[ALSA] Remove unneeded read/write_size fields in proc text ops

Remove unneeded read/write_size fields in proc text ops.
snd_info_set_text_ops() is fixed, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index b3c94d8..8c150ea 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -1184,7 +1184,7 @@
 	struct snd_info_entry *entry;
 
 	if (! snd_card_proc_new(chip->card, "cs4281", &entry))
-		snd_info_set_text_ops(entry, chip, 1024, snd_cs4281_proc_read);
+		snd_info_set_text_ops(entry, chip, snd_cs4281_proc_read);
 	if (! snd_card_proc_new(chip->card, "cs4281_BA0", &entry)) {
 		entry->content = SNDRV_INFO_CONTENT_DATA;
 		entry->private_data = chip;