diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 78 |
1 files changed, 48 insertions, 30 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fe11856d7a63..ea3986a46c12 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -44,8 +44,6 @@ #define CREATE_TRACE_POINTS #include <trace/events/asoc.h> -#define NAME_SIZE 32 - static DEFINE_MUTEX(client_mutex); static LIST_HEAD(component_list); static LIST_HEAD(unbind_card_list); @@ -618,7 +616,7 @@ int snd_soc_suspend(struct device *dev) "ASoC: idle_bias_off CODEC on over suspend\n"); break; } - /* fall through */ + fallthrough; case SND_SOC_BIAS_OFF: snd_soc_component_suspend(component); @@ -1996,16 +1994,7 @@ static int soc_probe(struct platform_device *pdev) /* Bodge while we unpick instantiation */ card->dev = &pdev->dev; - return snd_soc_register_card(card); -} - -/* removes a socdev */ -static int soc_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - return 0; + return devm_snd_soc_register_card(&pdev->dev, card); } int snd_soc_poweroff(struct device *dev) @@ -2049,7 +2038,6 @@ static struct platform_driver soc_driver = { .pm = &snd_soc_pm_ops, }, .probe = soc_probe, - .remove = soc_remove, }; /** @@ -2231,13 +2219,14 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_card); */ static char *fmt_single_name(struct device *dev, int *id) { - char *found, name[NAME_SIZE]; + const char *devname = dev_name(dev); + char *found, *name; int id1, id2; - if (dev_name(dev) == NULL) + if (devname == NULL) return NULL; - strlcpy(name, dev_name(dev), NAME_SIZE); + name = devm_kstrdup(dev, devname, GFP_KERNEL); /* are we a "%s.%d" name (platform and SPI components) */ found = strstr(name, dev->driver->name); @@ -2250,23 +2239,21 @@ static char *fmt_single_name(struct device *dev, int *id) found[strlen(dev->driver->name)] = '\0'; } - } else { - /* I2C component devices are named "bus-addr" */ - if (sscanf(name, "%x-%x", &id1, &id2) == 2) { - char tmp[NAME_SIZE]; + /* I2C component devices are named "bus-addr" */ + } else if (sscanf(name, "%x-%x", &id1, &id2) == 2) { + + /* create unique ID number from I2C addr and bus */ + *id = ((id1 & 0xffff) << 16) + id2; - /* create unique ID number from I2C addr and bus */ - *id = ((id1 & 0xffff) << 16) + id2; + devm_kfree(dev, name); - /* sanitize component name for DAI link creation */ - snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, - name); - strlcpy(name, tmp, NAME_SIZE); - } else - *id = 0; + /* sanitize component name for DAI link creation */ + name = devm_kasprintf(dev, GFP_KERNEL, "%s.%s", dev->driver->name, devname); + } else { + *id = 0; } - return devm_kstrdup(dev, name, GFP_KERNEL); + return name; } /* @@ -2840,6 +2827,37 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); +int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname) +{ + struct device_node *node = card->dev->of_node; + struct snd_soc_aux_dev *aux; + int num, i; + + num = of_count_phandle_with_args(node, propname, NULL); + if (num == -ENOENT) { + return 0; + } else if (num < 0) { + dev_err(card->dev, "ASOC: Property '%s' could not be read: %d\n", + propname, num); + return num; + } + + aux = devm_kcalloc(card->dev, num, sizeof(*aux), GFP_KERNEL); + if (!aux) + return -ENOMEM; + card->aux_dev = aux; + card->num_aux_devs = num; + + for_each_card_pre_auxs(card, i, aux) { + aux->dlc.of_node = of_parse_phandle(node, propname, i); + if (!aux->dlc.of_node) + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_aux_devs); + unsigned int snd_soc_of_parse_daifmt(struct device_node *np, const char *prefix, struct device_node **bitclkmaster, |