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

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

Fixes: cd60dec8994c ("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>

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index a38409dd1d3409b22b0ee62fe3b224ae2c8b6521..70fa54d568ef68e268ccbf32f2304abd429fce53 100644 (file)
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -97,7 +97,7 @@ 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;