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    Subject[PATCH 3.18 19/27] cx231xx: Fix I2C on Internal Master 3 Bus
    Date
    3.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Oleh Kravchenko <oleg@kaa.org.ua>


    [ Upstream commit 6c5da8031a3abfad259190d35f83d89568b72ee2 ]

    Internal Master 3 Bus can send and receive only 4 bytes per time.

    Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
    Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
    Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/media/usb/cx231xx/cx231xx-core.c | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    --- a/drivers/media/usb/cx231xx/cx231xx-core.c
    +++ b/drivers/media/usb/cx231xx/cx231xx-core.c
    @@ -365,7 +365,12 @@ int cx231xx_send_vendor_cmd(struct cx231
    */
    if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
    (ven_req->bRequest == 0x5) ||
    - (ven_req->bRequest == 0x6))) {
    + (ven_req->bRequest == 0x6) ||
    +
    + /* Internal Master 3 Bus can send
    + * and receive only 4 bytes per time
    + */
    + (ven_req->bRequest == 0x2))) {
    unsend_size = 0;
    pdata = ven_req->pBuff;


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