diff options
Diffstat (limited to 'linux/drivers/media/video/cx25840/cx25840-firmware.c')
| -rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-firmware.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-firmware.c b/linux/drivers/media/video/cx25840/cx25840-firmware.c index f01456ec4..bdc630f0f 100644 --- a/linux/drivers/media/video/cx25840/cx25840-firmware.c +++ b/linux/drivers/media/video/cx25840/cx25840-firmware.c @@ -99,9 +99,14 @@ int cx25840_loadfw(struct i2c_client *client) const u8 *ptr; int size, retval; int MAX_BUF_SIZE = FWSEND; + u32 gpio_oe = 0, gpio_da = 0; - if (state->is_cx23885) + if (state->is_cx23885) { firmware = FWFILE_CX23885; + /* Preserve the GPIO OE and output bits */ + gpio_oe = cx25840_read(client, 0x160); + gpio_da = cx25840_read(client, 0x164); + } else if (state->is_cx231xx) firmware = FWFILE_CX231XX; @@ -143,5 +148,11 @@ int cx25840_loadfw(struct i2c_client *client) size = fw->size; release_firmware(fw); + if (state->is_cx23885) { + /* Restore GPIO configuration after f/w load */ + cx25840_write(client, 0x160, gpio_oe); + cx25840_write(client, 0x164, gpio_da); + } + return check_fw_load(client, size); } |