ASoC: rt1308-sdw: add the default value of register 0xc320

The driver missed the default value of register 0xc320.
This patch adds that default value to avoid the error messages
when the driver went to suspend mode already.

BugLink: https://github.com/thesofproject/linux/issues/3651Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20220520090205.25857-1-shumingf@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt1308-sdw.h

@@ -140,6 +140,7 @@ static const struct reg_default rt1308_reg_defaults[] = {
 	{ 0x3008, 0x02 },
 	{ 0x300a, 0x00 },
 	{ 0xc003 | (RT1308_DAC_SET << 4), 0x00 },
+	{ 0xc000 | (RT1308_POWER << 4), 0x00 },
 	{ 0xc001 | (RT1308_POWER << 4), 0x00 },
 	{ 0xc002 | (RT1308_POWER << 4), 0x00 },
 };