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[/] [test_project/] [trunk/] [linux_sd_driver/] [sound/] [drivers/] [vx/] [vx_hwdep.c] - Blame information for rev 62

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Line No. Rev Author Line
1 62 marcus.erl
/*
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 * Driver for Digigram VX soundcards
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 *
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 * DSP firmware management
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 *
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 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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 *
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation; either version 2 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program; if not, write to the Free Software
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 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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 */
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#include <sound/driver.h>
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#include <linux/device.h>
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#include <linux/firmware.h>
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#include <linux/vmalloc.h>
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#include <sound/core.h>
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#include <sound/hwdep.h>
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#include <sound/vx_core.h>
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#ifdef SND_VX_FW_LOADER
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MODULE_FIRMWARE("vx/bx_1_vxp.b56");
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MODULE_FIRMWARE("vx/bx_1_vp4.b56");
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MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
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MODULE_FIRMWARE("vx/x1_2_v22.xlx");
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MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
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MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
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MODULE_FIRMWARE("vx/bd56002.boot");
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MODULE_FIRMWARE("vx/bd563v2.boot");
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MODULE_FIRMWARE("vx/bd563s3.boot");
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MODULE_FIRMWARE("vx/l_1_vx2.d56");
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MODULE_FIRMWARE("vx/l_1_v22.d56");
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MODULE_FIRMWARE("vx/l_1_vxp.d56");
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MODULE_FIRMWARE("vx/l_1_vp4.d56");
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int snd_vx_setup_firmware(struct vx_core *chip)
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{
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        static char *fw_files[VX_TYPE_NUMS][4] = {
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                [VX_TYPE_BOARD] = {
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                        NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
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                },
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                [VX_TYPE_V2] = {
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                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
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                },
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                [VX_TYPE_MIC] = {
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                        NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
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                },
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                [VX_TYPE_VXPOCKET] = {
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                        "bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
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                },
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                [VX_TYPE_VXP440] = {
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                        "bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
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                },
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        };
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        int i, err;
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        for (i = 0; i < 4; i++) {
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                char path[32];
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                const struct firmware *fw;
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                if (! fw_files[chip->type][i])
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                        continue;
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                sprintf(path, "vx/%s", fw_files[chip->type][i]);
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                if (request_firmware(&fw, path, chip->dev)) {
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                        snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
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                        return -ENOENT;
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                }
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                err = chip->ops->load_dsp(chip, i, fw);
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                if (err < 0) {
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                        release_firmware(fw);
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                        return err;
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                }
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                if (i == 1)
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                        chip->chip_status |= VX_STAT_XILINX_LOADED;
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#ifdef CONFIG_PM
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                chip->firmware[i] = fw;
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#else
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                release_firmware(fw);
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#endif
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        }
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        /* ok, we reached to the last one */
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        /* create the devices if not built yet */
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        if ((err = snd_vx_pcm_new(chip)) < 0)
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                return err;
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        if ((err = snd_vx_mixer_new(chip)) < 0)
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                return err;
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        if (chip->ops->add_controls)
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                if ((err = chip->ops->add_controls(chip)) < 0)
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                        return err;
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        chip->chip_status |= VX_STAT_DEVICE_INIT;
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        chip->chip_status |= VX_STAT_CHIP_INIT;
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        return snd_card_register(chip->card);
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}
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/* exported */
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void snd_vx_free_firmware(struct vx_core *chip)
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{
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#ifdef CONFIG_PM
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        int i;
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        for (i = 0; i < 4; i++)
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                release_firmware(chip->firmware[i]);
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#endif
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}
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#else /* old style firmware loading */
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static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file)
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{
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        return 0;
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}
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static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file)
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{
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        return 0;
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}
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static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
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                               struct snd_hwdep_dsp_status *info)
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{
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        static char *type_ids[VX_TYPE_NUMS] = {
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                [VX_TYPE_BOARD] = "vxboard",
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                [VX_TYPE_V2] = "vx222",
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                [VX_TYPE_MIC] = "vx222",
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                [VX_TYPE_VXPOCKET] = "vxpocket",
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                [VX_TYPE_VXP440] = "vxp440",
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        };
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        struct vx_core *vx = hw->private_data;
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        snd_assert(type_ids[vx->type], return -EINVAL);
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        strcpy(info->id, type_ids[vx->type]);
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        if (vx_is_pcmcia(vx))
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                info->num_dsps = 4;
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        else
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                info->num_dsps = 3;
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        if (vx->chip_status & VX_STAT_CHIP_INIT)
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                info->chip_ready = 1;
153
        info->version = VX_DRIVER_VERSION;
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        return 0;
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}
156
 
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static void free_fw(const struct firmware *fw)
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{
159
        if (fw) {
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                vfree(fw->data);
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                kfree(fw);
162
        }
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}
164
 
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static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
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                             struct snd_hwdep_dsp_image *dsp)
167
{
168
        struct vx_core *vx = hw->private_data;
169
        int index, err;
170
        struct firmware *fw;
171
 
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        snd_assert(vx->ops->load_dsp, return -ENXIO);
173
 
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        fw = kmalloc(sizeof(*fw), GFP_KERNEL);
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        if (! fw) {
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                snd_printk(KERN_ERR "cannot allocate firmware\n");
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                return -ENOMEM;
178
        }
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        fw->size = dsp->length;
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        fw->data = vmalloc(fw->size);
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        if (! fw->data) {
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                snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
183
                           (int)fw->size);
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                kfree(fw);
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                return -ENOMEM;
186
        }
187
        if (copy_from_user(fw->data, dsp->image, dsp->length)) {
188
                free_fw(fw);
189
                return -EFAULT;
190
        }
191
 
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        index = dsp->index;
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        if (! vx_is_pcmcia(vx))
194
                index++;
195
        err = vx->ops->load_dsp(vx, index, fw);
196
        if (err < 0) {
197
                free_fw(fw);
198
                return err;
199
        }
200
#ifdef CONFIG_PM
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        vx->firmware[index] = fw;
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#else
203
        free_fw(fw);
204
#endif
205
 
206
        if (index == 1)
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                vx->chip_status |= VX_STAT_XILINX_LOADED;
208
        if (index < 3)
209
                return 0;
210
 
211
        /* ok, we reached to the last one */
212
        /* create the devices if not built yet */
213
        if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
214
                if ((err = snd_vx_pcm_new(vx)) < 0)
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                        return err;
216
 
217
                if ((err = snd_vx_mixer_new(vx)) < 0)
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                        return err;
219
 
220
                if (vx->ops->add_controls)
221
                        if ((err = vx->ops->add_controls(vx)) < 0)
222
                                return err;
223
 
224
                if ((err = snd_card_register(vx->card)) < 0)
225
                        return err;
226
 
227
                vx->chip_status |= VX_STAT_DEVICE_INIT;
228
        }
229
        vx->chip_status |= VX_STAT_CHIP_INIT;
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        return 0;
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}
232
 
233
 
234
/* exported */
235
int snd_vx_setup_firmware(struct vx_core *chip)
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{
237
        int err;
238
        struct snd_hwdep *hw;
239
 
240
        if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
241
                return err;
242
 
243
        hw->iface = SNDRV_HWDEP_IFACE_VX;
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        hw->private_data = chip;
245
        hw->ops.open = vx_hwdep_open;
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        hw->ops.release = vx_hwdep_release;
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        hw->ops.dsp_status = vx_hwdep_dsp_status;
248
        hw->ops.dsp_load = vx_hwdep_dsp_load;
249
        hw->exclusive = 1;
250
        sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
251
        chip->hwdep = hw;
252
 
253
        return snd_card_register(chip->card);
254
}
255
 
256
/* exported */
257
void snd_vx_free_firmware(struct vx_core *chip)
258
{
259
#ifdef CONFIG_PM
260
        int i;
261
        for (i = 0; i < 4; i++)
262
                free_fw(chip->firmware[i]);
263
#endif
264
}
265
 
266
#endif /* SND_VX_FW_LOADER */
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268
EXPORT_SYMBOL(snd_vx_setup_firmware);
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EXPORT_SYMBOL(snd_vx_free_firmware);

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