 },
        { "LED 7seg_3e",        16 + 4 },
        { "LED 7seg_3f",        16 + 5 },
        { "LED 7seg_3g",        16 + 6 },
        { "LED 7seg_3p",        16 + 7 },

        { "LED 7seg_4a",        24 + 0 },
        { "LED 7seg_4b",        24 + 1 },
        { "LED 7seg_4c",        24 + 2 },
        { "LED 7seg_4d",        24 + 3 },
        { "LED 7seg_4e",        24 + 4 },
        { "LED 7seg_4f",        24 + 5 },
        { "LED 7seg_4g",        24 + 6 },
        { "LED 7seg_4p",        24 + 7 },

        { "LED 1",              32 + 0 },
        { "LED 2",              32 + 1 },
        { "LED 3",              32 + 2 },
        { "LED 4",              32 + 3 },
        { "LED 5",              32 + 4 },
        { "LED 6",              32 + 5 },
        { "LED 7",              32 + 6 },
        { "LED 8",              32 + 7 },
        { "LED pedal",          32 + 8 }
};

static const struct caiaq_controller kore_controller[] = {
        { "LED F1",             8   | CNT_INTVAL },
        { "LED F2",             12  | CNT_INTVAL },
        { "LED F3",             0   | CNT_INTVAL },
        { "LED F4",             4   | CNT_INTVAL },
        { "LED F5",             11  | CNT_INTVAL },
        { "LED F6",             15  | CNT_INTVAL },
        { "LED F7",             3   | CNT_INTVAL },
        { "LED F8",             7   | CNT_INTVAL },
        { "LED touch1",         10  | CNT_INTVAL },
        { "LED touch2",         14  | CNT_INTVAL },
        { "LED touch3",         2   | CNT_INTVAL },
        { "LED touch4",         6   | CNT_INTVAL },
        { "LED touch5",         9   | CNT_INTVAL },
        { "LED touch6",         13  | CNT_INTVAL },
        { "LED touch7",         1   | CNT_INTVAL },
        { "LED touch8",         5   | CNT_INTVAL },
        { "LED left",           18  | CNT_INTVAL },
        { "LED right",          22  | CNT_INTVAL },
        { "LED up",             16  | CNT_INTVAL },
        { "LED down",           20  | CNT_INTVAL },
        { "LED stop",           23  | CNT_INTVAL },
        { "LED play",           21  | CNT_INTVAL },
        { "LED record",         19  | CNT_INTVAL },
        { "LED listen",         17  | CNT_INTVAL },
        { "LED lcd",            30  | CNT_INTVAL },
        { "LED menu",           28  | CNT_INTVAL },
        { "LED sound",          31  | CNT_INTVAL },
        { "LED esc",            29  | CNT_INTVAL },
        { "LED view",           27  | CNT_INTVAL },
        { "LED enter",          24  | CNT_INTVAL },
        { "LED control",        26  | CNT_INTVAL }
};

static const struct caiaq_controller a8dj_controller[] = {
        { "Current input mode",                 0 | CNT_INTVAL  },
        { "GND lift for TC Vinyl mode",         24 + 0          },
        { "GND lift for TC CD/Line mode",       24 + 1          },
        { "GND lift for phono mode",            24 + 2          },
        { "Software lock",                      40              }
};

static const struct caiaq_controller a4dj_controller[] = {
        { "Current input mode", 0 | CNT_INTVAL  }
};

static const struct caiaq_controller kontrolx1_controller[] = {
        { "LED FX A: ON",               7 | CNT_INTVAL  },
        { "LED FX A: 1",                6 | CNT_INTVAL  },
        { "LED FX A: 2",                5 | CNT_INTVAL  },
        { "LED FX A: 3",                4 | CNT_INTVAL  },
        { "LED FX B: ON",               3 | CNT_INTVAL  },
        { "LED FX B: 1",                2 | CNT_INTVAL  },
        { "LED FX B: 2",                1 | CNT_INTVAL  },
        { "LED FX B: 3",                0 | CNT_INTVAL  },

        { "LED Hotcue",                 28 | CNT_INTVAL },
        { "LED Shift (white)",          29 | CNT_INTVAL },
        { "LED Shift (green)",          30 | CNT_INTVAL },

        { "LED Deck A: FX1",            24 | CNT_INTVAL },
        { "LED Deck A: FX2",            25 | CNT_INTVAL },
        { "LED Deck A: IN",             17 | CNT_INTVAL },
        { "LED Deck A: OUT",            16 | CNT_INTVAL },
        { "LED Deck A: < BEAT",         19 | CNT_INTVAL },
        { "LED Deck A: BEAT >",         18 | CNT_INTVAL },
        { "LED Deck A: CUE/ABS",        21 | CNT_INTVAL },
        { "LED Deck A: CUP/REL",        20 | CNT_INTVAL },
        { "LED Deck A: PLAY",           23 | CNT_INTVAL },
        { "LED Deck A: SYNC",           22 | CNT_INTVAL },

        { "LED Deck B: FX1",            26 | CNT_INTVAL },
        { "LED Deck B: FX2",            27 | CNT_INTVAL },
        { "LED Deck B: IN",             15 | CNT_INTVAL },
        { "LED Deck B: OUT",            14 | CNT_INTVAL },
        { "LED Deck B: < BEAT",         13 | CNT_INTVAL },
        { "LED Deck B: BEAT >",         12 | CNT_INTVAL },
        { "LED Deck B: CUE/ABS",        11 | CNT_INTVAL },
        { "LED Deck B: CUP/REL",        10 | CNT_INTVAL },
        { "LED Deck B: PLAY",           9  | CNT_INTVAL },
        { "LED Deck B: SYNC",           8  | CNT_INTVAL },
};

static const struct caiaq_controller kontrols4_controller[] = {
        { "LED: Master: Quant",                 10  | CNT_INTVAL },
        { "LED: Master: Headphone",             11  | CNT_INTVAL },
        { "LED: Master: Master",                12  | CNT_INTVAL },
        { "LED: Master: Snap",                  14  | CNT_INTVAL },
        { "LED: Master: Warning",               15  | CNT_INTVAL },
        { "LED: Master: Master button",         112 | CNT_INTVAL },
        { "LED: Master: Snap button",           113 | CNT_INTVAL },
        { "LED: Master: Rec",                   118 | CNT_INTVAL },
        { "LED: Master: Size",                  119 | CNT_INTVAL },
        { "LED: Master: Quant button",          120 | CNT_INTVAL },
        { "LED: Master: Browser button",        121 | CNT_INTVAL },
        { "LED: Master: Play button",           126 | CNT_INTVAL },
        { "LED: Master: Undo button",           127 | CNT_INTVAL },

        { "LED: Channel A: >",                  4   | CNT_INTVAL },
        { "LED: Channel A: <",                  5   | CNT_INTVAL },
        { "LED: Channel A: Meter 1",            97  | CNT_INTVAL },
        { "LED: Channel A: Meter 2",            98  | CNT_INTVAL },
        { "LED: Channel A: Meter 3",            99  | CNT_INTVAL },
        { "LED: Channel A: Meter 4",            100 | CNT_INTVAL },
        { "LED: Channel A: Meter 5",            101 | CNT_INTVAL },
        { "LED: Channel A: Meter 6",            102 | CNT_INTVAL },
        { "LED: Channel A: Meter clip",         103 | CNT_INTVAL },
        { "LED: Channel A: Active",             114 | CNT_INTVAL },
        { "LED: Channel A: Cue",                116 | CNT_INTVAL },
        { "LED: Channel A: FX1",                149 | CNT_INTVAL },
        { "LED: Channel A: FX2",                148 | CNT_INTVAL },

        { "LED: Channel B: >",                  2   | CNT_INTVAL },
        { "LED: Channel B: <",                  3   | CNT_INTVAL },
        { "LED: Channel B: Meter 1",            89  | CNT_INTVAL },
        { "LED: Channel B: Meter 2",            90  | CNT_INTVAL },
        { "LED: Channel B: Meter 3",            91  | CNT_INTVAL },
        { "LED: Channel B: Meter 4",            92  | CNT_INTVAL },
        { "LED: Channel B: Meter 5",            93  | CNT_INTVAL },
        { "LED: Channel B: Meter 6",            94  | CNT_INTVAL },
        { "LED: Channel B: Meter clip",         95  | CNT_INTVAL },
        { "LED: Channel B: Active",             122 | CNT_INTVAL },
        { "LED: Channel B: Cue",                125 | CNT_INTVAL },
        { "LED: Channel B: FX1",                147 | CNT_INTVAL },
        { "LED: Channel B: FX2",                146 | CNT_INTVAL },

        { "LED: Channel C: >",                  6   | CNT_INTVAL },
        { "LED: Channel C: <",                  7   | CNT_INTVAL },
        { "LED: Channel C: Meter 1",            105 | CNT_INTVAL },
        { "LED: Channel C: Meter 2",            106 | CNT_INTVAL },
        { "LED: Channel C: Meter 3",            107 | CNT_INTVAL },
        { "LED: Channel C: Meter 4",            108 | CNT_INTVAL },
        { "LED: Channel C: Meter 5",            109 | CNT_INTVAL },
        { "LED: Channel C: Meter 6",            110 | CNT_INTVAL },
        { "LED: Channel C: Meter clip",         111 | CNT_INTVAL },
        { "LED: Channel C: Active",             115 | CNT_INTVAL },
        { "LED: Channel C: Cue",                117 | CNT_INTVAL },
        { "LED: Channel C: FX1",                151 | CNT_INTVAL },
        { "LED: Channel C: FX2",                150 | CNT_INTVAL },

        { "LED: Channel D: >",                  0   | CNT_INTVAL },
        { "LED: Channel D: <",                  1   | CNT_INTVAL },
        { "LED: Channel D: Meter 1",            81  | CNT_INTVAL },
        { "LED: Channel D: Meter 2",            82  | CNT_INTVAL },
        { "LED: Channel D: Meter 3",            83  | CNT_INTVAL },
        { "LED: Channel D: Meter 4",            84  | CNT_INTVAL },
        { "LED: Channel D: Meter 5",            85  | CNT_INTVAL },
        { "LED: Channel D: Meter 6",            86  | CNT_INTVAL },
        { "LED: Channel D: Meter clip",         87  | CNT_INTVAL },
        { "LED: Channel D: Active",             123 | CNT_INTVAL },
        { "LED: Channel D: Cue",                124 | CNT_INTVAL },
        { "LED: Channel D: FX1",                145 | CNT_INTVAL },
        { "LED: Channel D: FX2",                144 | CNT_INTVAL },

        { "LED: Deck A: 1 (blue)",              22  | CNT_INTVAL },
        { "LED: Deck A: 1 (green)",             23  | CNT_INTVAL },
        { "LED: Deck A: 2 (blue)",              20  | CNT_INTVAL },
        { "LED: Deck A: 2 (green)",             21  | CNT_INTVAL },
        { "LED: Deck A: 3 (blue)",              18  | CNT_INTVAL },
        { "LED: Deck A: 3 (green)",             19  | CNT_INTVAL },
        { "LED: Deck A: 4 (blue)",              16  | CNT_INTVAL },
        { "LED: Deck A: 4 (green)",             17  | CNT_INTVAL },
        { "LED: Deck A: Load",                  44  | CNT_INTVAL },
        { "LED: Deck A: Deck C button",         45  | CNT_INTVAL },
        { "LED: Deck A: In",                    47  | CNT_INTVAL },
        { "LED: Deck A: Out",                   46  | CNT_INTVAL },
        { "LED: Deck A: Shift",                 24  | CNT_INTVAL },
        { "LED: Deck A: Sync",                  27  | CNT_INTVAL },
        { "LED: Deck A: Cue",                   26  | CNT_INTVAL },
        { "LED: Deck A: Play",                  25  | CNT_INTVAL },
        { "LED: Deck A: Tempo up",              33  | CNT_INTVAL },
        { "LED: Deck A: Tempo down",            32  | CNT_INTVAL },
        { "LED: Deck A: Master",                34  | CNT_INTVAL },
        { "LED: Deck A: Keylock",               35  | CNT_INTVAL },
        { "LED: Deck A: Deck A",                37  | CNT_INTVAL },
        { "LED: Deck A: Deck C",                36  | CNT_INTVAL },
        { "LED: Deck A: Samples",               38  | CNT_INTVAL },
        { "LED: Deck A: On Air",                39  | CNT_INTVAL },
        { "LED: Deck A: Sample 1",              31  | CNT_INTVAL },
        { "LED: Deck A: Sample 2",              30  | CNT_INTVAL },
        { "LED: Deck A: Sample 3",              29  | CNT_INTVAL },
        { "LED: Deck A: Sample 4",              28  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - A",           55  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - B",           54  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - C",           53  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - D",           52  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - E",           51  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - F",           50  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - G",           49  | CNT_INTVAL },
        { "LED: Deck A: Digit 1 - dot",         48  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - A",           63  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - B",           62  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - C",           61  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - D",           60  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - E",           59  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - F",           58  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - G",           57  | CNT_INTVAL },
        { "LED: Deck A: Digit 2 - dot",         56  | CNT_INTVAL },

        { "LED: Deck B: 1 (blue)",              78  | CNT_INTVAL },
        { "LED: Deck B: 1 (green)",             79  | CNT_INTVAL },
        { "LED: Deck B: 2 (blue)",              76  | CNT_INTVAL },
        { "LED: Deck B: 2 (green)",             77  | CNT_INTVAL },
        { "LED: Deck B: 3 (blue)",              74  | CNT_INTVAL },
        { "LED: Deck B: 3 (green)",             75  | CNT_INTVAL },
        { "LED: Deck B: 4 (blue)",              72  | CNT_INTVAL },
        { "LED: Deck B: 4 (green)",             73  | CNT_INTVAL },
        { "LED: Deck B: Load",                  180 | CNT_INTVAL },
        { "LED: Deck B: Deck D button",         181 | CNT_INTVAL },
        { "LED: Deck B: In",                    183 | CNT_INTVAL },
        { "LED: Deck B: Out",                   182 | CNT_INTVAL },
        { "LED: Deck B: Shift",                 64  | CNT_INTVAL },
        { "LED: Deck B: Sync",                  67  | CNT_INTVAL },
        { "LED: Deck B: Cue",                   66  | CNT_INTVAL },
        { "LED: Deck B: Play",                  65  | CNT_INTVAL },
        { "LED: Deck B: Tempo up",              185 | CNT_INTVAL },
        { "LED: Deck B: Tempo down",            184 | CNT_INTVAL },
        { "LED: Deck B: Master",                186 | CNT_INTVAL },
        { "LED: Deck B: Keylock",               187 | CNT_INTVAL },
        { "LED: Deck B: Deck B",                189 | CNT_INTVAL },
        { "LED: Deck B: Deck D",                188 | CNT_INTVAL },
        { "LED: Deck B: Samples",               190 | CNT_INTVAL },
        { "LED: Deck B: On Air",                191 | CNT_INTVAL },
        { "LED: Deck B: Sample 1",              71  | CNT_INTVAL },
        { "LED: Deck B: Sample 2",              70  | CNT_INTVAL },
        { "LED: Deck B: Sample 3",              69  | CNT_INTVAL },
        { "LED: Deck B: Sample 4",              68  | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - A",           175 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - B",           174 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - C",           173 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - D",           172 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - E",           171 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - F",           170 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - G",           169 | CNT_INTVAL },
        { "LED: Deck B: Digit 1 - dot",         168 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - A",           167 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - B",           166 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - C",           165 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - D",           164 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - E",           163 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - F",           162 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - G",           161 | CNT_INTVAL },
        { "LED: Deck B: Digit 2 - dot",         160 | CNT_INTVAL },

        { "LED: FX1: dry/wet",                  153 | CNT_INTVAL },
        { "LED: FX1: 1",                        154 | CNT_INTVAL },
        { "LED: FX1: 2",                        155 | CNT_INTVAL },
        { "LED: FX1: 3",                        156 | CNT_INTVAL },
        { "LED: FX1: Mode",                     157 | CNT_INTVAL },
        { "LED: FX2: dry/wet",                  129 | CNT_INTVAL },
        { "LED: FX2: 1",                        130 | CNT_INTVAL },
        { "LED: FX2: 2",                        131 | CNT_INTVAL },
        { "LED: FX2: 3",                        132 | CNT_INTVAL },
        { "LED: FX2: Mode",                     133 | CNT_INTVAL },
};

static const struct caiaq_controller maschine_controller[] = {
        { "LED: Pad 1",                         3  | CNT_INTVAL },
        { "LED: Pad 2",                         2  | CNT_INTVAL },
        { "LED: Pad 3",                         1  | CNT_INTVAL },
        { "LED: Pad 4",                         0  | CNT_INTVAL },
        { "LED: Pad 5",                         7  | CNT_INTVAL },
        { "LED: Pad 6",                         6  | CNT_INTVAL },
        { "LED: Pad 7",                         5  | CNT_INTVAL },
        { "LED: Pad 8",                         4  | CNT_INTVAL },
        { "LED: Pad 9",                         11 | CNT_INTVAL },
        { "LED: Pad 10",                        10 | CNT_INTVAL },
        { "LED: Pad 11",                        9  | CNT_INTVAL },
        { "LED: Pad 12",                        8  | CNT_INTVAL },
        { "LED: Pad 13",                        15 | CNT_INTVAL },
        { "LED: Pad 14",                        14 | CNT_INTVAL },
        { "LED: Pad 15",                        13 | CNT_INTVAL },
        { "LED: Pad 16",                        12 | CNT_INTVAL },

        { "LED: Mute",                          16 | CNT_INTVAL },
        { "LED: Solo",                          17 | CNT_INTVAL },
        { "LED: Select",                        18 | CNT_INTVAL },
        { "LED: Duplicate",                     19 | CNT_INTVAL },
        { "LED: Navigate",                      20 | CNT_INTVAL },
        { "LED: Pad Mode",                      21 | CNT_INTVAL },
        { "LED: Pattern",                       22 | CNT_INTVAL },
        { "LED: Scene",                         23 | CNT_INTVAL },

        { "LED: Shift",                         24 | CNT_INTVAL },
        { "LED: Erase",                         25 | CNT_INTVAL },
        { "LED: Grid",                          26 | CNT_INTVAL },
        { "LED: Right Bottom",                  27 | CNT_INTVAL },
        { "LED: Rec",                           28 | CNT_INTVAL },
        { "LED: Play",                          29 | CNT_INTVAL },
        { "LED: Left Bottom",                   32 | CNT_INTVAL },
        { "LED: Restart",                       33 | CNT_INTVAL },

        { "LED: Group A",                       41 | CNT_INTVAL },
        { "LED: Group B",                       40 | CNT_INTVAL },
        { "LED: Group C",                       37 | CNT_INTVAL },
        { "LED: Group D",                       36 | CNT_INTVAL },
        { "LED: Group E",                       39 | CNT_INTVAL },
        { "LED: Group F",                       38 | CNT_INTVAL },
        { "LED: Group G",                       35 | CNT_INTVAL },
        { "LED: Group H",                       34 | CNT_INTVAL },

        { "LED: Auto Write",                    42 | CNT_INTVAL },
        { "LED: Snap",                          43 | CNT_INTVAL },
        { "LED: Right Top",                     44 | CNT_INTVAL },
        { "LED: Left Top",                      45 | CNT_INTVAL },
        { "LED: Sampling",                      46 | CNT_INTVAL },
        { "LED: Browse",                        47 | CNT_INTVAL },
        { "LED: Step",                          48 | CNT_INTVAL },
        { "LED: Control",                       49 | CNT_INTVAL },

        { "LED: Top Button 1",                  57 | CNT_INTVAL },
        { "LED: Top Button 2",                  56 | CNT_INTVAL },
        { "LED: Top Button 3",                  55 | CNT_INTVAL },
        { "LED: Top Button 4",                  54 | CNT_INTVAL },
        { "LED: Top Button 5",                  53 | CNT_INTVAL },
        { "LED: Top Button 6",                  52 | CNT_INTVAL },
        { "LED: Top Button 7",                  51 | CNT_INTVAL },
        { "LED: Top Button 8",                  50 | CNT_INTVAL },

        { "LED: Note Repeat",                   58 | CNT_INTVAL },

        { "Backlight Display",                  59 | CNT_INTVAL }
};

static int add_controls(const struct caiaq_controller *c, int num,
                        struct snd_usb_caiaqdev *cdev)
{
        int i, ret;
        struct snd_kcontrol *kc;

        for (i = 0; i < num; i++, c++) {
                kcontrol_template.name = c->name;
                kcontrol_template.private_value = c->index;
                kc = snd_ctl_new1(&kcontrol_template, cdev);
                ret = snd_ctl_add(cdev->chip.card, kc);
                if (ret < 0)
                        return ret;
        }

        return 0;
}

int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev)
{
        int ret = 0;

        switch (cdev->chip.usb_id) {
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
                ret = add_controls(ak1_controller,
                        ARRAY_SIZE(ak1_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
                ret = add_controls(rk2_controller,
                        ARRAY_SIZE(rk2_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
                ret = add_controls(rk3_controller,
                        ARRAY_SIZE(rk3_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
                ret = add_controls(kore_controller,
                        ARRAY_SIZE(kore_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
                ret = add_controls(a8dj_controller,
                        ARRAY_SIZE(a8dj_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
                ret = add_controls(a4dj_controller,
                        ARRAY_SIZE(a4dj_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
                ret = add_controls(kontrolx1_controller,
                        ARRAY_SIZE(kontrolx1_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
                ret = add_controls(kontrols4_controller,
                        ARRAY_SIZE(kontrols4_controller), cdev);
                break;

        case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
                ret = add_controls(maschine_controller,
                        ARRAY_SIZE(maschine_controller), cdev);
                break;
        }

        return ret;
}