[PATCH AUTOSEL 5.10 12/17] ASoC: ti: j721e-evm: Check for not initialized parent_clk_id

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From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>

[ Upstream commit 82d28b67f780910f816fe1cfb0f676fc38c4cbb3 ]

During probe the parent_clk_id is set to -1 which should not be used to
array index within hsdiv_rates[].

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
Link: https://lore.kernel.org/r/20210717122820.1467-3-peter.ujfalusi@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 sound/soc/ti/j721e-evm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c
index 017c4ad11ca6..265bbc5a2f96 100644
--- a/sound/soc/ti/j721e-evm.c
+++ b/sound/soc/ti/j721e-evm.c
@@ -197,7 +197,7 @@ static int j721e_configure_refclk(struct j721e_priv *priv,
 		return ret;
 	}
 
-	if (priv->hsdiv_rates[domain->parent_clk_id] != scki) {
+	if (domain->parent_clk_id == -1 || priv->hsdiv_rates[domain->parent_clk_id] != scki) {
 		dev_dbg(priv->dev,
 			"%s configuration for %u Hz: %s, %dxFS (SCKI: %u Hz)\n",
 			audio_domain == J721E_AUDIO_DOMAIN_CPB ? "CPB" : "IVI",
-- 
2.30.2




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