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ALSA: hda - Implement a poll loop for jacks as a module parameter

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Now that we have a generic unsol mechanism, we can implement a generic
poll loop, which can be used for debugging, or if a codec's unsol
mechanism is broken.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson
2012-10-09 15:04:21 +02:00
committed by Takashi Iwai
parent 239fb862e8
commit 26a6cb6cca
5 changed files with 74 additions and 4 deletions
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32
sound/pci/hda/hda_codec.c
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@@ -1135,6 +1135,19 @@ static void restore_shutup_pins(struct hda_codec *codec)
}
#endif
static void hda_jackpoll_work(struct work_struct *work)
{
struct hda_codec *codec =
container_of(work, struct hda_codec, jackpoll_work.work);
if (!codec->jackpoll_interval)
return;
snd_hda_jack_set_dirty_all(codec);
snd_hda_jack_poll_all(codec);
queue_delayed_work(codec->bus->workq, &codec->jackpoll_work,
codec->jackpoll_interval);
}
static void init_hda_cache(struct hda_cache_rec *cache,
unsigned int record_size);
static void free_hda_cache(struct hda_cache_rec *cache);
@@ -1190,6 +1203,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
{
if (!codec)
return;
cancel_delayed_work_sync(&codec->jackpoll_work);
snd_hda_jack_tbl_clear(codec);
restore_init_pincfgs(codec);
#ifdef CONFIG_PM
@@ -1273,6 +1287,7 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
snd_array_init(&codec->conn_lists, sizeof(hda_nid_t), 64);
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
#ifdef CONFIG_PM
spin_lock_init(&codec->power_lock);
@@ -2349,7 +2364,7 @@ int snd_hda_codec_reset(struct hda_codec *codec)
return -EBUSY;
/* OK, let it free */
cancel_delayed_work_sync(&codec->jackpoll_work);
#ifdef CONFIG_PM
cancel_delayed_work_sync(&codec->power_work);
codec->power_on = 0;
@@ -3646,7 +3661,6 @@ static void hda_call_codec_resume(struct hda_codec *codec)
restore_pincfgs(codec); /* restore all current pin configs */
restore_shutup_pins(codec);
hda_exec_init_verbs(codec);
snd_hda_jack_set_dirty_all(codec);
if (codec->patch_ops.resume)
codec->patch_ops.resume(codec);
else {
@@ -3655,7 +3669,13 @@ static void hda_call_codec_resume(struct hda_codec *codec)
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
}
snd_hda_jack_report_sync(codec);
if (codec->jackpoll_interval)
hda_jackpoll_work(&codec->jackpoll_work.work);
else {
snd_hda_jack_set_dirty_all(codec);
snd_hda_jack_report_sync(codec);
}
snd_hda_power_down(codec); /* flag down before returning */
}
#endif /* CONFIG_PM */
@@ -3737,7 +3757,10 @@ int snd_hda_codec_build_controls(struct hda_codec *codec)
if (err < 0)
return err;
snd_hda_jack_report_sync(codec); /* call at the last init point */
if (codec->jackpoll_interval)
hda_jackpoll_work(&codec->jackpoll_work.work);
else
snd_hda_jack_report_sync(codec); /* call at the last init point */
return 0;
}
@@ -5128,6 +5151,7 @@ int snd_hda_suspend(struct hda_bus *bus)
struct hda_codec *codec;
list_for_each_entry(codec, &bus->codec_list, list) {
cancel_delayed_work_sync(&codec->jackpoll_work);
if (hda_codec_is_power_on(codec))
hda_call_codec_suspend(codec, false);
}