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ASoC: tegra: Fix MBDRC bypass mode check
MBDRC supports different modes of operation. There is no configuration
required for bypass mode. The hw_params() call does not filter bypass
mode correctly and it leads to following Smatch static checker warning:
sound/soc/tegra/tegra210_mbdrc.c:778 tegra210_mbdrc_hw_params()
warn: bitwise AND condition is false here
Fix this condition by using proper mode mask and just return for bypass
mode.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 7358a803c7
("ASoC: tegra: Add Tegra210 based OPE driver")
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Link: https://lore.kernel.org/r/1655267914-24702-1-git-send-email-spujar@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -775,7 +775,9 @@ int tegra210_mbdrc_hw_params(struct snd_soc_component *cmpnt)
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regmap_read(ope->mbdrc_regmap, TEGRA210_MBDRC_CFG, &val);
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if (val & TEGRA210_MBDRC_CFG_MBDRC_MODE_BYPASS)
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val &= TEGRA210_MBDRC_CFG_MBDRC_MODE_MASK;
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if (val == TEGRA210_MBDRC_CFG_MBDRC_MODE_BYPASS)
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return 0;
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for (i = 0; i < MBDRC_NUM_BAND; i++) {
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