diff options
| author | Oleh Kravchenko <oleg@kaa.org.ua> | 2017-01-29 21:07:31 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-02-07 14:09:10 +0300 |
| commit | 6c5da8031a3abfad259190d35f83d89568b72ee2 (patch) | |
| tree | d83fad358beafa1f9df57a9e92c96cb82547bfff /drivers/media/usb/cx231xx | |
| parent | a096fd6492ea676570e621d972f68ff03042d0c4 (diff) | |
| download | linux-6c5da8031a3abfad259190d35f83d89568b72ee2.tar.xz | |
[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>
Diffstat (limited to 'drivers/media/usb/cx231xx')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index 550ec932f931..46646ecd2dbc 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -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; |