ASoC: Fix WM8580 volume update handling for large register changes

The driver is out of sync with the core functions it is using.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 41aab4a7a254..9f6be3d31ac0 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -268,9 +268,11 @@ static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
 static int wm8580_out_vu(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);
-        int reg = kcontrol->private_value & 0xff;
-        int reg2 = (kcontrol->private_value >> 24) & 0xff;
+        unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
         int ret;
         u16 val;
 
@@ -292,15 +294,17 @@ static int wm8580_out_vu(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
-#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \
+#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \
+                                    xinvert, tlv_array)                 \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
                 SNDRV_CTL_ELEM_ACCESS_READWRITE,  \
         .tlv.p = (tlv_array), \
         .info = snd_soc_info_volsw_2r, \
         .get = snd_soc_get_volsw_2r, .put = wm8580_out_vu, \
-        .private_value = (reg_left) | ((shift) << 8)  |         \
-                ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
+        .private_value = (unsigned long)&(struct soc_mixer_control) \
+                {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
+                .max = xmax, .invert = xinvert} }
 
 static const struct snd_kcontrol_new wm8580_snd_controls[] = {
 SOC_WM8580_OUT_DOUBLE_R_TLV("DAC1 Playback Volume",