[ALSA] Fix-up sleeping in sound/ppc

PPC AWACS driver,PPC PMAC driver,PPC Tumbler driver
Description: Fix-up sleeping in sound/ppc. Replace big_mdelay() with
msleep() to guarantee the task delays as expected. This also involved
replacing/removing custom sleep functions.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 36c5d5d..b94437c 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -945,7 +945,7 @@
 			check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 				   chip->lineout_sw_ctl);
 		if (mix->anded_reset)
-			big_mdelay(10);
+			msleep(10);
 		check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 			   chip->speaker_sw_ctl);
 		mix->drc_enable = 0;
@@ -954,7 +954,7 @@
 		check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
 			   chip->speaker_sw_ctl);
 		if (mix->anded_reset)
-			big_mdelay(10);
+			msleep(10);
 		check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
 			   chip->master_sw_ctl);
 		if (mix->line_mute.addr != 0)
@@ -1109,22 +1109,22 @@
 		DBG("(I) codec anded reset !\n");
 		write_audio_gpio(&mix->hp_mute, 0);
 		write_audio_gpio(&mix->amp_mute, 0);
-		big_mdelay(200);
+		msleep(200);
 		write_audio_gpio(&mix->hp_mute, 1);
 		write_audio_gpio(&mix->amp_mute, 1);
-		big_mdelay(100);
+		msleep(100);
 		write_audio_gpio(&mix->hp_mute, 0);
 		write_audio_gpio(&mix->amp_mute, 0);
-		big_mdelay(100);
+		msleep(100);
 	} else {
 		DBG("(I) codec normal reset !\n");
 
 		write_audio_gpio(&mix->audio_reset, 0);
-		big_mdelay(200);
+		msleep(200);
 		write_audio_gpio(&mix->audio_reset, 1);
-		big_mdelay(100);
+		msleep(100);
 		write_audio_gpio(&mix->audio_reset, 0);
-		big_mdelay(100);
+		msleep(100);
 	}
 }