I2C_A_ADC_READ 506 sound/pci/ca0106/ca0106.h #define I2C_A_ADC_READ 0x00000001 //To perform a read operation I2C_A_ADC_READ 55 sound/pci/emu10k1/p17v.h #define I2C_A_ADC_READ 0x00000001 /*To perform a read operation */