44 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_llseek()  local
45 	if (hw->ops.llseek)  in snd_hwdep_llseek()
46 		return hw->ops.llseek(hw, file, offset, orig);  in snd_hwdep_llseek()
53 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_read()  local
54 	if (hw->ops.read)  in snd_hwdep_read()
55 		return hw->ops.read(hw, buf, count, offset);  in snd_hwdep_read()
62 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_write()  local
63 	if (hw->ops.write)  in snd_hwdep_write()
64 		return hw->ops.write(hw, buf, count, offset);  in snd_hwdep_write()
71 	struct snd_hwdep *hw;  in snd_hwdep_open()  local
76 		hw = snd_lookup_minor_data(iminor(inode),  in snd_hwdep_open()
80 		hw = snd_lookup_oss_minor_data(iminor(inode),  in snd_hwdep_open()
85 	if (hw == NULL)  in snd_hwdep_open()
88 	if (!try_module_get(hw->card->module)) {  in snd_hwdep_open()
89 		snd_card_unref(hw->card);  in snd_hwdep_open()
94 	add_wait_queue(&hw->open_wait, &wait);  in snd_hwdep_open()
95 	mutex_lock(&hw->open_mutex);  in snd_hwdep_open()
97 		if (hw->exclusive && hw->used > 0) {  in snd_hwdep_open()
101 		if (!hw->ops.open) {  in snd_hwdep_open()
105 		err = hw->ops.open(hw, file);  in snd_hwdep_open()
116 		mutex_unlock(&hw->open_mutex);  in snd_hwdep_open()
118 		mutex_lock(&hw->open_mutex);  in snd_hwdep_open()
119 		if (hw->card->shutdown) {  in snd_hwdep_open()
128 	remove_wait_queue(&hw->open_wait, &wait);  in snd_hwdep_open()
130 		err = snd_card_file_add(hw->card, file);  in snd_hwdep_open()
132 			file->private_data = hw;  in snd_hwdep_open()
133 			hw->used++;  in snd_hwdep_open()
135 			if (hw->ops.release)  in snd_hwdep_open()
136 				hw->ops.release(hw, file);  in snd_hwdep_open()
139 	mutex_unlock(&hw->open_mutex);  in snd_hwdep_open()
141 		module_put(hw->card->module);  in snd_hwdep_open()
142 	snd_card_unref(hw->card);  in snd_hwdep_open()
149 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_release()  local
150 	struct module *mod = hw->card->module;  in snd_hwdep_release()
152 	mutex_lock(&hw->open_mutex);  in snd_hwdep_release()
153 	if (hw->ops.release)  in snd_hwdep_release()
154 		err = hw->ops.release(hw, file);  in snd_hwdep_release()
155 	if (hw->used > 0)  in snd_hwdep_release()
156 		hw->used--;  in snd_hwdep_release()
157 	mutex_unlock(&hw->open_mutex);  in snd_hwdep_release()
158 	wake_up(&hw->open_wait);  in snd_hwdep_release()
160 	snd_card_file_remove(hw->card, file);  in snd_hwdep_release()
167 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_poll()  local
168 	if (hw->ops.poll)  in snd_hwdep_poll()
169 		return hw->ops.poll(hw, file, wait);  in snd_hwdep_poll()
173 static int snd_hwdep_info(struct snd_hwdep *hw,  in snd_hwdep_info()  argument
179 	info.card = hw->card->number;  in snd_hwdep_info()
180 	strscpy(info.id, hw->id, sizeof(info.id));  in snd_hwdep_info()
181 	strscpy(info.name, hw->name, sizeof(info.name));  in snd_hwdep_info()
182 	info.iface = hw->iface;  in snd_hwdep_info()
188 static int snd_hwdep_dsp_status(struct snd_hwdep *hw,  in snd_hwdep_dsp_status()  argument
194 	if (! hw->ops.dsp_status)  in snd_hwdep_dsp_status()
197 	info.dsp_loaded = hw->dsp_loaded;  in snd_hwdep_dsp_status()
198 	err = hw->ops.dsp_status(hw, &info);  in snd_hwdep_dsp_status()
206 static int snd_hwdep_dsp_load(struct snd_hwdep *hw,  in snd_hwdep_dsp_load()  argument
211 	if (! hw->ops.dsp_load)  in snd_hwdep_dsp_load()
216 	if (hw->dsp_loaded & (1u << info->index))  in snd_hwdep_dsp_load()
218 	err = hw->ops.dsp_load(hw, info);  in snd_hwdep_dsp_load()
221 	hw->dsp_loaded |= (1u << info->index);  in snd_hwdep_dsp_load()
225 static int snd_hwdep_dsp_load_user(struct snd_hwdep *hw,  in snd_hwdep_dsp_load_user()  argument
232 	return snd_hwdep_dsp_load(hw, &info);  in snd_hwdep_dsp_load_user()
239 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_ioctl()  local
245 		return snd_hwdep_info(hw, argp);  in snd_hwdep_ioctl()
247 		return snd_hwdep_dsp_status(hw, argp);  in snd_hwdep_ioctl()
249 		return snd_hwdep_dsp_load_user(hw, argp);  in snd_hwdep_ioctl()
251 	if (hw->ops.ioctl)  in snd_hwdep_ioctl()
252 		return hw->ops.ioctl(hw, file, cmd, arg);  in snd_hwdep_ioctl()
258 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_mmap()  local
259 	if (hw->ops.mmap)  in snd_hwdep_mmap()
260 		return hw->ops.mmap(hw, file, vma);  in snd_hwdep_mmap()