diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 15 | ||||
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-firmware.c | 13 |
2 files changed, 21 insertions, 7 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 0be51b65f09..1aeaf18a9be 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -321,6 +321,15 @@ static void cx23885_initialize(struct i2c_client *client) /* Select AFE clock pad output source */ cx25840_write(client, 0x144, 0x05); + /* Drive GPIO2 direction and values for HVR1700 + * where an onboard mux selects the output of demodulator + * vs the 417. Failure to set this results in no DTV. + * It's safe to set this across all Hauppauge boards + * currently, regardless of the board type. + */ + cx25840_write(client, 0x160, 0x1d); + cx25840_write(client, 0x164, 0x00); + /* Do the firmware load in a work handler to prevent. Otherwise the kernel is blocked waiting for the bit-banging i2c interface to finish uploading the @@ -1578,12 +1587,6 @@ static int cx25840_probe(struct i2c_client *client, state->id = id; state->rev = device_id; - if (state->is_cx23885) { - /* Drive GPIO2 direction and values */ - cx25840_write(client, 0x160, 0x1d); - cx25840_write(client, 0x164, 0x00); - } - return 0; } diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index 0df53b0d75d..2a535d0403e 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -98,9 +98,14 @@ 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; @@ -142,5 +147,11 @@ 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); } |