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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-08-11 13:58:54 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-08-11 13:58:54 -0300 |
| commit | ce486a4e35fc5f89c56f1bc8db8ad09cb9e3a98e (patch) | |
| tree | bf90690073c0667a01166bbefd5dc1ae0398fe44 /linux/drivers/media/video/cx25840 | |
| parent | db44a7d2b169cceeafa7a8b5fc5b8fe921d4088d (diff) | |
| parent | 6971a9d650f6ab06dfedc4464665366c87da4bbc (diff) | |
| download | mediapointer-dvb-s2-ce486a4e35fc5f89c56f1bc8db8ad09cb9e3a98e.tar.gz mediapointer-dvb-s2-ce486a4e35fc5f89c56f1bc8db8ad09cb9e3a98e.tar.bz2 | |
merge: http://kernellabs.com/hg/~mkrufky/sms1xxx
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux/drivers/media/video/cx25840')
| -rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-core.c | 15 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-firmware.c | 13 |
2 files changed, 21 insertions, 7 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-core.c b/linux/drivers/media/video/cx25840/cx25840-core.c index 2929bf3b7..557a3eaa1 100644 --- a/linux/drivers/media/video/cx25840/cx25840-core.c +++ b/linux/drivers/media/video/cx25840/cx25840-core.c @@ -341,6 +341,15 @@ 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 @@ -1610,12 +1619,6 @@ 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/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); } |