au1000: build fails if the input layer is not selected

Signed-off-by: John Crispin <[email protected]>

SVN-Revision: 44640

target/linux/au1000/patches/006-codec.patch

@@ -0,0 +1,28 @@
+Index: linux-3.18.8/arch/mips/alchemy/devboards/db1300.c
+===================================================================
+--- linux-3.18.8.orig/arch/mips/alchemy/devboards/db1300.c	2015-02-27 02:49:36.000000000 +0100
++++ linux-3.18.8/arch/mips/alchemy/devboards/db1300.c	2015-03-10 11:36:47.906310432 +0100
+@@ -712,6 +712,7 @@
+ 
+ /**********************************************************************/
+ 
++#ifdef CONFIG_TOUCHSCREEN_WM97XX
+ static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
+ {
+ 	if (enable)
+@@ -744,6 +745,15 @@
+ 	return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
+ }
+ 
++#else
++
++static int db1300_wm97xx_probe(struct platform_device *pdev)
++{
++	return -1;
++}
++
++#endif
++
+ static struct platform_driver db1300_wm97xx_driver = {
+ 	.driver.name	= "wm97xx-touch",
+ 	.driver.owner	= THIS_MODULE,