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UPSTREAM: ASoC: tas2781: Fix occasional calibration failture

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

Fixes: 49e2e353fb ("ASoC: tas2781: Add Calibration Kcontrols for Chromebook")
Change-Id: I409c2be114714b7330d982248747929ad8a8e48e
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20241227074909.1974-1-shenghao-ding@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit cf86e0ae60a225e2c7921ced755e922da9012bea)
Bug: 437790888
Signed-off-by: Hubert Mazur <hmazur@google.com>
This commit is contained in:
Shenghao Ding
2024-12-27 15:49:09 +08:00
committed by Todd Kjos
parent b9deed5548
commit 735ed21f04
1 changed files with 1 additions and 1 deletions
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sound/soc/codecs/tas2781-i2c.c
+1 -1
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@@ -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),