[1543] | 1 | //driver_sndio.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #include "roard.h" |
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| 26 | #ifdef ROAR_HAVE_LIBSNDIO |
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| 27 | |
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[1547] | 28 | int driver_sndio_init_vio(struct roar_vio_calls * vio, struct driver_sndio * inst) { |
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| 29 | if ( vio == NULL ) |
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| 30 | return -1; |
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| 31 | |
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| 32 | memset(vio, 0, sizeof(struct roar_vio_calls)); |
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| 33 | |
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| 34 | vio->close = driver_sndio_close_vio; |
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| 35 | vio->write = driver_sndio_write; |
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| 36 | vio->sync = driver_sndio_sync; |
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| 37 | vio->ctl = driver_sndio_ctl; |
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| 38 | |
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| 39 | vio->inst = (void*) inst; |
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| 40 | |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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| 44 | #define er() if ( self->handle ) sio_close(self->handle); if ( self->device ) free(self->device); free(self); return -1 |
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[1543] | 45 | int driver_sndio_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh) { |
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[1547] | 46 | struct driver_sndio * self = NULL; |
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| 47 | |
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| 48 | if ( (self = malloc(sizeof(struct driver_sndio))) == NULL ) { |
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| 49 | ROAR_ERR("driver_sndio_open(*): Can not malloc() instance data: %s", strerror(errno)); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | |
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| 53 | memset(self, 0, sizeof(struct driver_sndio)); |
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| 54 | memcpy(&(self->info), info, sizeof(struct roar_audio_info)); |
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| 55 | |
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| 56 | self->ssid = -1; |
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| 57 | |
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| 58 | if ( device != NULL ) |
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| 59 | self->device = strdup(device); |
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| 60 | |
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| 61 | if ( driver_sndio_init_vio(inst, self) == -1 ) { |
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| 62 | ROAR_ERR("driver_sndio_open(*): Can not init vio interface"); |
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| 63 | er(); |
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| 64 | } |
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| 65 | |
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| 66 | if ( driver_sndio_open_device(self) == -1 ) { |
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| 67 | ROAR_ERR("driver_sndio_open(*): Can not open audio device"); |
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| 68 | er(); |
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| 69 | } |
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| 70 | |
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| 71 | ROAR_DBG("driver_sndio_open(*): OSS devices opened :)"); |
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| 72 | |
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| 73 | return 0; |
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| 74 | } |
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| 75 | #undef er |
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| 76 | |
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| 77 | int driver_sndio_close_vio (struct roar_vio_calls * vio) { |
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| 78 | struct driver_sndio * self = vio->inst; |
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| 79 | |
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| 80 | if ( self->handle != NULL ) |
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| 81 | sio_close(self->handle); |
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| 82 | |
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| 83 | if ( self->device != NULL ) |
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| 84 | free(self->device); |
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| 85 | |
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| 86 | free(self); |
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| 87 | |
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| 88 | return 0; |
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| 89 | } |
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| 90 | |
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| 91 | int driver_sndio_open_device (struct driver_sndio * self) { |
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| 92 | |
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| 93 | if ( (self->handle = sio_open(self->device, SIO_PLAY, 0)) == NULL ) { |
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| 94 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio audio device"); |
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| 95 | return -1; |
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| 96 | } |
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| 97 | |
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[1549] | 98 | self->need_config = 1; |
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| 99 | |
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[1547] | 100 | return 0; |
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| 101 | } |
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| 102 | |
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| 103 | int driver_sndio_config_device(struct driver_sndio * self) { |
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| 104 | struct sio_par par; |
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| 105 | |
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| 106 | sio_initpar(&par); |
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| 107 | |
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| 108 | par.bits = self->info.bits; |
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| 109 | par.rate = self->info.rate; |
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| 110 | par.pchan = self->info.channels; |
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| 111 | |
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| 112 | switch (self->info.codec) { |
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| 113 | case ROAR_CODEC_PCM_S_LE: |
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| 114 | par.le = 1; |
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| 115 | par.sig = 1; |
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| 116 | break; |
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| 117 | case ROAR_CODEC_PCM_S_BE: |
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| 118 | par.le = 0; |
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| 119 | par.sig = 1; |
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| 120 | break; |
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| 121 | case ROAR_CODEC_PCM_U_LE: |
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| 122 | par.le = 1; |
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| 123 | par.sig = 0; |
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| 124 | break; |
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| 125 | case ROAR_CODEC_PCM_U_BE: |
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| 126 | par.le = 0; |
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| 127 | par.sig = 0; |
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| 128 | break; |
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| 129 | default: |
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| 130 | return -1; |
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| 131 | break; |
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| 132 | } |
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| 133 | |
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[1548] | 134 | if ( sio_setpar(self->handle, &par) != 0 ) |
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| 135 | return -1; |
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| 136 | |
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| 137 | if ( sio_start(self->handle) != 0 ) |
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| 138 | return -1; |
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| 139 | |
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[1543] | 140 | return -1; |
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| 141 | } |
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| 142 | |
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[1549] | 143 | int driver_sndio_reopen_device(struct driver_sndio * self) { |
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| 144 | return -1; |
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| 145 | } |
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| 146 | |
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| 147 | ssize_t driver_sndio_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 148 | struct driver_sndio * self = vio->inst; |
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| 149 | |
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| 150 | if ( self->need_config ) { |
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| 151 | if ( driver_sndio_config_device(vio->inst) == -1 ) { |
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| 152 | return -1; |
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| 153 | } |
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| 154 | } |
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| 155 | |
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| 156 | return sio_write(self->handle, buf, count); |
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| 157 | } |
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| 158 | |
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| 159 | int driver_sndio_sync (struct roar_vio_calls * vio) { |
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| 160 | return -1; |
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| 161 | } |
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| 162 | |
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| 163 | #define data(x) x: if ( data == NULL ) return -1; |
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| 164 | #define no_data(x) x: if ( data != NULL ) return -1; |
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[1547] | 165 | |
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| 166 | int driver_sndio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[1549] | 167 | struct driver_sndio * self = vio->inst; |
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| 168 | |
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[1547] | 169 | switch (cmd) { |
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[1549] | 170 | case data(ROAR_VIO_CTL_SET_SSTREAMID) |
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| 171 | self->ssid = *(int *)data; |
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| 172 | break; |
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| 173 | case data(ROAR_VIO_CTL_SET_SSTREAM) |
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| 174 | self->stream = data; |
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| 175 | break; |
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| 176 | case data(ROAR_VIO_CTL_GET_AUINFO) |
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| 177 | memcpy(data, &(self->info), sizeof(struct roar_audio_info)); |
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| 178 | break; |
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| 179 | case data(ROAR_VIO_CTL_SET_AUINFO) |
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| 180 | memcpy(&(self->info), data, sizeof(struct roar_audio_info)); |
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| 181 | return driver_sndio_reopen_device(self); |
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| 182 | break; |
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| 183 | default: |
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| 184 | return -1; |
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| 185 | break; |
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[1547] | 186 | } |
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| 187 | |
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| 188 | return 0; |
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| 189 | } |
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| 190 | |
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[1543] | 191 | #endif |
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| 192 | |
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| 193 | //ll |
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