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Take the interrupt lock in interrupt handler. Seesm to fix the hang I was 

seeing with a portaudio2 application.
Don't unmute at attach time, it will be done when the upper level starts
sending data.
This commit is contained in:
bouyer 2018-04-19 18:19:17 +00:00
parent 6307e12dd0
commit e73dfff6aa
1 changed files with 5 additions and 4 deletions
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9
sys/arch/arm/sunxi/sunxi_codec.c
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@ -1,4 +1,4 @@
/* $NetBSD: sunxi_codec.c,v 1.3 2017/10/07 21:53:16 jmcneill Exp $ */
/* $NetBSD: sunxi_codec.c,v 1.4 2018/04/19 18:19:17 bouyer Exp $ */
/*-
* Copyright (c) 2014-2017 Jared McNeill <jmcneill@invisible.ca>
@ -29,7 +29,7 @@
#include "opt_ddb.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sunxi_codec.c,v 1.3 2017/10/07 21:53:16 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: sunxi_codec.c,v 1.4 2018/04/19 18:19:17 bouyer Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -550,7 +550,9 @@ static void
sunxi_codec_dmaintr(void *priv)
{
struct sunxi_codec_chan * const ch = priv;
struct sunxi_codec_softc * const sc = ch->ch_sc;
mutex_enter(&sc->sc_intr_lock);
ch->ch_cur_phys += ch->ch_blksize;
if (ch->ch_cur_phys >= ch->ch_end_phys)
ch->ch_cur_phys = ch->ch_start_phys;
@ -559,6 +561,7 @@ sunxi_codec_dmaintr(void *priv)
ch->ch_intr(ch->ch_intrarg);
sunxi_codec_transfer(ch);
}
mutex_exit(&sc->sc_intr_lock);
}
static int
@ -688,8 +691,6 @@ sunxi_codec_attach(device_t parent, device_t self, void *aux)
/* Optional PA mute GPIO */
sc->sc_pin_pa = fdtbus_gpio_acquire(phandle, "allwinner,pa-gpios", GPIO_PIN_OUTPUT);
if (sc->sc_pin_pa != NULL)
fdtbus_gpio_write(sc->sc_pin_pa, 1);
aprint_naive("\n");
aprint_normal(": %s\n", sc->sc_cfg->name);