diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-i2c.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-i2c.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c index 3928945df5f..c6bb0a05bc1 100644 --- a/drivers/media/video/cx23885/cx23885-i2c.c +++ b/drivers/media/video/cx23885/cx23885-i2c.c @@ -423,6 +423,29 @@ int cx23885_i2c_unregister(struct cx23885_i2c *bus) return 0; } +void cx23885_av_clk(struct cx23885_dev *dev, int enable) +{ + /* write 0 to bus 2 addr 0x144 via i2x_xfer() */ + char buffer[3]; + struct i2c_msg msg; + dprintk(1, "%s(enabled = %d)\n", __func__, enable); + + /* Register 0x144 */ + buffer[0] = 0x01; + buffer[1] = 0x44; + if (enable == 1) + buffer[2] = 0x05; + else + buffer[2] = 0x00; + + msg.addr = 0x44; + msg.flags = I2C_M_TEN; + msg.len = 3; + msg.buf = buffer; + + i2c_xfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); +} + /* ----------------------------------------------------------------------- */ /* |