ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot

[ Upstream commit 6d9b641 ]

Update chip data using dev_get_drvdata(dev->parent) to fix
NULL pointer deref in acp_i2s_set_tdm_slot.

Fixes: cd60dec ("ASoC: amd: acp: Refactor TDM slots selction based on acp revision id")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250425060144.1773265-2-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: Venkata-Prasad-Potturu

sound/soc/amd/acp/acp-i2s.c

@@ -101,7 +101,7 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
 	struct acp_stream *stream;
 	int slot_len, no_of_slots;
 
-	chip = dev_get_platdata(dev);
+	chip = dev_get_drvdata(dev->parent);
 	switch (slot_width) {
 	case SLOT_WIDTH_8:
 		slot_len = 8;