ASoC: SOF: amd: Fix for incorrect DMA ch status register offset

DMA ch status register offset change in acp7.0 platform

Incorrect DMA channel status register offset check lead to
firmware boot failure.

[   14.432497] snd_sof_amd_acp70 0000:c4:00.5: ------------[ DSP dump start ]------------
[   14.432533] snd_sof_amd_acp70 0000:c4:00.5: Firmware boot failure due to timeout
[   14.432549] snd_sof_amd_acp70 0000:c4:00.5: fw_state: SOF_FW_BOOT_IN_PROGRESS (3)
[   14.432610] snd_sof_amd_acp70 0000:c4:00.5: invalid header size 0x71c41000. FW oops is bogus
[   14.432626] snd_sof_amd_acp70 0000:c4:00.5: unexpected fault 0x71c40000 trace 0x71c40000
[   14.432642] snd_sof_amd_acp70 0000:c4:00.5: ------------[ DSP dump end ]------------
[   14.432657] snd_sof_amd_acp70 0000:c4:00.5: error: failed to boot DSP firmware -5
[   14.432672] snd_sof_amd_acp70 0000:c4:00.5: fw_state change: 3 -> 4
[   14.433260] dmic-codec dmic-codec: ASoC: Unregistered DAI 'dmic-hifi'
[   14.433319] snd_sof_amd_acp70 0000:c4:00.5: fw_state change: 4 -> 0
[   14.433358] snd_sof_amd_acp70 0000:c4:00.5: error: sof_probe_work failed err: -5

Update correct register offset for DMA ch status register.

Fixes: 490be7b ("ASoC: SOF: amd: add support for acp7.0 based platform")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20241106142658.1240929-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Venkata-Prasad-Potturu

sound/soc/sof/amd/acp.c

@@ -342,11 +342,19 @@ int acp_dma_status(struct acp_dev_data *adata, unsigned char ch)
 {
 	struct snd_sof_dev *sdev = adata->dev;
 	unsigned int val;
+	unsigned int acp_dma_ch_sts;
 	int ret = 0;
 
+	switch (adata->pci_rev) {
+	case ACP70_PCI_ID:
+		acp_dma_ch_sts = ACP70_DMA_CH_STS;
+		break;
+	default:
+		acp_dma_ch_sts = ACP_DMA_CH_STS;
+	}
 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32));
 	if (val & ACP_DMA_CH_RUN) {
-		ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_DMA_CH_STS, val, !val,
+		ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, acp_dma_ch_sts, val, !val,
 						    ACP_REG_POLL_INTERVAL,
 						    ACP_DMA_COMPLETE_TIMEOUT_US);
 		if (ret < 0)