On Thu, 2019-08-22 at 13:57 +0800, Hsin-Yi Wang wrote: > When doing i2cdetect quick write mode, we would get transfer > error ENOMEM, and i2cdetect shows there's no device at the address. > Quoting from mt8183 datasheet, the number of transfers to be > transferred in one transaction should be set to bigger than 1, > so we should forbid zero-length transfer and update functionality.
<...> > @@ -933,8 +942,8 @@ static int mtk_i2c_probe(struct platform_device *pdev) > i2c->dev = &pdev->dev; > i2c->adap.dev.parent = &pdev->dev; > i2c->adap.owner = THIS_MODULE; > - i2c->adap.algo = &mtk_i2c_algorithm; > i2c->adap.quirks = i2c->dev_comp->quirks; > + i2c->adap.algo = &mtk_i2c_algorithm; > i2c->adap.timeout = 2 * HZ; > i2c->adap.retries = 1; > Why do you need to change this part? Joe.C
