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authorTakashi Iwai <tiwai@suse.de>2025-09-02 19:18:20 +0200
committerMark Brown <broonie@kernel.org>2025-09-08 18:39:11 +0100
commitfba404e4b4af4f4f747bb0e41e9fff7d03c7bcc0 (patch)
treefe75f742be9ac5571061fd412c96a221feaa0f84
parentb20eb0e8de383116f1e1470d74da2a3c83c4e345 (diff)
downloadlinux-fba404e4b4af4f4f747bb0e41e9fff7d03c7bcc0.tar.gz
linux-fba404e4b4af4f4f747bb0e41e9fff7d03c7bcc0.zip
ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping
When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an error message but leaves as is. This may lead to unepxected results like OOB access. This patch corrects the input mapping to the certain default value if an invalid value is passed. Fixes: 063422ca2a9d ("ASoC: Intel: bytcr_rt5640: Set card long_name based on quirks") Signed-off-by: Takashi Iwai <tiwai@suse.de> Message-ID: <20250902171826.27329-3-tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/intel/boards/bytcr_rt5640.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 0f3b8f44e701..bc846558480e 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -68,7 +68,8 @@ enum {
BYT_RT5640_OVCD_SF_1P5 = (RT5640_OVCD_SF_1P5 << 13),
};
-#define BYT_RT5640_MAP(quirk) ((quirk) & GENMASK(3, 0))
+#define BYT_RT5640_MAP_MASK GENMASK(3, 0)
+#define BYT_RT5640_MAP(quirk) ((quirk) & BYT_RT5640_MAP_MASK)
#define BYT_RT5640_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4)
#define BYT_RT5640_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8)
#define BYT_RT5640_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13)
@@ -140,7 +141,9 @@ static void log_quirks(struct device *dev)
dev_info(dev, "quirk NO_INTERNAL_MIC_MAP enabled\n");
break;
default:
- dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
+ dev_warn_once(dev, "quirk sets invalid input map: 0x%x, default to DMIC1_MAP\n", map);
+ byt_rt5640_quirk &= ~BYT_RT5640_MAP_MASK;
+ byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP;
break;
}
if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1)