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ASoC: Fix binding and probing of auxiliary components 

Currently binding of auxiliary devices doesn't work as in
soc_bind_aux_dev() function a bound component is not being added
to any list and in soc_probe_aux_devices() we are trying to walk
the component_dev_list list to probe auxiliary components but
at that time this list doesn't contain any auxiliary components
since they are being added to the card only in soc_probe_component().

This patch adds a list to the card where are stored bound but not
probed auxiliary devices, so that all aux devices can be probed.

Fixes: 1a653aa447 "ASoC: core: replace aux_comp_list to component_dev_list"
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sylwester Nawrocki 2016-12-29 14:11:21 +01:00 committed by Mark Brown
parent a5de5b74a5
commit d2e3a1358c
2 changed files with 8 additions and 5 deletions
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3
include/sound/soc.h
View File

@ -813,6 +813,7 @@ struct snd_soc_component {
unsigned int suspended:1; /* is in suspend PM state */
struct list_head list;
struct list_head card_aux_list; /* for auxiliary bound components */
struct list_head card_list;
struct snd_soc_dai_driver *dai_drv;
@ -1152,6 +1153,7 @@ struct snd_soc_card {
*/
struct snd_soc_aux_dev *aux_dev;
int num_aux_devs;
struct list_head aux_comp_list;
const struct snd_kcontrol_new *controls;
int num_controls;
@ -1547,6 +1549,7 @@ static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
INIT_LIST_HEAD(&card->widgets);
INIT_LIST_HEAD(&card->paths);
INIT_LIST_HEAD(&card->dapm_list);
INIT_LIST_HEAD(&card->aux_comp_list);
INIT_LIST_HEAD(&card->component_dev_list);
}

10
sound/soc/soc-core.c
View File

@ -1748,6 +1748,7 @@ static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
component->init = aux_dev->init;
component->auxiliary = 1;
list_add(&component->card_aux_list, &card->aux_comp_list);
return 0;
@ -1758,16 +1759,14 @@ err_defer:
static int soc_probe_aux_devices(struct snd_soc_card *card)
{
struct snd_soc_component *comp;
struct snd_soc_component *comp, *tmp;
int order;
int ret;
for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
order++) {
list_for_each_entry(comp, &card->component_dev_list, card_list) {
if (!comp->auxiliary)
continue;
list_for_each_entry_safe(comp, tmp, &card->aux_comp_list,
card_aux_list) {
if (comp->driver->probe_order == order) {
ret = soc_probe_component(card, comp);
if (ret < 0) {
@ -1776,6 +1775,7 @@ static int soc_probe_aux_devices(struct snd_soc_card *card)
comp->name, ret);
return ret;
}
list_del(&comp->card_aux_list);
}
}
}