1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-i2c.c b/drivers/media/dvb/b2c2/flexcop-i2c.c
index 02a0ea6e1c17..6bf858a436c9 100644
--- a/drivers/media/dvb/b2c2/flexcop-i2c.c
+++ b/drivers/media/dvb/b2c2/flexcop-i2c.c
@@ -135,6 +135,13 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs
         struct flexcop_device *fc = i2c_get_adapdata(i2c_adap);
         int i, ret = 0;
 
+        /* Some drivers use 1 byte or 0 byte reads as probes, which this
+         * driver doesn't support.  These probes will always fail, so this
+         * hack makes them always succeed.  If one knew how, it would of
+         * course be better to actually do the read.  */
+        if (num == 1 && msgs[0].flags == I2C_M_RD && msgs[0].len <= 1)
+                return 1;
+
         if (mutex_lock_interruptible(&fc->i2c_mutex))
                 return -ERESTARTSYS;