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[media] cx231xx: Fix I2C on Internal Master 3 Bus 

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>
This commit is contained in:
Oleh Kravchenko 2017-01-29 16:07:31 -02:00 committed by Mauro Carvalho Chehab
parent a096fd6492
commit 6c5da8031a
1 changed files with 6 additions and 1 deletions
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7
drivers/media/usb/cx231xx/cx231xx-core.c
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@ -355,7 +355,12 @@ int cx231xx_send_vendor_cmd(struct cx231xx *dev,
*/
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;