diff options
Diffstat (limited to 'sound/soc/sof/control.c')
| -rw-r--r-- | sound/soc/sof/control.c | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c index 0352d2b61358..a5dd728c580a 100644 --- a/sound/soc/sof/control.c +++ b/sound/soc/sof/control.c @@ -114,6 +114,28 @@ int snd_sof_volume_put(struct snd_kcontrol *kcontrol, return change; } +int snd_sof_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + struct soc_mixer_control *sm = (struct soc_mixer_control *)kcontrol->private_value; + struct snd_sof_control *scontrol = sm->dobj.private; + unsigned int channels = scontrol->num_channels; + int platform_max; + + if (!sm->platform_max) + sm->platform_max = sm->max; + platform_max = sm->platform_max; + + if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + + uinfo->count = channels; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = platform_max - sm->min; + return 0; +} + int snd_sof_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -309,7 +331,7 @@ int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, * the length (as bytes) is needed to know the correct copy * length of data from tlvd->tlv. */ - if (copy_from_user(&header, tlvd, sizeof(const struct snd_ctl_tlv))) + if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv))) return -EFAULT; /* make sure TLV info is consistent */ @@ -351,7 +373,7 @@ int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, } /* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */ - if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) { + if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { dev_err_ratelimited(scomp->dev, "error: Mismatch in ABI data size (truncated?).\n"); return -EINVAL; } @@ -405,15 +427,15 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _ goto out; /* check data size doesn't exceed max coming from topology */ - if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) { + if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n", cdata->data->size, - be->max - sizeof(const struct sof_abi_hdr)); + be->max - sizeof(struct sof_abi_hdr)); ret = -EINVAL; goto out; } - data_size = cdata->data->size + sizeof(const struct sof_abi_hdr); + data_size = cdata->data->size + sizeof(struct sof_abi_hdr); /* make sure we don't exceed size provided by user space for data */ if (data_size > size) { @@ -423,7 +445,7 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _ header.numid = scontrol->cmd; header.length = data_size; - if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv))) { + if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) { ret = -EFAULT; goto out; } @@ -466,14 +488,14 @@ int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, cdata->data->abi = SOF_ABI_VERSION; /* check data size doesn't exceed max coming from topology */ - if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) { + if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) { dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n", cdata->data->size, - be->max - sizeof(const struct sof_abi_hdr)); + be->max - sizeof(struct sof_abi_hdr)); return -EINVAL; } - data_size = cdata->data->size + sizeof(const struct sof_abi_hdr); + data_size = cdata->data->size + sizeof(struct sof_abi_hdr); /* make sure we don't exceed size provided by user space for data */ if (data_size > size) @@ -481,7 +503,7 @@ int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, header.numid = scontrol->cmd; header.length = data_size; - if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv))) + if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) return -EFAULT; if (copy_to_user(tlvd->tlv, cdata->data, data_size)) |