59 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_llseek()  local
60 	if (hw->ops.llseek)  in snd_hwdep_llseek()
61 		return hw->ops.llseek(hw, file, offset, orig);  in snd_hwdep_llseek()
68 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_read()  local
69 	if (hw->ops.read)  in snd_hwdep_read()
70 		return hw->ops.read(hw, buf, count, offset);  in snd_hwdep_read()
77 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_write()  local
78 	if (hw->ops.write)  in snd_hwdep_write()
79 		return hw->ops.write(hw, buf, count, offset);  in snd_hwdep_write()
86 	struct snd_hwdep *hw;  in snd_hwdep_open()  local
91 		hw = snd_lookup_minor_data(iminor(inode),  in snd_hwdep_open()
95 		hw = snd_lookup_oss_minor_data(iminor(inode),  in snd_hwdep_open()
100 	if (hw == NULL)  in snd_hwdep_open()
103 	if (!try_module_get(hw->card->module)) {  in snd_hwdep_open()
104 		snd_card_unref(hw->card);  in snd_hwdep_open()
109 	add_wait_queue(&hw->open_wait, &wait);  in snd_hwdep_open()
110 	mutex_lock(&hw->open_mutex);  in snd_hwdep_open()
112 		if (hw->exclusive && hw->used > 0) {  in snd_hwdep_open()
116 		if (!hw->ops.open) {  in snd_hwdep_open()
120 		err = hw->ops.open(hw, file);  in snd_hwdep_open()
131 		mutex_unlock(&hw->open_mutex);  in snd_hwdep_open()
133 		mutex_lock(&hw->open_mutex);  in snd_hwdep_open()
134 		if (hw->card->shutdown) {  in snd_hwdep_open()
143 	remove_wait_queue(&hw->open_wait, &wait);  in snd_hwdep_open()
145 		err = snd_card_file_add(hw->card, file);  in snd_hwdep_open()
147 			file->private_data = hw;  in snd_hwdep_open()
148 			hw->used++;  in snd_hwdep_open()
150 			if (hw->ops.release)  in snd_hwdep_open()
151 				hw->ops.release(hw, file);  in snd_hwdep_open()
154 	mutex_unlock(&hw->open_mutex);  in snd_hwdep_open()
156 		module_put(hw->card->module);  in snd_hwdep_open()
157 	snd_card_unref(hw->card);  in snd_hwdep_open()
164 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_release()  local
165 	struct module *mod = hw->card->module;  in snd_hwdep_release()
167 	mutex_lock(&hw->open_mutex);  in snd_hwdep_release()
168 	if (hw->ops.release)  in snd_hwdep_release()
169 		err = hw->ops.release(hw, file);  in snd_hwdep_release()
170 	if (hw->used > 0)  in snd_hwdep_release()
171 		hw->used--;  in snd_hwdep_release()
172 	mutex_unlock(&hw->open_mutex);  in snd_hwdep_release()
173 	wake_up(&hw->open_wait);  in snd_hwdep_release()
175 	snd_card_file_remove(hw->card, file);  in snd_hwdep_release()
182 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_poll()  local
183 	if (hw->ops.poll)  in snd_hwdep_poll()
184 		return hw->ops.poll(hw, file, wait);  in snd_hwdep_poll()
188 static int snd_hwdep_info(struct snd_hwdep *hw,  in snd_hwdep_info()  argument
194 	info.card = hw->card->number;  in snd_hwdep_info()
195 	strlcpy(info.id, hw->id, sizeof(info.id));	  in snd_hwdep_info()
196 	strlcpy(info.name, hw->name, sizeof(info.name));  in snd_hwdep_info()
197 	info.iface = hw->iface;  in snd_hwdep_info()
203 static int snd_hwdep_dsp_status(struct snd_hwdep *hw,  in snd_hwdep_dsp_status()  argument
209 	if (! hw->ops.dsp_status)  in snd_hwdep_dsp_status()
212 	info.dsp_loaded = hw->dsp_loaded;  in snd_hwdep_dsp_status()
213 	if ((err = hw->ops.dsp_status(hw, &info)) < 0)  in snd_hwdep_dsp_status()
220 static int snd_hwdep_dsp_load(struct snd_hwdep *hw,  in snd_hwdep_dsp_load()  argument
226 	if (! hw->ops.dsp_load)  in snd_hwdep_dsp_load()
232 	if (hw->dsp_loaded & (1 << info.index))  in snd_hwdep_dsp_load()
236 	err = hw->ops.dsp_load(hw, &info);  in snd_hwdep_dsp_load()
239 	hw->dsp_loaded |= (1 << info.index);  in snd_hwdep_dsp_load()
246 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_ioctl()  local
252 		return snd_hwdep_info(hw, argp);  in snd_hwdep_ioctl()
254 		return snd_hwdep_dsp_status(hw, argp);  in snd_hwdep_ioctl()
256 		return snd_hwdep_dsp_load(hw, argp);  in snd_hwdep_ioctl()
258 	if (hw->ops.ioctl)  in snd_hwdep_ioctl()
259 		return hw->ops.ioctl(hw, file, cmd, arg);  in snd_hwdep_ioctl()
265 	struct snd_hwdep *hw = file->private_data;  in snd_hwdep_mmap()  local
266 	if (hw->ops.mmap)  in snd_hwdep_mmap()
267 		return hw->ops.mmap(hw, file, vma);  in snd_hwdep_mmap()