We don't use the step size so there's no need to work it out.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
        size_t buf_size;
        char *start = buf;
        unsigned long reg, value;
-       int step = 1;
        struct snd_soc_codec *codec = file->private_data;
 
        buf_size = min(count, (sizeof(buf)-1));
                return -EFAULT;
        buf[buf_size] = 0;
 
-       if (codec->driver->reg_cache_step)
-               step = codec->driver->reg_cache_step;
-
        while (*start == ' ')
                start++;
        reg = simple_strtoul(start, &start, 16);