hwmon: (aquacomputer_d5next) Support writing multiple control values at once

Add new function aqc_set_ctrl_vals() to support changing multiple control
values at once while sending only one control report.

Signed-off-by: Leonard Anderweit <leonard.anderweit@gmail.com>
Link: https://lore.kernel.org/r/20230214220221.15003-3-leonard.anderweit@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
index babfd99..f0c036d 100644 (file)
--- a/drivers/hwmon/aquacomputer_d5next.c
+++ b/drivers/hwmon/aquacomputer_d5next.c
@@ -574,9 +574,9 @@ unlock_and_return:
        return ret;
 }
 
-static int aqc_set_ctrl_val(struct aqc_data *priv, int offset, long val, int type)
+static int aqc_set_ctrl_vals(struct aqc_data *priv, int *offsets, long *vals, int *types, int len)
 {
-       int ret;
+       int ret, i;
 
        mutex_lock(&priv->mutex);
 
@@ -584,15 +584,17 @@ static int aqc_set_ctrl_val(struct aqc_data *priv, int offset, long val, int typ
        if (ret < 0)
                goto unlock_and_return;
 
-       switch (type) {
-       case AQC_BE16:
-               put_unaligned_be16((s16)val, priv->buffer + offset);
-               break;
-       case AQC_8:
-               priv->buffer[offset] = (u8)val;
-               break;
-       default:
-               ret = -EINVAL;
+       for (i = 0; i < len; i++) {
+               switch (types[i]) {
+               case AQC_BE16:
+                       put_unaligned_be16((s16)vals[i], priv->buffer + offsets[i]);
+                       break;
+               case AQC_8:
+                       priv->buffer[offsets[i]] = (u8)vals[i];
+                       break;
+               default:
+                       ret = -EINVAL;
+               }
        }
 
        if (ret < 0)
@@ -605,6 +607,11 @@ unlock_and_return:
        return ret;
 }
 
+static int aqc_set_ctrl_val(struct aqc_data *priv, int offset, long val, int type)
+{
+       return aqc_set_ctrl_vals(priv, &offset, &val, &type, 1);
+}
+
 static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel)
 {
        const struct aqc_data *priv = data;