diff options
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-i2c.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-i2c.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 35e9acfe63d3..8d95b1154e12 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -491,20 +491,24 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port) { unsigned char buf; int i, rc; - struct i2c_client client; + struct i2c_adapter *adap; + struct i2c_msg msg = { + .flags = I2C_M_RD, + .len = 1, + .buf = &buf, + }; if (!i2c_scan) return; /* Don't generate I2C errors during scan */ dev->i2c_scan_running = true; - - memset(&client, 0, sizeof(client)); - client.adapter = cx231xx_get_i2c_adap(dev, i2c_port); + adap = cx231xx_get_i2c_adap(dev, i2c_port); for (i = 0; i < 128; i++) { - client.addr = i; - rc = i2c_master_recv(&client, &buf, 0); + msg.addr = i; + rc = i2c_transfer(adap, &msg, 1); + if (rc < 0) continue; dev_info(dev->dev, @@ -576,17 +580,10 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) { - int rc; - - rc = i2c_mux_add_adapter(dev->muxc, - 0, - mux_no /* chan_id */, - 0 /* class */); - if (rc) - dev_warn(dev->dev, - "i2c mux %d register FAILED\n", mux_no); - - return rc; + return i2c_mux_add_adapter(dev->muxc, + 0, + mux_no /* chan_id */, + 0 /* class */); } void cx231xx_i2c_mux_unregister(struct cx231xx *dev) |