ALSA: vxpocket: Use container_of()

[karo-tx-linux.git] / sound / pcmcia / vx / vxp_mixer.c

diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c
index a4a664259f0dab2f9a7817e741c2564871582274..1ca3eef9e3051593ca737d70e8bd15b39ee4f099 100644 (file)
--- a/sound/pcmcia/vx/vxp_mixer.c
+++ b/sound/pcmcia/vx/vxp_mixer.c
@@ -43,7 +43,7 @@ static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
-       struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+       struct snd_vxpocket *chip = to_vxpocket(_chip);
        ucontrol->value.integer.value[0] = chip->mic_level;
        return 0;
 }
@@ -51,7 +51,7 @@ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
 static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
-       struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+       struct snd_vxpocket *chip = to_vxpocket(_chip);
        unsigned int val = ucontrol->value.integer.value[0];
 
        if (val > MIC_LEVEL_MAX)
@@ -88,7 +88,7 @@ static struct snd_kcontrol_new vx_control_mic_level = {
 static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
-       struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+       struct snd_vxpocket *chip = to_vxpocket(_chip);
        ucontrol->value.integer.value[0] = chip->mic_level;
        return 0;
 }
@@ -96,7 +96,7 @@ static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
 static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
-       struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+       struct snd_vxpocket *chip = to_vxpocket(_chip);
        int val = !!ucontrol->value.integer.value[0];
        mutex_lock(&_chip->mixer_mutex);
        if (chip->mic_level != val) {
@@ -120,7 +120,7 @@ static struct snd_kcontrol_new vx_control_mic_boost = {
 
 int vxp_add_mic_controls(struct vx_core *_chip)
 {
-       struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+       struct snd_vxpocket *chip = to_vxpocket(_chip);
        int err;
 
        /* mute input levels */