ASoC: core: Combine snd_soc_put_volsw/put_volsw_2r functions

Handle the put_volsw/put_volsw_2r in one function.

To avoid build breakage in twl6040 keep the
snd_soc_put_volsw_2r as define, and map it snd_soc_put_volsw.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 19 insertions, 47 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1a13d530f053..2a2507627520 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2327,7 +2327,8 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
  * @kcontrol: mixer control
  * @ucontrol: control element information
  *
- * Callback to set the value of a single mixer control.
+ * Callback to set the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
  *
  * Returns 0 for success.
  */
@@ -2338,73 +2339,44 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
                 (struct soc_mixer_control *)kcontrol->private_value;
         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
         unsigned int reg = mc->reg;
+        unsigned int reg2 = mc->rreg;
         unsigned int shift = mc->shift;
         unsigned int rshift = mc->rshift;
         int max = mc->max;
         unsigned int mask = (1 << fls(max)) - 1;
         unsigned int invert = mc->invert;
-        unsigned int val, val2, val_mask;
+        int err;
+        bool type_2r = 0;
+        unsigned int val2 = 0;
+        unsigned int val, val_mask;
 
         val = (ucontrol->value.integer.value[0] & mask);
         if (invert)
                 val = max - val;
         val_mask = mask << shift;
         val = val << shift;
-        if (shift != rshift) {
+        if (snd_soc_volsw_is_stereo(mc)) {
                 val2 = (ucontrol->value.integer.value[1] & mask);
                 if (invert)
                         val2 = max - val2;
-                val_mask |= mask << rshift;
-                val |= val2 << rshift;
-        }
-        return snd_soc_update_bits_locked(codec, reg, val_mask, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
-
-/**
- * snd_soc_put_volsw_2r - double mixer set callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw_2r(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 reg2 = mc->rreg;
-        unsigned int shift = mc->shift;
-        int max = mc->max;
-        unsigned int mask = (1 << fls(max)) - 1;
-        unsigned int invert = mc->invert;
-        int err;
-        unsigned int val, val2, val_mask;
-
-        val_mask = mask << shift;
-        val = (ucontrol->value.integer.value[0] & mask);
-        val2 = (ucontrol->value.integer.value[1] & mask);
-
-        if (invert) {
-                val = max - val;
-                val2 = max - val2;
+                if (reg == reg2) {
+                        val_mask |= mask << rshift;
+                        val |= val2 << rshift;
+                } else {
+                        val2 = val2 << shift;
+                        type_2r = 1;
+                }
         }
-
-        val = val << shift;
-        val2 = val2 << shift;
-
         err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
         if (err < 0)
                 return err;
 
-        err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
+        if (type_2r)
+                err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
+
         return err;
 }
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
 
 /**
  * snd_soc_info_volsw_s8 - signed mixer info callback