ALSA: hda: tas2781-spi: Fix error code in tas2781_read_acpi()

Propagate the error code from devm_gpiod_get_index_optional().  The
current code returns success.

Fixes: bb5f86e ("ALSA: hda/tas2781: Add tas2781 hda SPI driver")
Signed-off-by: Dan Carpenter <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>

Author: Dan Carpenter

sound/pci/hda/tas2781_hda_spi.c

@@ -447,6 +447,7 @@ static int tas2781_read_acpi(struct tas2781_hda *tas_hda,
 		p->reset = devm_gpiod_get_index_optional(physdev, "reset",
 			p->index, GPIOD_OUT_LOW);
 		if (IS_ERR(p->reset)) {
+			ret = PTR_ERR(p->reset);
 			dev_err_probe(p->dev, ret, "Failed on reset GPIO\n");
 			goto err;
 		}