Hello,
we have this error while using WP7702:
Jun 19 20:14:35 swi-mdm9x28-wp user.err kernel: [ 809.949792] i2c-msm-v2 78b8000.i2c: BUS ERROR:noisy bus/unexpected start/stop tag: msgs(n:1 cur:0 tx) bc(rx:0 tx:2) mode:FIFO slv_addr:0x3a MSTR_STS:0x001121c4 OPER:0x00000080
and finally a non working i2c bus with this error:
Jun 19 20:14:36 swi-mdm9x28-wp user.err kernel: [ 810.672942] Failed to send request c5 (-105)
Jun 19 20:14:36 swi-mdm9x28-wp user.err kernel: [ 810.676981] MCU Protocol Command 0xC5 failed, retry=2
Jun 19 20:14:40 swi-mdm9x28-wp user.info kernel: [ 815.030998] i2c-msm-v2 78b8000.i2c: Bus recovery success after 4 retries
Jun 19 20:14:40 swi-mdm9x28-wp user.err kernel: [ 815.031075] Failed to read from I2C -107 (16)
Jun 19 20:14:40 swi-mdm9x28-wp user.err kernel: [ 815.035379] Failed to recv response
Jun 19 20:14:40 swi-mdm9x28-wp user.err kernel: [ 815.037871] MCU Protocol Command 0xC0 failed, retry=1
Someone seen this before? Any help appreciated.
Complete log attached.
Regards
Gianmaria
log.txt (9.1 KB)