Hello! I'm started playing i2c, but stuck with unknown error for me - 32 (EPIPE?): [ 5651.958763] cx231xx #0 at cx231xx_i2c_xfer: write stop addr=0x60 len=15: c0 00 00 00 00 01 01 01 01 01 01 02 00 00 01 [ 5651.958774] cx231xx #0: (pipe 0x80001000): OUT: 40 02 21 c0 00 00 0f 00 [ 5651.958775] >>> c0 00 00 00 00 01 01 01 01 01 01 02 00 00 01FAILED! [ 5651.959110] cx231xx 1-2:1.1: cx231xx_send_usb_command: failed with status --32 [ 5651.959111] cx231xx #0 at cx231xx_i2c_xfer: ERROR: -32 How this error can be fixed? :) On 04.07.16 21:47, Antti Palosaari wrote: > Hello > On 07/04/2016 09:38 PM, Oleh Kravchenko wrote: >> Hello Antti! >> >> I started reverse-engineering of my new TV tuner "Evromedia USB Full >> Hybrid Full HD" and discovered that start sequence is different from >> si2157.c: >> i2c_read_C1 >> 1 \xFE >> i2c_write_C0 >> 15 \xC0\x00\x00\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01 >> >> Do you familiar with this revision? >> Should I merge my changes to si2158.c? >> Or define another driver? > > According to chip markings those are tuner Si2158-A20 and demod > Si2168-A30. Both are supported already by si2157 and si2168 drivers. > > Difference is just some settings. You need to identify which setting is > wrong and add that to configuration options. It should be pretty easy to > find it from the I2C dumps and just testing. > > regards > Antti > -- 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
