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pulseaudio
0025-alsa-mixer-handle-interface-type-CARD-PCM-...
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File 0025-alsa-mixer-handle-interface-type-CARD-PCM-for-mixer-.patch of Package pulseaudio
From f18b0c3402f5e1f7db9d0a42c6e10cfe1f212da3 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela <perex@perex.cz> Date: Sat, 7 Dec 2019 17:54:04 +0100 Subject: [PATCH] alsa-mixer: handle interface type (CARD,PCM) for mixer element lookups Signed-off-by: Jaroslav Kysela <perex@perex.cz> --- src/modules/alsa/alsa-mixer.c | 2 +- src/modules/alsa/alsa-ucm.c | 2 +- src/modules/alsa/alsa-util.c | 18 +++++++++++++++++- src/modules/alsa/alsa-util.h | 3 ++- src/modules/alsa/module-alsa-card.c | 4 ++-- 5 files changed, 23 insertions(+), 6 deletions(-) diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c index ed06f42d86da..094cff817df7 100644 --- a/src/modules/alsa/alsa-mixer.c +++ b/src/modules/alsa/alsa-mixer.c @@ -1907,7 +1907,7 @@ static int jack_probe(pa_alsa_jack *j, pa_alsa_mapping *mapping, snd_mixer_t *m) j->append_pcm_to_name = false; } - has_control = pa_alsa_mixer_find(m, j->alsa_name, 0) != NULL; + has_control = pa_alsa_mixer_find_card(m, j->alsa_name, 0) != NULL; pa_alsa_jack_set_has_control(j, has_control); if (j->has_control) { diff --git a/src/modules/alsa/alsa-ucm.c b/src/modules/alsa/alsa-ucm.c index d1ca62d28619..a64505a0c781 100644 --- a/src/modules/alsa/alsa-ucm.c +++ b/src/modules/alsa/alsa-ucm.c @@ -1796,7 +1796,7 @@ static void ucm_mapping_jack_probe(pa_alsa_mapping *m) { mdev_opened = mdev; } - has_control = pa_alsa_mixer_find(mixer_handle, dev->jack->alsa_name, 0) != NULL; + has_control = pa_alsa_mixer_find_card(mixer_handle, dev->jack->alsa_name, 0) != NULL; pa_alsa_jack_set_has_control(dev->jack, has_control); pa_log_info("UCM jack %s has_control=%d", dev->jack->name, dev->jack->has_control); } diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c index 2df2258d85af..08a144782394 100644 --- a/src/modules/alsa/alsa-util.c +++ b/src/modules/alsa/alsa-util.c @@ -1610,7 +1610,11 @@ bool pa_alsa_may_tsched(bool want) { #define SND_MIXER_ELEM_PULSEAUDIO (SND_MIXER_ELEM_LAST + 10) -snd_mixer_elem_t *pa_alsa_mixer_find(snd_mixer_t *mixer, const char *name, unsigned int device) { +static snd_mixer_elem_t *pa_alsa_mixer_find(snd_mixer_t *mixer, + snd_ctl_elem_iface_t iface, + const char *name, + unsigned int index, + unsigned int device) { snd_mixer_elem_t *elem; for (elem = snd_mixer_first_elem(mixer); elem; elem = snd_mixer_elem_next(elem)) { @@ -1618,8 +1622,12 @@ snd_mixer_elem_t *pa_alsa_mixer_find(snd_mixer_t *mixer, const char *name, unsig if (snd_mixer_elem_get_type(elem) != SND_MIXER_ELEM_PULSEAUDIO) continue; helem = snd_mixer_elem_get_private(elem); + if (snd_hctl_elem_get_interface(helem) != iface) + continue; if (!pa_streq(snd_hctl_elem_get_name(helem), name)) continue; + if (snd_hctl_elem_get_index(helem) != index) + continue; if (snd_hctl_elem_get_device(helem) != device) continue; return elem; @@ -1627,6 +1635,14 @@ snd_mixer_elem_t *pa_alsa_mixer_find(snd_mixer_t *mixer, const char *name, unsig return NULL; } +snd_mixer_elem_t *pa_alsa_mixer_find_card(snd_mixer_t *mixer, const char *name, unsigned int device) { + return pa_alsa_mixer_find(mixer, SND_CTL_ELEM_IFACE_CARD, name, 0, device); +} + +snd_mixer_elem_t *pa_alsa_mixer_find_pcm(snd_mixer_t *mixer, const char *name, unsigned int device) { + return pa_alsa_mixer_find(mixer, SND_CTL_ELEM_IFACE_PCM, name, 0, device); +} + static int mixer_class_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2) { /* Dummy compare function */ diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h index 4ceaa06ee480..ceca48809400 100644 --- a/src/modules/alsa/alsa-util.h +++ b/src/modules/alsa/alsa-util.h @@ -141,7 +141,8 @@ const char* pa_alsa_strerror(int errnum); bool pa_alsa_may_tsched(bool want); -snd_mixer_elem_t *pa_alsa_mixer_find(snd_mixer_t *mixer, const char *name, unsigned int device); +snd_mixer_elem_t *pa_alsa_mixer_find_card(snd_mixer_t *mixer, const char *name, unsigned int device); +snd_mixer_elem_t *pa_alsa_mixer_find_pcm(snd_mixer_t *mixer, const char *name, unsigned int device); snd_mixer_t *pa_alsa_open_mixer(int alsa_card_index, char **ctl_device); diff --git a/src/modules/alsa/module-alsa-card.c b/src/modules/alsa/module-alsa-card.c index be260e4badab..ba7a19a38983 100644 --- a/src/modules/alsa/module-alsa-card.c +++ b/src/modules/alsa/module-alsa-card.c @@ -588,7 +588,7 @@ static void init_eld_ctls(struct userdata *u) { if (device < 0) continue; - melem = pa_alsa_mixer_find(u->mixer_handle, "ELD", device); + melem = pa_alsa_mixer_find_pcm(u->mixer_handle, "ELD", device); if (melem) { snd_mixer_elem_set_callback(melem, hdmi_eld_changed); snd_mixer_elem_set_callback_private(melem, u); @@ -635,7 +635,7 @@ static void init_jacks(struct userdata *u) { u->mixer_handle = pa_alsa_open_mixer(u->alsa_card_index, NULL); if (u->mixer_handle && pa_alsa_fdlist_set_handle(u->mixer_fdl, u->mixer_handle, NULL, u->core->mainloop) >= 0) { PA_HASHMAP_FOREACH(jack, u->jacks, state) { - jack->melem = pa_alsa_mixer_find(u->mixer_handle, jack->alsa_name, 0); + jack->melem = pa_alsa_mixer_find_card(u->mixer_handle, jack->alsa_name, 0); if (!jack->melem) { pa_log_warn("Jack '%s' seems to have disappeared.", jack->alsa_name); pa_alsa_jack_set_has_control(jack, false); -- 2.16.4
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