From ac2e87366c18d49c6dc12e89ae4f4512f126eeb4 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 17 Jan 2013 15:57:10 +0100 Subject: [PATCH] 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: Takashi Iwai --- sound/pci/hda/hda_generic.c | 63 +++++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_generic.h | 6 +++- 2 files changed, 68 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index fc3f24113ce3..f946714c7d3c 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -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 }, diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index a0486b1b4da4..7b14e9ce7486 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -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, -- 2.20.1