On 01.11.2014 14:38, Mauro Carvalho Chehab wrote:
> This device doesn't properly implement read with a zero bytes
> len. So, use 1 byte for I2C scan.
>
Yes, the idea sounds good, but we should fix this in the code in
cx231xx_i2c_check_for_device.
> Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>
>
> diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c
> b/drivers/media/usb/cx231xx/cx231xx-i2c.c
> index 1a0d9efeb209..9b7e5a155e34 100644
> --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
> +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
> @@ -502,7 +502,7 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int
> i2c_port)
> i2c_port);
> for (i = 0; i < 128; i++) {
> client.addr = i;
> - rc = i2c_master_recv(&client, &buf, 0);
> + rc = i2c_master_recv(&client, &buf, 1);
> if (rc < 0)
> continue;
> pr_info("i2c scan: found device @ 0x%x [%s]\n",
>
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