We should be finishing the loop with timeout set to zero but because
this is a post-op we finish with timeout == -1.
Fixes: 1082e2703a2d ("ASoC: NUC900/audio: add nuc900 audio driver support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 
        /* polling the AC_R_FINISH */
        while (!(AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_R_FINISH)
-                                                               && timeout--)
+                                                               && --timeout)
                mdelay(1);
 
        if (!timeout) {
 
        /* polling the AC_W_FINISH */
        while ((AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_W_FINISH)
-                                                               && timeout--)
+                                                               && --timeout)
                mdelay(1);
 
        if (!timeout)