Instead of open-coding the intersecting of two rate masks (and getting slightly
wrong for some of the corner cases) use the new snd_pcm_rate_mask_intersect()
helper function.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
                hw->formats &= codec_stream->formats & cpu_stream->formats;
        else
                hw->formats = codec_stream->formats & cpu_stream->formats;
-       hw->rates = codec_stream->rates & cpu_stream->rates;
-       if (codec_stream->rates
-               & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
-               hw->rates |= cpu_stream->rates;
-       if (cpu_stream->rates
-               & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
-               hw->rates |= codec_stream->rates;
+       hw->rates = snd_pcm_rate_mask_intersect(codec_stream->rates,
+               cpu_stream->rates);
 
        hw->rate_min = 0;
        hw->rate_max = UINT_MAX;