ASoC: codec: Add WM8987 device id to WM8750 driver

The WM8987 codec is register compatible with the WM8750, so just add it to the
SPI and I²C device table.
Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8750.c

@@ -884,6 +884,7 @@ static int wm8750_i2c_remove(struct i2c_client *client)
 
 static const struct i2c_device_id wm8750_i2c_id[] = {
 	{ "wm8750", 0 },
+	{ "wm8987", 0 }, /* WM8987 is register compatible with WM8750 */
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
@@ -925,14 +926,22 @@ static int __devexit wm8750_spi_remove(struct spi_device *spi)
 	return 0;
 }
 
+static const struct spi_device_id wm8750_spi_id[] = {
+	{ "wm8750", 0 },
+	{ "wm8987", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, wm8750_spi_id);
+
 static struct spi_driver wm8750_spi_driver = {
 	.driver = {
-		.name	= "wm8750",
+		.name	= "WM8750 SPI Codec",
 		.bus	= &spi_bus_type,
 		.owner	= THIS_MODULE,
 	},
 	.probe		= wm8750_spi_probe,
 	.remove		= __devexit_p(wm8750_spi_remove),
+	.id_table	= wm8750_spi_id,
 };
 #endif