On Sat, 05 Jul 2025 15:09:08 +0200, Baojun Xu wrote:

Calibration data was overwritten during parser, it cause issue.

It'd be helpful if you can write a bit more clearly what's the issue and what you've done here.

thanks,

Takashi

Fixes: 4fe238513407 ("ALSA: hda/tas2781: Move and unified the calibrated-data getting function for SPI and I2C into the tas2781_hda lib")

Signed-off-by: Baojun Xu baojun.xu@ti.com

sound/pci/hda/tas2781_hda.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/pci/hda/tas2781_hda.c b/sound/pci/hda/tas2781_hda.c index 5f1d4b3e9688..34217ce9f28e 100644 --- a/sound/pci/hda/tas2781_hda.c +++ b/sound/pci/hda/tas2781_hda.c @@ -44,7 +44,7 @@ static void tas2781_apply_calib(struct tasdevice_priv *p) TASDEVICE_REG(0, 0x13, 0x70), TASDEVICE_REG(0, 0x18, 0x7c), };

• unsigned int crc, oft;

• unsigned int crc, oft, node_num; unsigned char *buf; int i, j, k, l;

@@ -80,8 +80,9 @@ static void tas2781_apply_calib(struct tasdevice_priv *p) dev_err(p->dev, "%s: CRC error\n", __func__); return; }

• node_num = tmp_val[1];
  
  

• for (j = 0, k = 0; j < tmp_val[1]; j++) {
  

• for (j = 0, k = 0; j < node_num; j++) {
  oft = j * 6 + 3;
  if (tmp_val[oft] == TASDEV_UEFI_CALI_REG_ADDR_FLG) {
  	for (i = 0; i < TASDEV_CALIB_N; i++) {
  

@@ -99,8 +100,9 @@ static void tas2781_apply_calib(struct tasdevice_priv *p) }

		data[l] = k;

• 		oft++;
  	for (i = 0; i < TASDEV_CALIB_N * 4; i++)
  

• 			data[l + i] = data[4 * oft + i];
  

• 			data[l + i + 1] = data[4 * oft + i];
  	k++;
  }
  

  }

-- 2.43.0