diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-03 15:08:57 +0200 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-03 15:08:57 +0200 |
| commit | 76467874b83835129dc454e3a7a8e5d1186101b0 (patch) | |
| tree | 162129f0c36c35be4aa323cf00626db0e804c3fc /drivers/media/video/cx25840/cx25840-firmware.c | |
| parent | [GFS2] Update GFS2 for the recent pull from Linus (diff) | |
| parent | Linux v2.6.17-rc1 (diff) | |
| download | linux-76467874b83835129dc454e3a7a8e5d1186101b0.tar.xz linux-76467874b83835129dc454e3a7a8e5d1186101b0.zip | |
Merge branch 'master'
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-firmware.c')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-firmware.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index e1a7823d82cd..f59ced181c55 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -20,11 +20,22 @@ #include <linux/i2c-algo-bit.h> #include <linux/firmware.h> #include <media/v4l2-common.h> +#include <media/cx25840.h> -#include "cx25840.h" +#include "cx25840-core.h" #define FWFILE "v4l-cx25840.fw" -#define FWSEND 1024 + +/* + * Mike Isely <isely@pobox.com> - The FWSEND parameter controls the + * size of the firmware chunks sent down the I2C bus to the chip. + * Previously this had been set to 1024 but unfortunately some I2C + * implementations can't transfer data in such big gulps. + * Specifically, the pvrusb2 driver has a hard limit of around 60 + * bytes, due to the encapsulation there of I2C traffic into USB + * messages. So we have to significantly reduce this parameter. + */ +#define FWSEND 48 #define FWDEV(x) &((x)->adapter->dev) |