53 static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable)  in dln2_i2c_enable()  argument
60 	tx.port = dln2->port;  in dln2_i2c_enable()
67 	return dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx));  in dln2_i2c_enable()
70 static int dln2_i2c_write(struct dln2_i2c *dln2, u8 addr,  in dln2_i2c_write()  argument
81 	} __packed *tx = dln2->buf;  in dln2_i2c_write()
86 	tx->port = dln2->port;  in dln2_i2c_write()
94 	ret = dln2_transfer_tx(dln2->pdev, DLN2_I2C_WRITE, tx, len);  in dln2_i2c_write()
101 static int dln2_i2c_read(struct dln2_i2c *dln2, u16 addr, u8 *data,  in dln2_i2c_read()  argument
115 	} __packed *rx = dln2->buf;  in dln2_i2c_read()
120 	tx.port = dln2->port;  in dln2_i2c_read()
126 	ret = dln2_transfer(dln2->pdev, DLN2_I2C_READ, &tx, sizeof(tx),  in dln2_i2c_read()
143 	struct dln2_i2c *dln2 = i2c_get_adapdata(adapter);  in dln2_i2c_xfer()  local
153 			ret = dln2_i2c_read(dln2, pmsg->addr, pmsg->buf,  in dln2_i2c_xfer()
160 			ret = dln2_i2c_write(dln2, pmsg->addr, pmsg->buf,  in dln2_i2c_xfer()
190 	struct dln2_i2c *dln2;  in dln2_i2c_probe()  local
194 	dln2 = devm_kzalloc(dev, sizeof(*dln2), GFP_KERNEL);  in dln2_i2c_probe()
195 	if (!dln2)  in dln2_i2c_probe()
198 	dln2->buf = devm_kmalloc(dev, DLN2_I2C_BUF_SIZE, GFP_KERNEL);  in dln2_i2c_probe()
199 	if (!dln2->buf)  in dln2_i2c_probe()
202 	dln2->pdev = pdev;  in dln2_i2c_probe()
203 	dln2->port = pdata->port;  in dln2_i2c_probe()
206 	dln2->adapter.owner = THIS_MODULE;  in dln2_i2c_probe()
207 	dln2->adapter.class = I2C_CLASS_HWMON;  in dln2_i2c_probe()
208 	dln2->adapter.algo = &dln2_i2c_usb_algorithm;  in dln2_i2c_probe()
209 	dln2->adapter.quirks = &dln2_i2c_quirks;  in dln2_i2c_probe()
210 	dln2->adapter.dev.parent = dev;  in dln2_i2c_probe()
211 	ACPI_COMPANION_SET(&dln2->adapter.dev, ACPI_COMPANION(&pdev->dev));  in dln2_i2c_probe()
212 	dln2->adapter.dev.of_node = dev->of_node;  in dln2_i2c_probe()
213 	i2c_set_adapdata(&dln2->adapter, dln2);  in dln2_i2c_probe()
214 	snprintf(dln2->adapter.name, sizeof(dln2->adapter.name), "%s-%s-%d",  in dln2_i2c_probe()
215 		 "dln2-i2c", dev_name(pdev->dev.parent), dln2->port);  in dln2_i2c_probe()
217 	platform_set_drvdata(pdev, dln2);  in dln2_i2c_probe()
220 	ret = dln2_i2c_enable(dln2, true);  in dln2_i2c_probe()
225 	ret = i2c_add_adapter(&dln2->adapter);  in dln2_i2c_probe()
232 	dln2_i2c_enable(dln2, false);  in dln2_i2c_probe()
239 	struct dln2_i2c *dln2 = platform_get_drvdata(pdev);  in dln2_i2c_remove()  local
241 	i2c_del_adapter(&dln2->adapter);  in dln2_i2c_remove()
242 	dln2_i2c_enable(dln2, false);  in dln2_i2c_remove()