]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
ALSA: hda/tas2781: Fix sound abnormal issue on some SPI device
authorBaojun Xu <baojun.xu@ti.com>
Sat, 18 Apr 2026 05:50:30 +0000 (13:50 +0800)
committerTakashi Iwai <tiwai@suse.de>
Mon, 20 Apr 2026 15:59:19 +0000 (17:59 +0200)
In the SPI driver probe, the chip ID must be set to TAS2781. Without this
initialization, calibration data fails to load correctly, causing audio
abnormalities on some devices.
And update the register bulk read API to handle the distinct requirements
of SPI and I2C devices.

Fixes: 05ac3846ffe5 ("ALSA: hda/tas2781: A workaround solution to lower-vol issue among lower calibrated-impedance micro-speaker on TAS2781")
Signed-off-by: Baojun Xu <baojun.xu@ti.com>
Link: https://patch.msgid.link/20260418055030.765-1-baojun.xu@ti.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/hda/codecs/side-codecs/tas2781_hda_spi.c
sound/soc/codecs/tas2781-fmwlib.c

index f860e0eb7602a720b62f61a2553a09606f895cec..560f2385212dd5155d2b7c41e21a05c4285f0895 100644 (file)
@@ -788,6 +788,7 @@ static int tas2781_hda_spi_probe(struct spi_device *spi)
        }
        if (strstr(dev_name(&spi->dev), "TXNW2781")) {
                device_name = "TXNW2781";
+               tas_hda->priv->chip_id = TAS2781;
        } else {
                dev_err(tas_priv->dev, "Unmatched spi dev %s\n",
                        dev_name(&spi->dev));
index a1d86bd309f4868327d403c8b6fbad205073c1ef..885e0b6fed003ab42b39656fc8bc41d11b477151 100644 (file)
@@ -2487,7 +2487,7 @@ static int tas2781_cali_preproc(struct tasdevice_priv *priv, int i)
                if (spec == NULL)
                        return -ENOMEM;
                priv->tasdevice[i].cali_specific = spec;
-               rc = tasdevice_dev_bulk_read(priv, i, p->r0_reg, r0_deflt, 4);
+               rc = priv->dev_bulk_read(priv, i, p->r0_reg, r0_deflt, 4);
                if (rc < 0) {
                        dev_err(priv->dev, "invalid RE from %d = %d\n", i, rc);
                        return rc;
@@ -2511,9 +2511,8 @@ static int tas2781_cali_preproc(struct tasdevice_priv *priv, int i)
                                TASDEVICE_REG(0, 0x1b, 0x34) :
                                TASDEVICE_REG(0, 0x18, 0x1c);
 
-                       rc = tasdevice_dev_bulk_read(priv, i,
-                                                     spec->sin_gni_reg,
-                                                     spec->sin_gni, 4);
+                       rc = priv->dev_bulk_read(priv, i, spec->sin_gni_reg,
+                                                spec->sin_gni, 4);
                        if (rc < 0) {
                                dev_err(priv->dev, "wrong sinegaini %d = %d\n",
                                        i, rc);