ASoC: spdif: extend supported rates to 768kHz

IEC958-3 defines sampling rate up to 768 kHz.
Such rates maybe used with high bandwidth IEC958 links, such as eARC.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: David Rhodes <drhodes@opensource.cirrus.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240905-alsa-12-24-128-v1-13-8371948d3921@baylibre.com

Author: jbrun3t

sound/soc/codecs/spdif_receiver.c

@@ -28,7 +28,8 @@ static const struct snd_soc_dapm_route dir_routes[] = {
 	{ "Capture", NULL, "spdif-in" },
 };
 
-#define STUB_RATES	SNDRV_PCM_RATE_8000_192000
+#define STUB_RATES	(SNDRV_PCM_RATE_8000_768000 | \
+			 SNDRV_PCM_RATE_128000)
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
 			SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE  | \

sound/soc/codecs/spdif_transmitter.c

@@ -21,7 +21,8 @@
 
 #define DRV_NAME "spdif-dit"
 
-#define STUB_RATES	SNDRV_PCM_RATE_8000_192000
+#define STUB_RATES	(SNDRV_PCM_RATE_8000_768000 | \
+			 SNDRV_PCM_RATE_128000)
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
 			SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE  | \