[src/trunk]: src/sys/arch/arm/allwinner seems I have to enable ADC PA for sou...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0ff5ba4b4de3
branches:  trunk
changeset: 332085:0ff5ba4b4de3
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Sep 06 16:47:03 2014 +0000

description:
seems I have to enable ADC PA for sound to come out

diffstat:

 sys/arch/arm/allwinner/awin_ac.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (37 lines):

diff -r 26ae5d7d704d -r 0ff5ba4b4de3 sys/arch/arm/allwinner/awin_ac.c
--- a/sys/arch/arm/allwinner/awin_ac.c  Sat Sep 06 14:53:41 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_ac.c  Sat Sep 06 16:47:03 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_ac.c,v 1.6 2014/09/06 14:53:41 jmcneill Exp $ */
+/* $NetBSD: awin_ac.c,v 1.7 2014/09/06 16:47:03 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -30,7 +30,7 @@
 #include "opt_ddb.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.6 2014/09/06 14:53:41 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.7 2014/09/06 16:47:03 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -117,6 +117,7 @@
 #define AC_ADC_FIFOS           0x20
 #define AC_ADC_RXDATA          0x24
 #define AC_ADC_ACTL            0x28
+#define  ADC_ACTL_PA_EN                __BIT(4)
 #define AC_DAC_CNT             0x30
 #define AC_ADC_CNT             0x34
 #define AC_DAC_CAL             0x38
@@ -372,6 +373,10 @@
        val |= __SHIFTIN(AWINAC_INIT_VOL, DAC_ACTL_PAVOL);
        AC_WRITE(sc, AC_DAC_ACTL, val);
 
+       val = AC_READ(sc, AC_ADC_ACTL);
+       val |= ADC_ACTL_PA_EN;
+       AC_WRITE(sc, AC_ADC_ACTL, val);
+
        val = AC_READ(sc, AC_DAC_FIFOC);
        val &= ~DAC_FIFOC_IRQ_EN;
        val &= ~DAC_FIFOC_DRQ_EN;