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ALSA: hda/tas2781: fix wrong calibrated data order 

commit 3beddef84d90590270465a907de1cfe2539ac70d upstream.

Wrong calibration data order cause sound too low in some device.
Fix wrong calibrated data order, add calibration data converssion
by get_unaligned_be32() after reading from UEFI.

Fixes: 5be27f1e3e ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Baojun Xu <baojun.xu@ti.com>
Link: https://patch.msgid.link/20240813043749.108-1-shenghao-ding@ti.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baojun Xu 2024-08-13 12:37:48 +08:00 committed by Greg Kroah-Hartman
parent 18b3ad2a3c
commit 31ba13202c
1 changed files with 9 additions and 5 deletions
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14
sound/pci/hda/tas2781_hda_i2c.c
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@ -2,10 +2,12 @@
//
// TAS2781 HDA I2C driver
//
// Copyright 2023 Texas Instruments, Inc.
// Copyright 2023 - 2024 Texas Instruments, Inc.
//
// Author: Shenghao Ding <shenghao-ding@ti.com>
// Current maintainer: Baojun Xu <baojun.xu@ti.com>
#include <asm/unaligned.h>
#include <linux/acpi.h>
#include <linux/crc8.h>
#include <linux/crc32.h>
@ -425,20 +427,22 @@ static void tas2781_apply_calib(struct tasdevice_priv *tas_priv)
static const unsigned char rgno_array[CALIB_MAX] = {
0x74, 0x0c, 0x14, 0x70, 0x7c,
};
unsigned char *data;
int offset = 0;
int i, j, rc;
__be32 data;
for (i = 0; i < tas_priv->ndev; i++) {
data = tas_priv->cali_data.data +
i * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
for (j = 0; j < CALIB_MAX; j++) {
data = get_unaligned_be32(
&tas_priv->cali_data.data[offset]);
rc = tasdevice_dev_bulk_write(tas_priv, i,
TASDEVICE_REG(0, page_array[j], rgno_array[j]),
&(data[4 * j]), 4);
(unsigned char *)&data, 4);
if (rc < 0)
dev_err(tas_priv->dev,
"chn %d calib %d bulk_wr err = %d\n",
i, j, rc);
offset += 4;
}
}
}