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@@ -373,7 +373,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
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unsol->queue[wp] = res;
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unsol->queue[wp + 1] = res_ex;
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- schedule_work(&unsol->work);
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+ queue_work(bus->workq, &unsol->work);
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return 0;
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}
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@@ -437,15 +437,17 @@ static int snd_hda_bus_free(struct hda_bus *bus)
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if (!bus)
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return 0;
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- if (bus->unsol) {
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- flush_scheduled_work();
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+ if (bus->workq)
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+ flush_workqueue(bus->workq);
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+ if (bus->unsol)
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kfree(bus->unsol);
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- }
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list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
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snd_hda_codec_free(codec);
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}
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if (bus->ops.private_free)
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bus->ops.private_free(bus);
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+ if (bus->workq)
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+ destroy_workqueue(bus->workq);
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kfree(bus);
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return 0;
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}
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@@ -485,6 +487,7 @@ int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
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{
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struct hda_bus *bus;
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int err;
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+ char qname[8];
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static struct snd_device_ops dev_ops = {
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.dev_register = snd_hda_bus_dev_register,
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.dev_free = snd_hda_bus_dev_free,
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@@ -514,6 +517,14 @@ int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
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mutex_init(&bus->cmd_mutex);
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INIT_LIST_HEAD(&bus->codec_list);
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+ snprintf(qname, sizeof(qname), "hda%d", card->number);
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+ bus->workq = create_workqueue(qname);
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+ if (!bus->workq) {
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+ snd_printk(KERN_ERR "cannot create workqueue %s\n", qname);
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+ kfree(bus);
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+ return -ENOMEM;
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+ }
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+
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err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
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if (err < 0) {
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snd_hda_bus_free(bus);
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@@ -684,7 +695,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
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return;
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#ifdef CONFIG_SND_HDA_POWER_SAVE
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cancel_delayed_work(&codec->power_work);
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- flush_scheduled_work();
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+ flush_workqueue(codec->bus->workq);
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#endif
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list_del(&codec->list);
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snd_array_free(&codec->mixers);
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@@ -735,6 +746,7 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr
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codec->bus = bus;
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codec->addr = codec_addr;
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mutex_init(&codec->spdif_mutex);
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+ mutex_init(&codec->control_mutex);
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init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
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init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
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snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
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@@ -1272,7 +1284,7 @@ void snd_hda_codec_reset(struct hda_codec *codec)
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#ifdef CONFIG_SND_HDA_POWER_SAVE
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cancel_delayed_work(&codec->power_work);
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- flush_scheduled_work();
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+ flush_workqueue(codec->bus->workq);
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#endif
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snd_hda_ctls_clear(codec);
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/* relase PCMs */
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@@ -1418,12 +1430,12 @@ int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
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unsigned long pval;
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int err;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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pval = kcontrol->private_value;
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kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
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err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
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kcontrol->private_value = pval;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
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@@ -1435,7 +1447,7 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
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unsigned long pval;
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int i, indices, err = 0, change = 0;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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pval = kcontrol->private_value;
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indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
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for (i = 0; i < indices; i++) {
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@@ -1447,7 +1459,7 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
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change |= err;
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}
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kcontrol->private_value = pval;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err < 0 ? err : change;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
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@@ -1462,12 +1474,12 @@ int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
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struct hda_bind_ctls *c;
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int err;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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c = (struct hda_bind_ctls *)kcontrol->private_value;
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kcontrol->private_value = *c->values;
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err = c->ops->info(kcontrol, uinfo);
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kcontrol->private_value = (long)c;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
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@@ -1479,12 +1491,12 @@ int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
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struct hda_bind_ctls *c;
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int err;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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c = (struct hda_bind_ctls *)kcontrol->private_value;
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kcontrol->private_value = *c->values;
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err = c->ops->get(kcontrol, ucontrol);
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kcontrol->private_value = (long)c;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
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@@ -1497,7 +1509,7 @@ int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
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unsigned long *vals;
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int err = 0, change = 0;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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c = (struct hda_bind_ctls *)kcontrol->private_value;
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for (vals = c->values; *vals; vals++) {
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kcontrol->private_value = *vals;
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@@ -1507,7 +1519,7 @@ int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
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change |= err;
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}
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kcontrol->private_value = (long)c;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err < 0 ? err : change;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
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@@ -1519,12 +1531,12 @@ int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
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struct hda_bind_ctls *c;
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int err;
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- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
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+ mutex_lock(&codec->control_mutex);
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c = (struct hda_bind_ctls *)kcontrol->private_value;
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kcontrol->private_value = *c->values;
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err = c->ops->tlv(kcontrol, op_flag, size, tlv);
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kcontrol->private_value = (long)c;
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- mutex_unlock(&codec->spdif_mutex);
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+ mutex_unlock(&codec->control_mutex);
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return err;
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}
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EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
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