[alsa-devel] [PATCH 14/31] HDA patch_via.c: Add Jack detect feature for VT1708.
Li Bo
liboat at gmail.com
Thu Oct 8 07:28:25 CEST 2009
[ALSA] HDA VIA: Add Jack detect feature for VT1708.
VT1708 does not support unsolicited response, but we need hp detect to
automute speaker. Implemented in workqueue.
Signed-off-by: Lydia Wang <lydiawang at viatech.com.cn>
---
sound/pci/hda/patch_via.c | 224 ++++++++++++++++++++++++++++++++++------------
1 file changed, 168 insertions(+), 56 deletions(-)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -89,6 +89,64 @@
CODEC_TYPES,
};
+struct via_spec {
+ /* codec parameterization */
+ struct snd_kcontrol_new *mixers[4];
+ unsigned int num_mixers;
+
+ struct hda_verb *init_verbs[5];
+ unsigned int num_iverbs;
+
+ char *stream_name_analog;
+ struct hda_pcm_stream *stream_analog_playback;
+ struct hda_pcm_stream *stream_analog_capture;
+
+ char *stream_name_digital;
+ struct hda_pcm_stream *stream_digital_playback;
+ struct hda_pcm_stream *stream_digital_capture;
+
+ /* playback */
+ struct hda_multi_out multiout;
+ hda_nid_t slave_dig_outs[2];
+
+ /* capture */
+ unsigned int num_adc_nids;
+ hda_nid_t *adc_nids;
+ hda_nid_t mux_nids[3];
+ hda_nid_t dig_in_nid;
+ hda_nid_t dig_in_pin;
+
+ /* capture source */
+ const struct hda_input_mux *input_mux;
+ unsigned int cur_mux[3];
+
+ /* PCM information */
+ struct hda_pcm pcm_rec[3];
+
+ /* dynamic controls, init_verbs and input_mux */
+ struct auto_pin_cfg autocfg;
+ struct snd_array kctls;
+ struct hda_input_mux private_imux[2];
+ hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
+
+ /* HP mode source */
+ const struct hda_input_mux *hp_mux;
+ unsigned int hp_independent_mode;
+ unsigned int hp_independent_mode_index;
+ unsigned int smart51_enabled;
+
+ enum VIA_HDA_CODEC codec_type;
+
+ /* work to check hp jack state */
+ struct hda_codec *codec;
+ struct delayed_work vt1708_hp_work;
+ int vt1708_jack_detectect;
+ int vt1708_hp_present;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ struct hda_loopback_check loopback;
+#endif
+};
+
static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
u32 vendor_id = codec->vendor_id;
@@ -181,6 +239,28 @@
static void analog_low_current_mode(struct hda_codec *codec, int stream_idle);
static void set_jack_power_state(struct hda_codec *codec);
+static int is_aa_path_mute(struct hda_codec *codec);
+
+static void vt1708_start_hp_work(struct via_spec *spec)
+{
+ if (spec->codec_type != VT1708)
+ return;
+ snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
+ !spec->vt1708_jack_detectect);
+ if (!delayed_work_pending(&spec->vt1708_hp_work))
+ schedule_delayed_work(&spec->vt1708_hp_work,
+ msecs_to_jiffies(100));
+}
+
+static void vt1708_stop_hp_work(struct via_spec *spec)
+{
+ if (spec->codec_type != VT1708)
+ return;
+ snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
+ !spec->vt1708_jack_detectect);
+ cancel_delayed_work(&spec->vt1708_hp_work);
+ flush_scheduled_work();
+}
static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
@@ -190,6 +270,12 @@
set_jack_power_state(codec);
analog_low_current_mode(snd_kcontrol_chip(kcontrol), -1);
+ if (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1) {
+ if (is_aa_path_mute(codec))
+ vt1708_start_hp_work(codec->spec);
+ else
+ vt1708_stop_hp_work(codec->spec);
+ }
return change;
}
@@ -210,59 +296,6 @@
};
-struct via_spec {
- /* codec parameterization */
- struct snd_kcontrol_new *mixers[4];
- unsigned int num_mixers;
-
- struct hda_verb *init_verbs[5];
- unsigned int num_iverbs;
-
- char *stream_name_analog;
- struct hda_pcm_stream *stream_analog_playback;
- struct hda_pcm_stream *stream_analog_capture;
-
- char *stream_name_digital;
- struct hda_pcm_stream *stream_digital_playback;
- struct hda_pcm_stream *stream_digital_capture;
-
- /* playback */
- struct hda_multi_out multiout;
- hda_nid_t slave_dig_outs[2];
-
- /* capture */
- unsigned int num_adc_nids;
- hda_nid_t *adc_nids;
- hda_nid_t mux_nids[3];
- hda_nid_t dig_in_nid;
- hda_nid_t dig_in_pin;
-
- /* capture source */
- const struct hda_input_mux *input_mux;
- unsigned int cur_mux[3];
-
- /* PCM information */
- struct hda_pcm pcm_rec[3];
-
- /* dynamic controls, init_verbs and input_mux */
- struct auto_pin_cfg autocfg;
- struct snd_array kctls;
- struct hda_input_mux private_imux[2];
- hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
-
- /* HP mode source */
- const struct hda_input_mux *hp_mux;
- unsigned int hp_independent_mode;
- unsigned int hp_independent_mode_index;
- unsigned int smart51_enabled;
-
- enum VIA_HDA_CODEC codec_type;
-
-#ifdef CONFIG_SND_HDA_POWER_SAVE
- struct hda_loopback_check loopback;
-#endif
-};
-
static hda_nid_t vt1708_adc_nids[2] = {
/* ADC1-2 */
0x15, 0x27
@@ -1094,7 +1127,7 @@
snd_hda_codec_setup_stream(codec, mout->hp_nid,
stream_tag, 0, format);
}
-
+ vt1708_start_hp_work(spec);
return 0;
}
@@ -1134,7 +1167,7 @@
snd_hda_codec_setup_stream(codec, mout->hp_nid,
0, 0, 0);
}
-
+ vt1708_stop_hp_work(spec);
return 0;
}
@@ -1345,6 +1378,7 @@
return;
via_free_kctls(codec);
+ vt1708_stop_hp_work(spec);
kfree(codec->spec);
}
@@ -1464,6 +1498,15 @@
return 0;
}
+#ifdef SND_HDA_NEEDS_RESUME
+static int via_suspend(struct hda_codec *codec, pm_message_t state)
+{
+ struct via_spec *spec = codec->spec;
+ vt1708_stop_hp_work(spec);
+ return 0;
+}
+#endif
+
#ifdef CONFIG_SND_HDA_POWER_SAVE
static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
@@ -1479,6 +1522,9 @@
.build_pcms = via_build_pcms,
.init = via_init,
.free = via_free,
+#ifdef SND_HDA_NEEDS_RESUME
+ .suspend = via_suspend,
+#endif
#ifdef CONFIG_SND_HDA_POWER_SAVE
.check_power_status = via_check_power_status,
#endif
@@ -1728,6 +1774,51 @@
return;
}
+static int vt1708_jack_detectect_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct via_spec *spec = codec->spec;
+
+ if (spec->codec_type != VT1708)
+ return 0;
+ spec->vt1708_jack_detectect =
+ !((snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8) & 0x1);
+ ucontrol->value.integer.value[0] = spec->vt1708_jack_detectect;
+ return 0;
+}
+
+static int vt1708_jack_detectect_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct via_spec *spec = codec->spec;
+ int change;
+
+ if (spec->codec_type != VT1708)
+ return 0;
+ spec->vt1708_jack_detectect = ucontrol->value.integer.value[0];
+ change = (0x1 & (snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8))
+ == !spec->vt1708_jack_detectect;
+ if (spec->vt1708_jack_detectect) {
+ mute_aa_path(codec, 1);
+ notify_aa_path_ctls(codec);
+ }
+ return change;
+}
+
+static struct snd_kcontrol_new vt1708_jack_detectect[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Jack Detect",
+ .count = 1,
+ .info = snd_ctl_boolean_mono_info,
+ .get = vt1708_jack_detectect_get,
+ .put = vt1708_jack_detectect_put,
+ },
+ {} /* end */
+};
+
static int vt1708_parse_auto_config(struct hda_codec *codec)
{
struct via_spec *spec = codec->spec;
@@ -1755,6 +1846,10 @@
err = vt1708_auto_create_analog_input_ctls(spec, &spec->autocfg);
if (err < 0)
return err;
+ /* add jack detect on/off control */
+ err = snd_hda_add_new_ctls(codec, vt1708_jack_detectect);
+ if (err < 0)
+ return err;
spec->multiout.max_channels = spec->multiout.num_dacs * 2;
@@ -1788,6 +1883,22 @@
return 0;
}
+static void vt1708_update_hp_jack_state(struct work_struct *work)
+{
+ struct via_spec *spec = container_of(work, struct via_spec,
+ vt1708_hp_work.work);
+ if (spec->codec_type != VT1708)
+ return;
+ /* if jack state toggled */
+ if (spec->vt1708_hp_present
+ != (snd_hda_codec_read(spec->codec, spec->autocfg.hp_pins[0], 0,
+ AC_VERB_GET_PIN_SENSE, 0) >> 31)) {
+ spec->vt1708_hp_present ^= 1;
+ via_hp_automute(spec->codec);
+ }
+ vt1708_start_hp_work(spec);
+}
+
static int get_mux_nids(struct hda_codec *codec)
{
struct via_spec *spec = codec->spec;
@@ -1864,7 +1975,8 @@
#ifdef CONFIG_SND_HDA_POWER_SAVE
spec->loopback.amplist = vt1708_loopbacks;
#endif
-
+ spec->codec = codec;
+ INIT_DELAYED_WORK(&spec->vt1708_hp_work, vt1708_update_hp_jack_state);
return 0;
}
More information about the Alsa-devel
mailing list