Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee139...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / soc-core.c
index b37ee8077ed148613419ae37a4427ddb227ec095..f219b2f7ee682c795bcf12ec2bea9b9855506b6f 100644 (file)
@@ -812,13 +812,15 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 
        /* Find CPU DAI from registered DAIs*/
        list_for_each_entry(cpu_dai, &dai_list, list) {
-               if (dai_link->cpu_dai_of_node) {
-                       if (cpu_dai->dev->of_node != dai_link->cpu_dai_of_node)
-                               continue;
-               } else {
-                       if (strcmp(cpu_dai->name, dai_link->cpu_dai_name))
-                               continue;
-               }
+               if (dai_link->cpu_of_node &&
+                   (cpu_dai->dev->of_node != dai_link->cpu_of_node))
+                       continue;
+               if (dai_link->cpu_name &&
+                   strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name))
+                       continue;
+               if (dai_link->cpu_dai_name &&
+                   strcmp(cpu_dai->name, dai_link->cpu_dai_name))
+                       continue;
 
                rtd->cpu_dai = cpu_dai;
        }
@@ -896,6 +898,28 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
        return 0;
 }
 
+static int soc_remove_platform(struct snd_soc_platform *platform)
+{
+       int ret;
+
+       if (platform->driver->remove) {
+               ret = platform->driver->remove(platform);
+               if (ret < 0)
+                       pr_err("asoc: failed to remove %s: %d\n",
+                               platform->name, ret);
+       }
+
+       /* Make sure all DAPM widgets are freed */
+       snd_soc_dapm_free(&platform->dapm);
+
+       soc_cleanup_platform_debugfs(platform);
+       platform->probed = 0;
+       list_del(&platform->card_list);
+       module_put(platform->dev->driver->owner);
+
+       return 0;
+}
+
 static void soc_remove_codec(struct snd_soc_codec *codec)
 {
        int err;
@@ -917,11 +941,9 @@ static void soc_remove_codec(struct snd_soc_codec *codec)
        module_put(codec->dev->driver->owner);
 }
 
-static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
+static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 {
        struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
-       struct snd_soc_codec *codec = rtd->codec;
-       struct snd_soc_platform *platform = rtd->platform;
        struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
        int err;
 
@@ -946,30 +968,6 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
                list_del(&codec_dai->card_list);
        }
 
-       /* remove the platform */
-       if (platform && platform->probed &&
-                       platform->driver->remove_order == order) {
-               if (platform->driver->remove) {
-                       err = platform->driver->remove(platform);
-                       if (err < 0)
-                               pr_err("asoc: failed to remove %s: %d\n",
-                                                       platform->name, err);
-               }
-
-               /* Make sure all DAPM widgets are freed */
-               snd_soc_dapm_free(&platform->dapm);
-
-               soc_cleanup_platform_debugfs(platform);
-               platform->probed = 0;
-               list_del(&platform->card_list);
-               module_put(platform->dev->driver->owner);
-       }
-
-       /* remove the CODEC */
-       if (codec && codec->probed &&
-                       codec->driver->remove_order == order)
-               soc_remove_codec(codec);
-
        /* remove the cpu_dai */
        if (cpu_dai && cpu_dai->probed &&
                        cpu_dai->driver->remove_order == order) {
@@ -981,7 +979,43 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
                }
                cpu_dai->probed = 0;
                list_del(&cpu_dai->card_list);
-               module_put(cpu_dai->dev->driver->owner);
+
+               if (!cpu_dai->codec) {
+                       snd_soc_dapm_free(&cpu_dai->dapm);
+                       module_put(cpu_dai->dev->driver->owner);
+               }
+       }
+}
+
+static void soc_remove_link_components(struct snd_soc_card *card, int num,
+                                      int order)
+{
+       struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+       struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+       struct snd_soc_dai *codec_dai = rtd->codec_dai;
+       struct snd_soc_platform *platform = rtd->platform;
+       struct snd_soc_codec *codec;
+
+       /* remove the platform */
+       if (platform && platform->probed &&
+           platform->driver->remove_order == order) {
+               soc_remove_platform(platform);
+       }
+
+       /* remove the CODEC-side CODEC */
+       if (codec_dai) {
+               codec = codec_dai->codec;
+               if (codec && codec->probed &&
+                   codec->driver->remove_order == order)
+                       soc_remove_codec(codec);
+       }
+
+       /* remove any CPU-side CODEC */
+       if (cpu_dai) {
+               codec = cpu_dai->codec;
+               if (codec && codec->probed &&
+                   codec->driver->remove_order == order)
+                       soc_remove_codec(codec);
        }
 }
 
@@ -992,8 +1026,15 @@ static void soc_remove_dai_links(struct snd_soc_card *card)
        for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
                        order++) {
                for (dai = 0; dai < card->num_rtd; dai++)
-                       soc_remove_dai_link(card, dai, order);
+                       soc_remove_link_dais(card, dai, order);
        }
+
+       for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+                       order++) {
+               for (dai = 0; dai < card->num_rtd; dai++)
+                       soc_remove_link_components(card, dai, order);
+       }
+
        card->num_rtd = 0;
 }
 
@@ -1054,6 +1095,10 @@ static int soc_probe_codec(struct snd_soc_card *card,
                }
        }
 
+       /* If the driver didn't set I/O up try regmap */
+       if (!codec->control_data)
+               snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
+
        if (driver->controls)
                snd_soc_add_codec_controls(codec, driver->controls,
                                     driver->num_controls);
@@ -1230,7 +1275,44 @@ out:
        return 0;
 }
 
-static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
+static int soc_probe_link_components(struct snd_soc_card *card, int num,
+                                    int order)
+{
+       struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+       struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+       struct snd_soc_dai *codec_dai = rtd->codec_dai;
+       struct snd_soc_platform *platform = rtd->platform;
+       int ret;
+
+       /* probe the CPU-side component, if it is a CODEC */
+       if (cpu_dai->codec &&
+           !cpu_dai->codec->probed &&
+           cpu_dai->codec->driver->probe_order == order) {
+               ret = soc_probe_codec(card, cpu_dai->codec);
+               if (ret < 0)
+                       return ret;
+       }
+
+       /* probe the CODEC-side component */
+       if (!codec_dai->codec->probed &&
+           codec_dai->codec->driver->probe_order == order) {
+               ret = soc_probe_codec(card, codec_dai->codec);
+               if (ret < 0)
+                       return ret;
+       }
+
+       /* probe the platform */
+       if (!platform->probed &&
+           platform->driver->probe_order == order) {
+               ret = soc_probe_platform(card, platform);
+               if (ret < 0)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 {
        struct snd_soc_dai_link *dai_link = &card->dai_link[num];
        struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
@@ -1255,11 +1337,14 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
        /* probe the cpu_dai */
        if (!cpu_dai->probed &&
                        cpu_dai->driver->probe_order == order) {
-               cpu_dai->dapm.card = card;
-               if (!try_module_get(cpu_dai->dev->driver->owner))
-                       return -ENODEV;
+               if (!cpu_dai->codec) {
+                       cpu_dai->dapm.card = card;
+                       if (!try_module_get(cpu_dai->dev->driver->owner))
+                               return -ENODEV;
 
-               snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai);
+                       list_add(&cpu_dai->dapm.list, &card->dapm_list);
+                       snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai);
+               }
 
                if (cpu_dai->driver->probe) {
                        ret = cpu_dai->driver->probe(cpu_dai);
@@ -1275,22 +1360,6 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
                list_add(&cpu_dai->card_list, &card->dai_dev_list);
        }
 
-       /* probe the CODEC */
-       if (!codec->probed &&
-                       codec->driver->probe_order == order) {
-               ret = soc_probe_codec(card, codec);
-               if (ret < 0)
-                       return ret;
-       }
-
-       /* probe the platform */
-       if (!platform->probed &&
-                       platform->driver->probe_order == order) {
-               ret = soc_probe_platform(card, platform);
-               if (ret < 0)
-                       return ret;
-       }
-
        /* probe the CODEC DAI */
        if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
                if (codec_dai->driver->probe) {
@@ -1565,14 +1634,27 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
                        goto card_probe_error;
        }
 
-       /* early DAI link probe */
+       /* probe all components used by DAI links on this card */
        for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
                        order++) {
                for (i = 0; i < card->num_links; i++) {
-                       ret = soc_probe_dai_link(card, i, order);
+                       ret = soc_probe_link_components(card, i, order);
                        if (ret < 0) {
                                pr_err("asoc: failed to instantiate card %s: %d\n",
-                              card->name, ret);
+                                      card->name, ret);
+                               goto probe_dai_err;
+                       }
+               }
+       }
+
+       /* probe all DAI links on this card */
+       for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+                       order++) {
+               for (i = 0; i < card->num_links; i++) {
+                       ret = soc_probe_link_dais(card, i, order);
+                       if (ret < 0) {
+                               pr_err("asoc: failed to instantiate card %s: %d\n",
+                                      card->name, ret);
                                goto probe_dai_err;
                        }
                }
@@ -2789,6 +2871,104 @@ int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
 }
 EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
 
+/**
+ * snd_soc_info_volsw_range - single mixer info callback with range.
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information, within a range, about a single
+ * mixer control.
+ *
+ * returns 0 for success.
+ */
+int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
+       struct snd_ctl_elem_info *uinfo)
+{
+       struct soc_mixer_control *mc =
+               (struct soc_mixer_control *)kcontrol->private_value;
+       int platform_max;
+       int min = mc->min;
+
+       if (!mc->platform_max)
+               mc->platform_max = mc->max;
+       platform_max = mc->platform_max;
+
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = platform_max - min;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
+
+/**
+ * snd_soc_put_volsw_range - single mixer put value callback with range.
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value, within a range, for a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
+       struct snd_ctl_elem_value *ucontrol)
+{
+       struct soc_mixer_control *mc =
+               (struct soc_mixer_control *)kcontrol->private_value;
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       unsigned int reg = mc->reg;
+       unsigned int shift = mc->shift;
+       int min = mc->min;
+       int max = mc->max;
+       unsigned int mask = (1 << fls(max)) - 1;
+       unsigned int invert = mc->invert;
+       unsigned int val, val_mask;
+
+       val = ((ucontrol->value.integer.value[0] + min) & mask);
+       if (invert)
+               val = max - val;
+       val_mask = mask << shift;
+       val = val << shift;
+
+       return snd_soc_update_bits_locked(codec, reg, val_mask, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
+
+/**
+ * snd_soc_get_volsw_range - single mixer get callback with range
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value, within a range, of a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
+       struct snd_ctl_elem_value *ucontrol)
+{
+       struct soc_mixer_control *mc =
+               (struct soc_mixer_control *)kcontrol->private_value;
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       unsigned int reg = mc->reg;
+       unsigned int shift = mc->shift;
+       int min = mc->min;
+       int max = mc->max;
+       unsigned int mask = (1 << fls(max)) - 1;
+       unsigned int invert = mc->invert;
+
+       ucontrol->value.integer.value[0] =
+               (snd_soc_read(codec, reg) >> shift) & mask;
+       if (invert)
+               ucontrol->value.integer.value[0] =
+                       max - ucontrol->value.integer.value[0];
+       ucontrol->value.integer.value[0] =
+               ucontrol->value.integer.value[0] - min;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
+
 /**
  * snd_soc_limit_volume - Set new limit to an existing volume control.
  *
@@ -3346,6 +3526,12 @@ int snd_soc_register_card(struct snd_soc_card *card)
                                link->name);
                        return -EINVAL;
                }
+               /* Codec DAI name must be specified */
+               if (!link->codec_dai_name) {
+                       dev_err(card->dev, "codec_dai_name not set for %s\n",
+                               link->name);
+                       return -EINVAL;
+               }
 
                /*
                 * Platform may be specified by either name or OF node, but
@@ -3358,12 +3544,24 @@ int snd_soc_register_card(struct snd_soc_card *card)
                }
 
                /*
-                * CPU DAI must be specified by 1 of name or OF node,
-                * not both or neither.
+                * CPU device may be specified by either name or OF node, but
+                * can be left unspecified, and will be matched based on DAI
+                * name alone..
+                */
+               if (link->cpu_name && link->cpu_of_node) {
+                       dev_err(card->dev,
+                               "Neither/both cpu name/of_node are set for %s\n",
+                               link->name);
+                       return -EINVAL;
+               }
+               /*
+                * At least one of CPU DAI name or CPU device name/node must be
+                * specified
                 */
-               if (!!link->cpu_dai_name == !!link->cpu_dai_of_node) {
+               if (!link->cpu_dai_name &&
+                   !(link->cpu_name || link->cpu_of_node)) {
                        dev_err(card->dev,
-                               "Neither/both cpu_dai name/of_node are set for %s\n",
+                               "Neither cpu_dai_name nor cpu_name/of_node are set for %s\n",
                                link->name);
                        return -EINVAL;
                }
@@ -3938,6 +4136,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                        dev_err(card->dev,
                                "Property '%s' index %d could not be read: %d\n",
                                propname, 2 * i, ret);
+                       kfree(routes);
                        return -EINVAL;
                }
                ret = of_property_read_string_index(np, propname,
@@ -3946,6 +4145,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                        dev_err(card->dev,
                                "Property '%s' index %d could not be read: %d\n",
                                propname, (2 * i) + 1, ret);
+                       kfree(routes);
                        return -EINVAL;
                }
        }