media: cx25821: drop duplicated i2c_slave_did_ack()

This function is defined twice, one at cx25821-i2c and the other
inside cx25821-core. It turns that only the first
is actually used inside the code.

This causes a clang warning.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index 40c10ca94defe18215becfae626c365c6a938456..3078a39f0b95dcb649118ec0c5a88e3854d3ba6e 100644 (file)
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -337,13 +337,6 @@ static int cx25821_risc_decode(u32 risc)
        return incr[risc >> 28] ? incr[risc >> 28] : 1;
 }
 
-static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap)
-{
-       struct cx25821_i2c *bus = i2c_adap->algo_data;
-       struct cx25821_dev *dev = bus->dev;
-       return cx_read(bus->reg_stat) & 0x01;
-}
-
 static void cx25821_registers_init(struct cx25821_dev *dev)
 {
        u32 tmp;