summaryrefslogtreecommitdiffstats
path: root/sound/pci
diff options
context:
space:
mode:
authorChih-Chung Chang <chihchung@chromium.org>2013-03-25 10:39:23 -0700
committerTakashi Iwai <tiwai@suse.de>2013-04-02 11:28:39 +0200
commit993884f6a26c6547fa3875f9d3fabdc4250d8da6 (patch)
tree8852dd8068a9dd332fe435fedee1891f60dca17d /sound/pci
parentb8e63df919d75ef4ecafd66b5123a798b18cc0e7 (diff)
ALSA: hda/ca0132 - Delay HP amp turnon.
Turing on the headphone amp interferes with the impedance measurement used to detect a TRRS style headset microphone. Delay the HP turn on until 500ms after the jack is detected, allowing the mic detection state machine to run to completion. Signed-off-by: Chih-Chung Chang <chihchung@chromium.org> Signed-off-by: Dylan Reid <dgreid@chromium.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/patch_ca0132.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 0792b5725f9..12eb21aff55 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -741,6 +741,9 @@ struct ca0132_spec {
long voicefx_val;
long cur_mic_boost;
+ struct hda_codec *codec;
+ struct delayed_work unsol_hp_work;
+
#ifdef ENABLE_TUNING_CONTROLS
long cur_ctl_vals[TUNING_CTLS_COUNT];
#endif
@@ -3227,6 +3230,14 @@ exit:
return err < 0 ? err : 0;
}
+static void ca0132_unsol_hp_delayed(struct work_struct *work)
+{
+ struct ca0132_spec *spec = container_of(
+ to_delayed_work(work), struct ca0132_spec, unsol_hp_work);
+ ca0132_select_out(spec->codec);
+ snd_hda_jack_report_sync(spec->codec);
+}
+
static void ca0132_set_dmic(struct hda_codec *codec, int enable);
static int ca0132_mic_boost_set(struct hda_codec *codec, long val);
static int ca0132_effects_set(struct hda_codec *codec, hda_nid_t nid, long val);
@@ -4399,8 +4410,7 @@ static void ca0132_process_dsp_response(struct hda_codec *codec)
static void ca0132_unsol_event(struct hda_codec *codec, unsigned int res)
{
- snd_printdd(KERN_INFO "ca0132_unsol_event: 0x%x\n", res);
-
+ struct ca0132_spec *spec = codec->spec;
if (((res >> AC_UNSOL_RES_TAG_SHIFT) & 0x3f) == UNSOL_TAG_DSP) {
ca0132_process_dsp_response(codec);
@@ -4412,8 +4422,13 @@ static void ca0132_unsol_event(struct hda_codec *codec, unsigned int res)
switch (res) {
case UNSOL_TAG_HP:
- ca0132_select_out(codec);
- snd_hda_jack_report_sync(codec);
+ /* Delay enabling the HP amp, to let the mic-detection
+ * state machine run.
+ */
+ cancel_delayed_work_sync(&spec->unsol_hp_work);
+ queue_delayed_work(codec->bus->workq,
+ &spec->unsol_hp_work,
+ msecs_to_jiffies(500));
break;
case UNSOL_TAG_AMIC1:
ca0132_select_mic(codec);
@@ -4588,6 +4603,7 @@ static void ca0132_free(struct hda_codec *codec)
{
struct ca0132_spec *spec = codec->spec;
+ cancel_delayed_work_sync(&spec->unsol_hp_work);
snd_hda_power_up(codec);
snd_hda_sequence_write(codec, spec->base_exit_verbs);
ca0132_exit_chip(codec);
@@ -4653,6 +4669,7 @@ static int patch_ca0132(struct hda_codec *codec)
if (!spec)
return -ENOMEM;
codec->spec = spec;
+ spec->codec = codec;
spec->num_mixers = 1;
spec->mixers[0] = ca0132_mixer;
@@ -4663,6 +4680,8 @@ static int patch_ca0132(struct hda_codec *codec)
spec->init_verbs[1] = ca0132_init_verbs1;
spec->num_init_verbs = 2;
+ INIT_DELAYED_WORK(&spec->unsol_hp_work, ca0132_unsol_hp_delayed);
+
ca0132_init_chip(codec);
ca0132_config(codec);