i2c: i801: Document feature bits in modinfo
Duplicate the feature bits documentation in modinfo, as not every user
will read the driver's source code or documentation file.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index e1cf2e0..3a6903f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -231,7 +231,11 @@
static unsigned int disable_features;
module_param(disable_features, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(disable_features, "Disable selected driver features");
+MODULE_PARM_DESC(disable_features, "Disable selected driver features:\n"
+ "\t\t 0x01 disable SMBus PEC\n"
+ "\t\t 0x02 disable the block buffer\n"
+ "\t\t 0x08 disable the I2C block read functionality\n"
+ "\t\t 0x10 don't use interrupts ");
/* Make sure the SMBus host is ready to start transmitting.
Return 0 if it is, -EBUSY if it is not. */