ASoC: tas2781: Fix occasional calibration failture

The root cause is that TAS2781 internal register is not unlocked
before writing data into TAS2781_PRM_TEST_57_REG.

Fixes: 49e2e35 ("ASoC: tas2781: Add Calibration Kcontrols for Chromebook")
Signed-off-by: Shenghao Ding <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Shenghao-Ding

sound/soc/codecs/tas2781-i2c.c

@@ -78,7 +78,7 @@ static const struct bulk_reg_val tas2781_cali_start_reg[] = {
 	X2781_CL_STT_VAL(TAS2781_PRM_INT_MASK_REG, 0xfe, false),
 	X2781_CL_STT_VAL(TAS2781_PRM_CLK_CFG_REG, 0xdd, false),
 	X2781_CL_STT_VAL(TAS2781_PRM_RSVD_REG, 0x20, false),
-	X2781_CL_STT_VAL(TAS2781_PRM_TEST_57_REG, 0x14, false),
+	X2781_CL_STT_VAL(TAS2781_PRM_TEST_57_REG, 0x14, true),
 	X2781_CL_STT_VAL(TAS2781_PRM_TEST_62_REG, 0x45, true),
 	X2781_CL_STT_VAL(TAS2781_PRM_PVDD_UVLO_REG, 0x03, false),
 	X2781_CL_STT_VAL(TAS2781_PRM_CHNL_0_REG, 0xa8, false),