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Commit 07acecc1 authored by David Henningsson's avatar David Henningsson Committed by Takashi Iwai
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ALSA: HDA: Add jack detection for HDMI 



Just as for headphones and microphone jacks, this patch adds reporting
of HDMI jack status through the input layer.

Signed-off-by: default avatarDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b896b4eb

sound/pci/hda/hda_codec.c

+2 −0
Original line number Diff line number Diff line
@@ -5055,6 +5055,8 @@ static const char *get_jack_default_name(struct hda_codec *codec, hda_nid_t nid, 
		return "Line-out";

	case SND_JACK_HEADSET:

		return "Headset";

	case SND_JACK_VIDEOOUT:

		return "HDMI/DP";

	default:

		return "Misc";

	}

sound/pci/hda/patch_hdmi.c

+11 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <linux/slab.h>

#include <linux/moduleparam.h>

#include <sound/core.h>

#include <sound/jack.h>

#include "hda_codec.h"

#include "hda_local.h"
@@ -720,6 +721,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) 
				  &spec->sink_eld[index]);

		/* TODO: do real things about ELD */

	}



	snd_hda_input_jack_report(codec, tag);

}



static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
@@ -912,6 +915,7 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, 
static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)

{

	struct hdmi_spec *spec = codec->spec;

	int err;



	if (spec->num_pins >= MAX_HDMI_PINS) {

		snd_printk(KERN_WARNING
@@ -919,6 +923,12 @@ static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) 
		return -E2BIG;

	}



	err = snd_hda_input_jack_add(codec, pin_nid,

				     SND_JACK_VIDEOOUT, NULL);

	if (err < 0)

		return err;

	snd_hda_input_jack_report(codec, pin_nid);



	hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);



	spec->pin[spec->num_pins] = pin_nid;
@@ -1120,6 +1130,7 @@ static void generic_hdmi_free(struct hda_codec *codec) 


	for (i = 0; i < spec->num_pins; i++)

		snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);

	snd_hda_input_jack_free(codec);



	kfree(spec);

}