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disable data island packet transmission on Tegra124 HDMI codec

This commit is contained in:
jmcneill 2015-11-15 23:03:50 +00:00
parent 3bf079f55c
commit a85a846423
1 changed files with 7 additions and 2 deletions
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9
sys/dev/hdaudio/hdafg.c
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@ -1,4 +1,4 @@
/* $NetBSD: hdafg.c,v 1.8 2015/11/04 21:04:11 christos Exp $ */
/* $NetBSD: hdafg.c,v 1.9 2015/11/15 23:03:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.8 2015/11/04 21:04:11 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.9 2015/11/15 23:03:50 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -329,6 +329,7 @@ struct hdafg_softc {
struct hdaudio_audiodev sc_audiodev;
uint16_t sc_fixed_rate;
bool sc_disable_dip;
};
static int hdafg_match(device_t, cfdata_t, void *);
@ -3112,6 +3113,9 @@ hdafg_stream_connect_hdmi(struct hdafg_softc *sc, struct hdaudio_assoc *as,
hdaudio_command(sc->sc_codec, w->w_nid,
CORB_SET_HDMI_DIP_XMIT_CTRL, COP_DIP_XMIT_CTRL_DISABLE);
if (sc->sc_disable_dip)
return;
/* build new infoframe */
if (as->as_digital == HDAFG_AS_HDMI) {
dip = (uint8_t *)&hdmi;
@ -3696,6 +3700,7 @@ hdafg_attach(device_t parent, device_t self, void *opaque)
switch (sc->sc_product) {
case HDAUDIO_PRODUCT_NVIDIA_TEGRA124_HDMI:
sc->sc_fixed_rate = 44100;
sc->sc_disable_dip = true;
break;
}
break;