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Commit ac2e8736 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add PCM capture hook to hda_gen_spec 



Not only PCM playback, a hook for PCM capture would be required for
power controls in codec drivers.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0ffd534e

sound/pci/hda/hda_generic.c

+63 −0
Original line number Diff line number Diff line
@@ -3815,6 +3815,16 @@ static void call_pcm_playback_hook(struct hda_pcm_stream *hinfo, 
		spec->pcm_playback_hook(hinfo, codec, substream, action);

}



static void call_pcm_capture_hook(struct hda_pcm_stream *hinfo,

				  struct hda_codec *codec,

				  struct snd_pcm_substream *substream,

				  int action)

{

	struct hda_gen_spec *spec = codec->spec;

	if (spec->pcm_capture_hook)

		spec->pcm_capture_hook(hinfo, codec, substream, action);

}



/*

 * Analog playback callbacks

 */
@@ -3882,6 +3892,44 @@ static int playback_pcm_close(struct hda_pcm_stream *hinfo, 
	return 0;

}



static int capture_pcm_open(struct hda_pcm_stream *hinfo,

			    struct hda_codec *codec,

			    struct snd_pcm_substream *substream)

{

	call_pcm_capture_hook(hinfo, codec, substream, HDA_GEN_PCM_ACT_OPEN);

	return 0;

}



static int capture_pcm_prepare(struct hda_pcm_stream *hinfo,

			       struct hda_codec *codec,

			       unsigned int stream_tag,

			       unsigned int format,

			       struct snd_pcm_substream *substream)

{

	snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);

	call_pcm_capture_hook(hinfo, codec, substream,

			      HDA_GEN_PCM_ACT_PREPARE);

	return 0;

}



static int capture_pcm_cleanup(struct hda_pcm_stream *hinfo,

			       struct hda_codec *codec,

			       struct snd_pcm_substream *substream)

{

	snd_hda_codec_cleanup_stream(codec, hinfo->nid);

	call_pcm_capture_hook(hinfo, codec, substream,

			      HDA_GEN_PCM_ACT_CLEANUP);

	return 0;

}



static int capture_pcm_close(struct hda_pcm_stream *hinfo,

			     struct hda_codec *codec,

			     struct snd_pcm_substream *substream)

{

	call_pcm_capture_hook(hinfo, codec, substream, HDA_GEN_PCM_ACT_CLOSE);

	return 0;

}



static int alt_playback_pcm_open(struct hda_pcm_stream *hinfo,

				 struct hda_codec *codec,

				 struct snd_pcm_substream *substream)
@@ -3976,6 +4024,9 @@ static int dig_playback_pcm_close(struct hda_pcm_stream *hinfo, 
/*

 * Analog capture

 */

#define alt_capture_pcm_open	capture_pcm_open

#define alt_capture_pcm_close	capture_pcm_close



static int alt_capture_pcm_prepare(struct hda_pcm_stream *hinfo,

				   struct hda_codec *codec,

				   unsigned int stream_tag,
@@ -3986,6 +4037,8 @@ static int alt_capture_pcm_prepare(struct hda_pcm_stream *hinfo, 


	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number + 1],

				   stream_tag, 0, format);

	call_pcm_capture_hook(hinfo, codec, substream,

			      HDA_GEN_PCM_ACT_PREPARE);

	return 0;

}
@@ -3997,6 +4050,8 @@ static int alt_capture_pcm_cleanup(struct hda_pcm_stream *hinfo, 


	snd_hda_codec_cleanup_stream(codec,

				     spec->adc_nids[substream->number + 1]);

	call_pcm_capture_hook(hinfo, codec, substream,

			      HDA_GEN_PCM_ACT_CLEANUP);

	return 0;

}
@@ -4020,6 +4075,12 @@ static const struct hda_pcm_stream pcm_analog_capture = { 
	.channels_min = 2,

	.channels_max = 2,

	/* NID is set in build_pcms */

	.ops = {

		.open = capture_pcm_open,

		.close = capture_pcm_close,

		.prepare = capture_pcm_prepare,

		.cleanup = capture_pcm_cleanup

	},

};



static const struct hda_pcm_stream pcm_analog_alt_playback = {
@@ -4041,6 +4102,8 @@ static const struct hda_pcm_stream pcm_analog_alt_capture = { 
	.channels_max = 2,

	/* NID is set in build_pcms */

	.ops = {

		.open = alt_capture_pcm_open,

		.close = alt_capture_pcm_close,

		.prepare = alt_capture_pcm_prepare,

		.cleanup = alt_capture_pcm_cleanup

	},

sound/pci/hda/hda_generic.h

+5 −1
Original line number Diff line number Diff line
@@ -233,11 +233,15 @@ struct hda_gen_spec { 
	void (*automute_hook)(struct hda_codec *codec);

	void (*cap_sync_hook)(struct hda_codec *codec);



	/* PCM playback hook */

	/* PCM hooks */

	void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo,

				  struct hda_codec *codec,

				  struct snd_pcm_substream *substream,

				  int action);

	void (*pcm_capture_hook)(struct hda_pcm_stream *hinfo,

				 struct hda_codec *codec,

				 struct snd_pcm_substream *substream,

				 int action);



	/* automute / autoswitch hooks */

	void (*hp_automute_hook)(struct hda_codec *codec,