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 <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index fc3f241..f946714 100644 (file)
--- 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 a0486b1..7b14e9c 100644 (file)
--- 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,