TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 154 sound/soc/tegra/tegra30_i2s.c if (bitcnt < 0 || bitcnt > TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US) TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 103 sound/soc/tegra/tegra30_i2s.h #define TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_MASK (TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US << TEGRA30_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT)