25 static int max9271_read(struct max9271_device *dev, u8 reg)  in max9271_read()  argument
29 	dev_dbg(&dev->client->dev, "%s(0x%02x)\n", __func__, reg);  in max9271_read()
31 	ret = i2c_smbus_read_byte_data(dev->client, reg);  in max9271_read()
33 		dev_dbg(&dev->client->dev,  in max9271_read()
40 static int max9271_write(struct max9271_device *dev, u8 reg, u8 val)  in max9271_write()  argument
44 	dev_dbg(&dev->client->dev, "%s(0x%02x, 0x%02x)\n", __func__, reg, val);  in max9271_write()
46 	ret = i2c_smbus_write_byte_data(dev->client, reg, val);  in max9271_write()
48 		dev_err(&dev->client->dev,  in max9271_write()
62 static int max9271_pclk_detect(struct max9271_device *dev)  in max9271_pclk_detect()  argument
68 		ret = max9271_read(dev, 0x15);  in max9271_pclk_detect()
78 	dev_err(&dev->client->dev, "Unable to detect valid pixel clock\n");  in max9271_pclk_detect()
83 void max9271_wake_up(struct max9271_device *dev)  in max9271_wake_up()  argument
89 	dev->client->addr = MAX9271_DEFAULT_ADDR;  in max9271_wake_up()
90 	i2c_smbus_read_byte(dev->client);  in max9271_wake_up()
95 int max9271_set_serial_link(struct max9271_device *dev, bool enable)  in max9271_set_serial_link()  argument
101 		ret = max9271_pclk_detect(dev);  in max9271_set_serial_link()
121 	ret = max9271_write(dev, 0x04, val);  in max9271_set_serial_link()
131 int max9271_configure_i2c(struct max9271_device *dev, u8 i2c_config)  in max9271_configure_i2c()  argument
135 	ret = max9271_write(dev, 0x0d, i2c_config);  in max9271_configure_i2c()
149 int max9271_set_high_threshold(struct max9271_device *dev, bool enable)  in max9271_set_high_threshold()  argument
153 	ret = max9271_read(dev, 0x08);  in max9271_set_high_threshold()
161 	ret = max9271_write(dev, 0x08, enable ? ret | BIT(0) : ret & ~BIT(0));  in max9271_set_high_threshold()
171 int max9271_configure_gmsl_link(struct max9271_device *dev)  in max9271_configure_gmsl_link()  argument
185 	ret = max9271_write(dev, 0x07, MAX9271_DBL | MAX9271_HVEN |  in max9271_configure_gmsl_link()
196 	ret = max9271_write(dev, 0x02,  in max9271_configure_gmsl_link()
209 int max9271_set_gpios(struct max9271_device *dev, u8 gpio_mask)  in max9271_set_gpios()  argument
213 	ret = max9271_read(dev, 0x0f);  in max9271_set_gpios()
218 	ret = max9271_write(dev, 0x0f, ret);  in max9271_set_gpios()
220 		dev_err(&dev->client->dev, "Failed to set gpio (%d)\n", ret);  in max9271_set_gpios()
230 int max9271_clear_gpios(struct max9271_device *dev, u8 gpio_mask)  in max9271_clear_gpios()  argument
234 	ret = max9271_read(dev, 0x0f);  in max9271_clear_gpios()
239 	ret = max9271_write(dev, 0x0f, ret);  in max9271_clear_gpios()
241 		dev_err(&dev->client->dev, "Failed to clear gpio (%d)\n", ret);  in max9271_clear_gpios()
251 int max9271_enable_gpios(struct max9271_device *dev, u8 gpio_mask)  in max9271_enable_gpios()  argument
255 	ret = max9271_read(dev, 0x0e);  in max9271_enable_gpios()
261 	ret = max9271_write(dev, 0x0e, ret);  in max9271_enable_gpios()
263 		dev_err(&dev->client->dev, "Failed to enable gpio (%d)\n", ret);  in max9271_enable_gpios()
273 int max9271_disable_gpios(struct max9271_device *dev, u8 gpio_mask)  in max9271_disable_gpios()  argument
277 	ret = max9271_read(dev, 0x0e);  in max9271_disable_gpios()
283 	ret = max9271_write(dev, 0x0e, ret);  in max9271_disable_gpios()
285 		dev_err(&dev->client->dev, "Failed to disable gpio (%d)\n", ret);  in max9271_disable_gpios()
295 int max9271_verify_id(struct max9271_device *dev)  in max9271_verify_id()  argument
299 	ret = max9271_read(dev, 0x1e);  in max9271_verify_id()
301 		dev_err(&dev->client->dev, "MAX9271 ID read failed (%d)\n",  in max9271_verify_id()
307 		dev_err(&dev->client->dev, "MAX9271 ID mismatch (0x%02x)\n",  in max9271_verify_id()
316 int max9271_set_address(struct max9271_device *dev, u8 addr)  in max9271_set_address()  argument
320 	ret = max9271_write(dev, 0x00, addr << 1);  in max9271_set_address()
322 		dev_err(&dev->client->dev,  in max9271_set_address()
332 int max9271_set_deserializer_address(struct max9271_device *dev, u8 addr)  in max9271_set_deserializer_address()  argument
336 	ret = max9271_write(dev, 0x01, addr << 1);  in max9271_set_deserializer_address()
338 		dev_err(&dev->client->dev,  in max9271_set_deserializer_address()
348 int max9271_set_translation(struct max9271_device *dev, u8 source, u8 dest)  in max9271_set_translation()  argument
352 	ret = max9271_write(dev, 0x09, source << 1);  in max9271_set_translation()
354 		dev_err(&dev->client->dev,  in max9271_set_translation()
360 	ret = max9271_write(dev, 0x0a, dest << 1);  in max9271_set_translation()
362 		dev_err(&dev->client->dev,  in max9271_set_translation()