ASoC: support all possible sample rates in the WM8776 driver

The WM8776 supports a continuous range of sample rates rather than
discrete values and supports a wider range of sample rates on the
playback path than is currently supported.  Update the constraints on
the DAIs to reflect this.
Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8776.c

@@ -322,11 +322,6 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
 	return 0;
 }
 
-#define WM8776_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
-		      SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
-		      SNDRV_PCM_RATE_96000)
-
-
 #define WM8776_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
@@ -351,7 +346,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
 			.stream_name = "Playback",
 			.channels_min = 2,
 			.channels_max = 2,
-			.rates = WM8776_RATES,
+			.rates = SNDRV_PCM_RATE_CONTINUOUS,
+			.rate_min = 32000,
+			.rate_max = 192000,
 			.formats = WM8776_FORMATS,
 		},
 		.ops = &wm8776_dac_ops,
@@ -363,7 +360,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
 			.stream_name = "Capture",
 			.channels_min = 2,
 			.channels_max = 2,
-			.rates = WM8776_RATES,
+			.rates = SNDRV_PCM_RATE_CONTINUOUS,
+			.rate_min = 32000,
+			.rate_max = 96000,
 			.formats = WM8776_FORMATS,
 		},
 		.ops = &wm8776_adc_ops,