diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/Kconfig | 3 | ||||
| -rw-r--r-- | sound/core/Makefile | 1 | ||||
| -rw-r--r-- | sound/core/ctljack.c | 55 | ||||
| -rw-r--r-- | sound/pci/hda/Kconfig | 1 | ||||
| -rw-r--r-- | sound/pci/hda/hda_jack.c | 56 | ||||
| -rw-r--r-- | sound/pci/hda/hda_jack.h | 1 |
6 files changed, 68 insertions, 49 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 475455c76610..66f287f2f759 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -207,6 +207,9 @@ config SND_PCM_XRUN_DEBUG config SND_VMASTER bool +config SND_KCTL_JACK + bool + config SND_DMA_SGBUF def_bool y depends on X86 diff --git a/sound/core/Makefile b/sound/core/Makefile index 350a08d277f4..b4637c3e776e 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -7,6 +7,7 @@ snd-y := sound.o init.o memory.o info.o control.o misc.o device.o snd-$(CONFIG_ISA_DMA_API) += isadma.o snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o info_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o +snd-$(CONFIG_SND_KCTL_JACK) += ctljack.o snd-$(CONFIG_SND_JACK) += jack.o snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \ diff --git a/sound/core/ctljack.c b/sound/core/ctljack.c new file mode 100644 index 000000000000..af0e78a3809c --- /dev/null +++ b/sound/core/ctljack.c @@ -0,0 +1,55 @@ +/* + * Helper functions for jack-detection kcontrols + * + * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/kernel.h> +#include <sound/core.h> +#include <sound/control.h> + +#define jack_detect_kctl_info snd_ctl_boolean_mono_info + +static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = kcontrol->private_value; + return 0; +} + +static struct snd_kcontrol_new jack_detect_kctl = { + /* name is filled later */ + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = jack_detect_kctl_info, + .get = jack_detect_kctl_get, +}; + +struct snd_kcontrol * +snd_kctl_jack_new(const char *name, int idx, void *private_data) +{ + struct snd_kcontrol *kctl; + kctl = snd_ctl_new1(&jack_detect_kctl, private_data); + if (!kctl) + return NULL; + snprintf(kctl->id.name, sizeof(kctl->id.name), "%s Jack", name); + kctl->id.index = idx; + kctl->private_value = 0; + return kctl; +} +EXPORT_SYMBOL_GPL(snd_kctl_jack_new); + +void snd_kctl_jack_report(struct snd_card *card, + struct snd_kcontrol *kctl, bool status) +{ + if (kctl->private_value == status) + return; + kctl->private_value = status; + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); +} +EXPORT_SYMBOL_GPL(snd_kctl_jack_report); diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig index bb7e102d6726..163b6b5de3eb 100644 --- a/sound/pci/hda/Kconfig +++ b/sound/pci/hda/Kconfig @@ -2,6 +2,7 @@ menuconfig SND_HDA_INTEL tristate "Intel HD Audio" select SND_PCM select SND_VMASTER + select SND_KCTL_JACK help Say Y here to include support for Intel "High Definition Audio" (Azalia) and its compatible devices. diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index 8829d5c83fec..a2ab52b27265 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -97,12 +97,8 @@ static void jack_detect_update(struct hda_codec *codec, struct hda_jack_tbl *jack) { if (jack->jack_dirty || !jack->jack_detect) { - unsigned int val = read_pin_sense(codec, jack->nid); + jack->pin_sense = read_pin_sense(codec, jack->nid); jack->jack_dirty = 0; - if (val != jack->pin_sense) { - jack->need_notify = 1; - jack->pin_sense = val; - } } } @@ -142,6 +138,8 @@ u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid) } EXPORT_SYMBOL_HDA(snd_hda_pin_sense); +#define get_jack_plug_state(sense) !!(sense & AC_PINSENSE_PRESENCE) + /** * snd_hda_jack_detect - query pin Presence Detect status * @codec: the CODEC to sense @@ -152,7 +150,7 @@ EXPORT_SYMBOL_HDA(snd_hda_pin_sense); int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) { u32 sense = snd_hda_pin_sense(codec, nid); - return !!(sense & AC_PINSENSE_PRESENCE); + return get_jack_plug_state(sense); } EXPORT_SYMBOL_HDA(snd_hda_jack_detect); @@ -176,58 +174,23 @@ int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid, } EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable); -/* queue the notification when needed */ -static void jack_detect_report(struct hda_codec *codec, - struct hda_jack_tbl *jack) -{ - jack_detect_update(codec, jack); - if (jack->need_notify) { - snd_ctl_notify(codec->bus->card, SNDRV_CTL_EVENT_MASK_VALUE, - &jack->kctl->id); - jack->need_notify = 0; - } -} - /** * snd_hda_jack_report_sync - sync the states of all jacks and report if changed */ void snd_hda_jack_report_sync(struct hda_codec *codec) { struct hda_jack_tbl *jack = codec->jacktbl.list; - int i; + int i, state; for (i = 0; i < codec->jacktbl.used; i++, jack++) if (jack->nid) { jack_detect_update(codec, jack); - jack_detect_report(codec, jack); + state = get_jack_plug_state(jack->pin_sense); + snd_kctl_jack_notify(codec->bus->card, jack->kctl, state); } } EXPORT_SYMBOL_HDA(snd_hda_jack_report_sync); -/* - * jack-detection kcontrols - */ - -#define jack_detect_kctl_info snd_ctl_boolean_mono_info - -static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - hda_nid_t nid = kcontrol->private_value; - - ucontrol->value.integer.value[0] = snd_hda_jack_detect(codec, nid); - return 0; -} - -static struct snd_kcontrol_new jack_detect_kctl = { - /* name is filled later */ - .iface = SNDRV_CTL_ELEM_IFACE_CARD, - .access = SNDRV_CTL_ELEM_ACCESS_READ, - .info = jack_detect_kctl_info, - .get = jack_detect_kctl_get, -}; - /** * snd_hda_jack_add_kctl - Add a kctl for the given pin * @@ -245,12 +208,9 @@ int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, return 0; if (jack->kctl) return 0; /* already created */ - kctl = snd_ctl_new1(&jack_detect_kctl, codec); + kctl = snd_kctl_jack_new(name, idx, codec); if (!kctl) return -ENOMEM; - snprintf(kctl->id.name, sizeof(kctl->id.name), "%s Jack", name); - kctl->id.index = idx; - kctl->private_value = nid; if (snd_hda_ctl_add(codec, nid, kctl) < 0) return -ENOMEM; jack->kctl = kctl; diff --git a/sound/pci/hda/hda_jack.h b/sound/pci/hda/hda_jack.h index 69a67f8e4f45..4bb75ee16b56 100644 --- a/sound/pci/hda/hda_jack.h +++ b/sound/pci/hda/hda_jack.h @@ -21,7 +21,6 @@ struct hda_jack_tbl { unsigned int pin_sense; /* cached pin-sense value */ unsigned int jack_detect:1; /* capable of jack-detection? */ unsigned int jack_dirty:1; /* needs to update? */ - unsigned int need_notify:1; /* to be notified? */ struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */ }; |