ALSA: wss_lib: use wss pcm code instead of ad1848 one

Use the wss pcm code and kill the ad1848 pcm code.

The AD1848 chip is much slower than CS4231 chips
so the waiting loop was increased 100x (10x is not
enough).

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Reviewed-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/include/sound/wss.h b/include/sound/wss.h
index c896f6e..fd01f22 100644
--- a/include/sound/wss.h
+++ b/include/sound/wss.h
@@ -71,6 +71,11 @@
 #define WSS_HWSHARE_DMA1	(1<<1)
 #define WSS_HWSHARE_DMA2	(1<<2)
 
+/* IBM Thinkpad specific stuff */
+#define AD1848_THINKPAD_CTL_PORT1		0x15e8
+#define AD1848_THINKPAD_CTL_PORT2		0x15e9
+#define AD1848_THINKPAD_CS4248_ENABLE_BIT	0x02
+
 struct snd_wss {
 	unsigned long port;		/* base i/o port */
 	struct resource *res_port;
@@ -153,6 +158,8 @@
 int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer);
 int snd_wss_mixer(struct snd_wss *chip);
 
+const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction);
+
 int snd_cs4236_create(struct snd_card *card,
 		      unsigned long port,
 		      unsigned long cport,