video: backlight: tosa_lcd: convert to use i2c_new_client_device()

Move away from the deprecated API and return the shiny new ERRPTR where
useful.

Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Daniel Thompson <[email protected]>
Acked-by: Lee Jones <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>

Author: Wolfram Sang

drivers/video/backlight/tosa_lcd.c

@@ -107,7 +107,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
 	/* TG LCD GVSS */
 	tosa_tg_send(spi, TG_PINICTL, 0x0);
 
-	if (!data->i2c) {
+	if (IS_ERR_OR_NULL(data->i2c)) {
 		/*
 		 * after the pannel is powered up the first time,
 		 * we can access the i2c bus so probe for the DAC
@@ -119,7 +119,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
 			.addr	= DAC_BASE,
 			.platform_data = data->spi,
 		};
-		data->i2c = i2c_new_device(adap, &info);
+		data->i2c = i2c_new_client_device(adap, &info);
 	}
 }