linux-2.6.33/snd_pcm_dev_register() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-2.6.33/snd_pcm_dev_register() へ行く。
• linux-2.6.33/snd_pcm_dev_register() の差分を削除

*参照元 [#h693e29b]
#backlinks

*説明 [#a6eb4ea2]
-パス: [[linux-2.6.33/sound/core/pcm.c]]

-FIXME: これは何？
--説明


**引数 [#r4766fda]
-struct snd_device *device
--
--[[linux-2.6.33/snd_device]]


**返り値 [#w4dceb76]
-int
--


**参考 [#i53c7c77]


*実装 [#addc4075]
 static int snd_pcm_dev_register(struct snd_device *device)
 {
 	int cidx, err;
 	struct snd_pcm_substream *substream;
 	struct snd_pcm_notify *notify;
 	char str[16];
 	struct snd_pcm *pcm;
 	struct device *dev;
 
-
--[[linux-2.6.33/snd_pcm_substream]]
-
--[[linux-2.6.33/snd_pcm_notify]]
-
--[[linux-2.6.33/snd_pcm]]
-
--[[linux-2.6.33/device]]

 	if (snd_BUG_ON(!device || !device->device_data))
 		return -ENXIO;
-
--[[linux-2.6.33/snd_BUG_ON()]]

 	pcm = device->device_data;
 	mutex_lock(&register_mutex);
-
--[[linux-2.6.33/mutex_lock()]]
-
--[[linux-2.6.33/register_mutex(global)]]

 	err = snd_pcm_add(pcm);
 	if (err) {
 		mutex_unlock(&register_mutex);
 		return err;
 	}
-
--[[linux-2.6.33/snd_pcm_add()]]
-
--[[linux-2.6.33/mutex_unlock()]]

 	for (cidx = 0; cidx < 2; cidx++) {
 		int devtype = -1;
 		if (pcm->streams[cidx].substream == NULL)
 			continue;
 		switch (cidx) {
 		case SNDRV_PCM_STREAM_PLAYBACK:
-
--[[linux-2.6.33/SNDRV_PCM_STREAM_PLAYBACK]]

 			sprintf(str, "pcmC%iD%ip", pcm->card->number, pcm->device);
 			devtype = SNDRV_DEVICE_TYPE_PCM_PLAYBACK;
 			break;
-
--[[linux-2.6.33/SNDRV_DEVICE_TYPE_PCM_PLAYBACK]]

 		case SNDRV_PCM_STREAM_CAPTURE:
-
--[[linux-2.6.33/SNDRV_PCM_STREAM_CAPTURE]]

 			sprintf(str, "pcmC%iD%ic", pcm->card->number, pcm->device);
 			devtype = SNDRV_DEVICE_TYPE_PCM_CAPTURE;
 			break;
-
--[[linux-2.6.33/SNDRV_DEVICE_TYPE_PCM_CAPTURE]]

 		}
 		/* device pointer to use, pcm->dev takes precedence if
 		 * it is assigned, otherwise fall back to card's device
 		 * if possible */
 		dev = pcm->dev;
 		if (!dev)
 			dev = snd_card_get_device_link(pcm->card);
-
--[[linux-2.6.33/snd_card_get_device_link()]]

 		/* register pcm */
 		err = snd_register_device_for_dev(devtype, pcm->card,
 						  pcm->device,
 						  &snd_pcm_f_ops[cidx],
 						  pcm, str, dev);
 		if (err < 0) {
 			list_del(&pcm->list);
 			mutex_unlock(&register_mutex);
 			return err;
 		}
-
--[[linux-2.6.33/snd_register_device_for_dev()]]
-
--[[linux-2.6.33/snd_pcm_f_ops(global)]]
-
--[[linux-2.6.33/list_del()]]

 		snd_add_device_sysfs_file(devtype, pcm->card, pcm->device,
 					  &pcm_attrs);
-
--[[linux-2.6.33/snd_add_device_sysfs_file()]]
-
--[[linux-2.6.33/pcm_attrs(global)]]

 		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
 			snd_pcm_timer_init(substream);
-
--[[linux-2.6.33/snd_pcm_timer_init()]]

 	}
 
 	list_for_each_entry(notify, &snd_pcm_notify_list, list)
 		notify->n_register(pcm);
 
-
--[[linux-2.6.33/list_for_each_entry()]]
-
--[[linux-2.6.33/snd_pcm_notify_list(global)]]

 	mutex_unlock(&register_mutex);
 	return 0;
 }


*コメント [#i2aa92c2]