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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-03-08 22:07:30 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-03-08 22:07:30 +0300 |
| commit | c6380ecd8e9bee7aba3d9a5a94b58168244c4a61 (patch) | |
| tree | f8d9522c66e805f638399e094f8e0dfd92584d06 /drivers/i2c/algos/i2c-algo-bit.c | |
| parent | cdc2466df40f26af60f6b18123069bd52336a80c (diff) | |
| parent | 661e50bc853209e41a5c14a290ca4decc43cbfd1 (diff) | |
| download | linux-c6380ecd8e9bee7aba3d9a5a94b58168244c4a61.tar.xz | |
Merge tag 'v4.16-rc4' into next
Sync up with mainline to bring in RAVE MFD device core.
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
| -rw-r--r-- | drivers/i2c/algos/i2c-algo-bit.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 1147bddb8b2c..3df0efd69ae3 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -649,6 +649,11 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap, if (bit_adap->getscl == NULL) adap->quirks = &i2c_bit_quirk_no_clk_stretch; + /* Bring bus to a known state. Looks like STOP if bus is not free yet */ + setscl(bit_adap, 1); + udelay(bit_adap->udelay); + setsda(bit_adap, 1); + ret = add_adapter(adap); if (ret < 0) return ret; |