Date: Tue, 24 Jan 2012 17:31:27 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r230511 - head/sys/dev/sound/pci/hda Message-ID: <201201241731.q0OHVRKd085011@svn.freebsd.org>
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Author: mav Date: Tue Jan 24 17:31:27 2012 New Revision: 230511 URL: http://svn.freebsd.org/changeset/base/230511 Log: Enable High Bit Rate (HBR) Encoded Packet Type (EPT), if supported (HDMI and HBR bits set) and needed (AC3 format used with 8 channels). This should allow DTS-HD/TrueHD pass-through with rates above 6.144Mbps. MFC after: 2 months Sponsored by: iXsystems, Inc. Modified: head/sys/dev/sound/pci/hda/hdaa.c Modified: head/sys/dev/sound/pci/hda/hdaa.c ============================================================================== --- head/sys/dev/sound/pci/hda/hdaa.c Tue Jan 24 15:20:31 2012 (r230510) +++ head/sys/dev/sound/pci/hda/hdaa.c Tue Jan 24 17:31:27 2012 (r230511) @@ -1506,6 +1506,21 @@ hdaa_audio_setup(struct hdaa_chan *ch) >> (k * 4)) & 0xf) << 4) | k)); } + /* + * Enable High Bit Rate (HBR) Encoded Packet Type + * (EPT), if supported and needed (8ch data). + */ + if (HDA_PARAM_PIN_CAP_HDMI(wp->wclass.pin.cap) && + HDA_PARAM_PIN_CAP_HBR(wp->wclass.pin.cap)) { + wp->wclass.pin.ctrl &= + ~HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK; + if ((ch->fmt & AFMT_AC3) && (cchn == 8)) + wp->wclass.pin.ctrl |= 0x03; + hda_command(ch->devinfo->dev, + HDA_CMD_SET_PIN_WIDGET_CTRL(0, nid, + wp->wclass.pin.ctrl)); + } + /* Stop audio infoframe transmission. */ hda_command(ch->devinfo->dev, HDA_CMD_SET_HDMI_DIP_INDEX(0, nid, 0x00));
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