Hi, Load the module with i2c_debug on: From: em28xx-i2c.c: 693 if (i2c_debug) { 694 /* Display eeprom content */ 695 print_hex_dump(KERN_INFO, "eeprom ", DUMP_PREFIX_OFFSET, 696 16, 1, data, len, true); 697 698 if (dev->eeprom_addrwidth_16bit) 699 em28xx_info("eeprom %06x: ... (skipped)\n", 256); 700 } modprobe em28xx i2c_debug=1 should do it. Cheers, -olli On 8 March 2016 at 05:03, Alexandre-Xavier Labonté-Lamoureux <alexandrexavier@xxxxxxx> wrote: > Hello everyone, > > On the kernel version 4.3.3, when I do dmesg to see the content of the > EEPROM of the device that I just connected, I don't see it. > > I only see this: https://justpaste.it/qchd > > On older kernel versions like 3.10, I had what I wanted: > https://justpaste.it/qchh > > i2c eeprom 00: 1a eb 67 95 1a eb 51 50 50 00 20 03 82 34 6a 04 > i2c eeprom 10: 6e 14 27 57 06 02 00 00 00 00 00 00 00 00 00 00 > i2c eeprom 20: 02 00 01 00 f0 10 01 00 b8 00 00 00 5b 00 00 00 > i2c eeprom 30: 00 00 20 40 20 80 02 20 01 01 00 00 00 00 00 00 > i2c eeprom 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 c4 00 00 > i2c eeprom 50: 00 a2 00 87 81 00 00 00 00 00 00 00 00 00 00 00 > i2c eeprom 60: 00 00 00 00 00 00 00 00 00 00 04 03 30 00 14 03 > i2c eeprom 70: 49 00 4f 00 4e 00 20 00 41 00 75 00 64 00 69 00 > i2c eeprom 80: 6f 00 34 03 49 00 4f 00 4e 00 20 00 41 00 75 00 > i2c eeprom 90: 64 00 69 00 6f 00 20 00 55 00 53 00 42 00 20 00 > i2c eeprom a0: 32 00 38 00 36 00 31 00 20 00 44 00 65 00 76 00 > i2c eeprom b0: 69 00 63 00 65 00 00 00 00 00 00 00 00 00 00 00 > i2c eeprom c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > i2c eeprom d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > i2c eeprom f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > Why do newer kernels print less information to dmesg? How do I do if I want > to see the content of my EEPROM on kernel v4.3.3 ? > > Thanks in advance, > Alexandre-Xavier -- 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