ASoC: hdmi-codec: let the driver support HDMI sink

Devices like mobilephones, computers are typically used as
HDMI sources, but devices like TV, navigators will be HDMI
sinks.

for auto scenerios, In-Vehicle Infotainment(IVI) can be HDMI
sink to display movies from mobilephones.
Signed-off-by: Rongjun Ying <Rongjun.Ying@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/hdmi.c

@@ -37,6 +37,17 @@ static struct snd_soc_dai_driver hdmi_codec_dai = {
 		.formats = SNDRV_PCM_FMTBIT_S16_LE |
 			SNDRV_PCM_FMTBIT_S24_LE,
 	},
+	.capture = {
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_32000 |
+			SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+			SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
+			SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			SNDRV_PCM_FMTBIT_S24_LE,
+	},
+
 };
 
 static int hdmi_codec_probe(struct platform_device *pdev)