[Hackndev-commit] SF.net SVN: hackndev: [635] linux4palm/linux/trunk/sound/arm/pxa2xx-ac97.c

[<cri...@us...>]

Revision: 635
          http://svn.sourceforge.net/hackndev/?rev=635&view=rev
Author:   cristianop
Date:     2006-10-18 22:44:21 -0700 (Wed, 18 Oct 2006)

Log Message:
-----------
palmtx: re-applying pxa2xx-ac97 reg 0x54 patch

Modified Paths:
--------------
    linux4palm/linux/trunk/sound/arm/pxa2xx-ac97.c

Modified: linux4palm/linux/trunk/sound/arm/pxa2xx-ac97.c
===================================================================
--- linux4palm/linux/trunk/sound/arm/pxa2xx-ac97.c	2006-10-19 05:29:19 UTC (rev 634)
+++ linux4palm/linux/trunk/sound/arm/pxa2xx-ac97.c	2006-10-19 05:44:21 UTC (rev 635)
@@ -115,11 +115,22 @@
 	GSR = GSR_CDONE | GSR_SDONE;
 	gsr_bits = 0;
 	*reg_addr = val;
+//#ifdef CONFIG_PXA27x
+#ifdef CONFIG_MACH_PALMTX
+	// recommended procedure for reg 0x54 (see PXA27x Specification Update: 28007109.pdf sec.: E54)
+	if (reg == AC97_GPIO_STATUS){
+		udelay(50);
+	}
+	else {
+#endif
 	if (wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1) <= 0 &&
 	    !((GSR | gsr_bits) & GSR_CDONE))
 		printk(KERN_ERR "%s: write error (ac97_reg=%d GSR=%#lx)\n",
 				__FUNCTION__, reg, GSR | gsr_bits);
-
+//#ifdef CONFIG_PXA27x
+#ifdef CONFIG_MACH_PALMTX
+	}
+#endif
 	mutex_unlock(&car_mutex);
 }
 


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