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path: root/sound/soc/codecs/wm_adsp.c
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Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
-rw-r--r--sound/soc/codecs/wm_adsp.c98
1 files changed, 51 insertions, 47 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 2a9b610f6d43..d3d32b501aca 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1030,8 +1030,8 @@ static int wm_coeff_write_acked_control(struct wm_coeff_ctl *ctl,
return -ETIMEDOUT;
}
-static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
- const void *buf, size_t len)
+static int wm_coeff_write_ctrl_raw(struct wm_coeff_ctl *ctl,
+ const void *buf, size_t len)
{
struct wm_adsp *dsp = ctl->dsp;
void *scratch;
@@ -1061,6 +1061,23 @@ static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
return 0;
}
+static int wm_coeff_write_ctrl(struct wm_coeff_ctl *ctl,
+ const void *buf, size_t len)
+{
+ int ret = 0;
+
+ if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
+ ret = -EPERM;
+ else if (buf != ctl->cache)
+ memcpy(ctl->cache, buf, len);
+
+ ctl->set = 1;
+ if (ctl->enabled && ctl->dsp->running)
+ ret = wm_coeff_write_ctrl_raw(ctl, buf, len);
+
+ return ret;
+}
+
static int wm_coeff_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
@@ -1071,16 +1088,7 @@ static int wm_coeff_put(struct snd_kcontrol *kctl,
int ret = 0;
mutex_lock(&ctl->dsp->pwr_lock);
-
- if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
- ret = -EPERM;
- else
- memcpy(ctl->cache, p, ctl->len);
-
- ctl->set = 1;
- if (ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_write_control(ctl, p, ctl->len);
-
+ ret = wm_coeff_write_ctrl(ctl, p, ctl->len);
mutex_unlock(&ctl->dsp->pwr_lock);
return ret;
@@ -1096,15 +1104,10 @@ static int wm_coeff_tlv_put(struct snd_kcontrol *kctl,
mutex_lock(&ctl->dsp->pwr_lock);
- if (copy_from_user(ctl->cache, bytes, size)) {
+ if (copy_from_user(ctl->cache, bytes, size))
ret = -EFAULT;
- } else {
- ctl->set = 1;
- if (ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_write_control(ctl, ctl->cache, size);
- else if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
- ret = -EPERM;
- }
+ else
+ ret = wm_coeff_write_ctrl(ctl, ctl->cache, size);
mutex_unlock(&ctl->dsp->pwr_lock);
@@ -1135,8 +1138,8 @@ static int wm_coeff_put_acked(struct snd_kcontrol *kctl,
return ret;
}
-static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
- void *buf, size_t len)
+static int wm_coeff_read_ctrl_raw(struct wm_coeff_ctl *ctl,
+ void *buf, size_t len)
{
struct wm_adsp *dsp = ctl->dsp;
void *scratch;
@@ -1166,29 +1169,37 @@ static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
return 0;
}
-static int wm_coeff_get(struct snd_kcontrol *kctl,
- struct snd_ctl_elem_value *ucontrol)
+static int wm_coeff_read_ctrl(struct wm_coeff_ctl *ctl, void *buf, size_t len)
{
- struct soc_bytes_ext *bytes_ext =
- (struct soc_bytes_ext *)kctl->private_value;
- struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
- char *p = ucontrol->value.bytes.data;
int ret = 0;
- mutex_lock(&ctl->dsp->pwr_lock);
-
if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
if (ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_read_control(ctl, p, ctl->len);
+ return wm_coeff_read_ctrl_raw(ctl, buf, len);
else
- ret = -EPERM;
+ return -EPERM;
} else {
if (!ctl->flags && ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
+ ret = wm_coeff_read_ctrl_raw(ctl, ctl->cache, ctl->len);
- memcpy(p, ctl->cache, ctl->len);
+ if (buf != ctl->cache)
+ memcpy(buf, ctl->cache, len);
}
+ return ret;
+}
+
+static int wm_coeff_get(struct snd_kcontrol *kctl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
+ char *p = ucontrol->value.bytes.data;
+ int ret;
+
+ mutex_lock(&ctl->dsp->pwr_lock);
+ ret = wm_coeff_read_ctrl(ctl, p, ctl->len);
mutex_unlock(&ctl->dsp->pwr_lock);
return ret;
@@ -1204,15 +1215,7 @@ static int wm_coeff_tlv_get(struct snd_kcontrol *kctl,
mutex_lock(&ctl->dsp->pwr_lock);
- if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
- if (ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_read_control(ctl, ctl->cache, size);
- else
- ret = -EPERM;
- } else {
- if (!ctl->flags && ctl->enabled && ctl->dsp->running)
- ret = wm_coeff_read_control(ctl, ctl->cache, size);
- }
+ ret = wm_coeff_read_ctrl_raw(ctl, ctl->cache, size);
if (!ret && copy_to_user(bytes, ctl->cache, size))
ret = -EFAULT;
@@ -1340,7 +1343,7 @@ static int wm_coeff_init_control_caches(struct wm_adsp *dsp)
* created so we don't need to do anything.
*/
if (!ctl->flags || (ctl->flags & WMFW_CTL_FLAG_READABLE)) {
- ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
+ ret = wm_coeff_read_ctrl_raw(ctl, ctl->cache, ctl->len);
if (ret < 0)
return ret;
}
@@ -1358,7 +1361,8 @@ static int wm_coeff_sync_controls(struct wm_adsp *dsp)
if (!ctl->enabled)
continue;
if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) {
- ret = wm_coeff_write_control(ctl, ctl->cache, ctl->len);
+ ret = wm_coeff_write_ctrl_raw(ctl, ctl->cache,
+ ctl->len);
if (ret < 0)
return ret;
}
@@ -2048,7 +2052,7 @@ int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type,
if (len > ctl->len)
return -EINVAL;
- ret = wm_coeff_write_control(ctl, buf, len);
+ ret = wm_coeff_write_ctrl(ctl, buf, len);
kcontrol = snd_soc_card_get_kcontrol(dsp->component->card, ctl->name);
snd_ctl_notify(dsp->component->card->snd_card,
@@ -2070,7 +2074,7 @@ int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,
if (len > ctl->len)
return -EINVAL;
- return wm_coeff_read_control(ctl, buf, len);
+ return wm_coeff_read_ctrl(ctl, buf, len);
}
EXPORT_SYMBOL_GPL(wm_adsp_read_ctl);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-09 10:07:55 +0000