gpio/pcf857x: Copy i2c_device_id from old pcf8574 driver

The deprecated pcf8574 driver is going to be removed. Make sure the
replacement driver inherits all i2c_device_ids for a smooth transition.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/gpio/pcf857x.c b/drivers/gpio/pcf857x.c
index 9525724..3f1ec1e 100644 (file)
--- a/drivers/gpio/pcf857x.c
+++ b/drivers/gpio/pcf857x.c
@@ -28,6 +28,7 @@
 
 static const struct i2c_device_id pcf857x_id[] = {
        { "pcf8574", 8 },
+       { "pcf8574a", 8 },
        { "pca8574", 8 },
        { "pca9670", 8 },
        { "pca9672", 8 },