On Mon, 5 Oct 2009 11:50:31 +0300, Aleksandr V. Piskunov wrote: > > Try: > > > > # modprobe ivtv newi2c=1 > > > > to see if that works first. > > > > udelay=10, newi2c=0 => BAD > udelay=10, newi2c=1 => BAD > udelay=5, newi2c=0 => OK > udelay=5, newi2c=1 => BAD The udelay value is only used by i2c-algo-bit, not newi2c, so the last test was not needed. > newi2c=1 also throws some log messages, not sure if its ok or not. > > Oct 5 11:41:16 moon kernel: [45430.916449] ivtv: Start initialization, version 1.4.1 > Oct 5 11:41:16 moon kernel: [45430.916618] ivtv0: Initializing card 0 > Oct 5 11:41:16 moon kernel: [45430.916628] ivtv0: Autodetected AVerTV MCE 116 Plus card (cx23416 based) > Oct 5 11:41:16 moon kernel: [45430.918887] ivtv 0000:03:06.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20 > Oct 5 11:41:16 moon kernel: [45430.919229] ivtv0: i2c: i2c init > Oct 5 11:41:16 moon kernel: [45430.919234] ivtv0: i2c: setting scl and sda to 1 > Oct 5 11:41:16 moon kernel: [45430.937745] cx25840 0-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0) > Oct 5 11:41:16 moon kernel: [45430.949145] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.951628] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.954191] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.956724] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.959211] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.961749] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.964236] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.966722] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.966786] ivtv0: i2c: i2c write to 43 failed > Oct 5 11:41:16 moon kernel: [45430.971106] tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0) > Oct 5 11:41:16 moon kernel: [45430.974404] wm8739 0-001a: chip found @ 0x34 (ivtv i2c driver #0) > Oct 5 11:41:16 moon kernel: [45430.986328] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.988871] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.991355] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.993904] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.996427] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45430.998938] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.001477] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.003968] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.004053] ivtv0: i2c: i2c write to 18 failed > Oct 5 11:41:16 moon kernel: [45431.011333] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.013883] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.016418] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.018911] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.021463] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.023937] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.026478] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.028998] ivtv0: i2c: Slave did not ack > Oct 5 11:41:16 moon kernel: [45431.029063] ivtv0: i2c: i2c write to 71 failed > Oct 5 11:41:16 moon kernel: [45431.031468] ivtv0: i2c: Slave did not ack > .... That would be I2C probe attempts such as the ones done by ir-kbd-i2c. Nothing to be afraid of. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
