diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-05-20 13:24:04 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 14:06:47 +0400 |
| commit | 4451342db5b5b779add112c6b15d676f07c73b33 (patch) | |
| tree | 961e438324ed26f4d55030f273d1e6365bd336d1 /drivers/media | |
| parent | d56eebfbdc11d1a3809d8bd793a118da5058ffa8 (diff) | |
| download | linux-4451342db5b5b779add112c6b15d676f07c73b33.tar.xz | |
V4L/DVB (7927): ivtv: simplify gpio initialization for XCeive tuners.
Separate gpio_init field and xceive_pin and combine the two when
the gpio is initialized. So there is no longer any need to set the
xceive pin in the gpio_init values, simplifying the creation of a
new card definition.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-cards.c | 6 | ||||
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-gpio.c | 11 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/media/video/ivtv/ivtv-cards.c b/drivers/media/video/ivtv/ivtv-cards.c index ba2b0cf4531b..dc3fbb320684 100644 --- a/drivers/media/video/ivtv/ivtv-cards.c +++ b/drivers/media/video/ivtv/ivtv-cards.c @@ -923,7 +923,6 @@ static const struct ivtv_card ivtv_card_club3d = { { IVTV_CARD_INPUT_LINE_IN1, CX25840_AUDIO_SERIAL }, }, .radio_input = { IVTV_CARD_INPUT_AUD_TUNER, CX25840_AUDIO5 }, - .gpio_init = { .direction = 0x1000, .initial_value = 0x1000 }, /* tuner reset */ .xceive_pin = 12, .tuners = { { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, @@ -959,7 +958,7 @@ static const struct ivtv_card ivtv_card_avertv_mce116 = { { IVTV_CARD_INPUT_LINE_IN1, CX25840_AUDIO_SERIAL, 1 }, }, /* enable line-in */ - .gpio_init = { .direction = 0xe400, .initial_value = 0x4400 }, + .gpio_init = { .direction = 0xe000, .initial_value = 0x4000 }, .xceive_pin = 10, .tuners = { { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, @@ -1102,7 +1101,7 @@ static const struct ivtv_card ivtv_card_aver_m104 = { }, .radio_input = { IVTV_CARD_INPUT_AUD_TUNER, CX25840_AUDIO_SERIAL, 2 }, /* enable line-in + reset tuner */ - .gpio_init = { .direction = 0xe400, .initial_value = 0x4000 }, + .gpio_init = { .direction = 0xe000, .initial_value = 0x4000 }, .xceive_pin = 10, .tuners = { { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, @@ -1138,7 +1137,6 @@ static const struct ivtv_card ivtv_card_buffalo = { { IVTV_CARD_INPUT_AUD_TUNER, CX25840_AUDIO5 }, { IVTV_CARD_INPUT_LINE_IN1, CX25840_AUDIO_SERIAL }, }, - .gpio_init = { .direction = 0x1000, .initial_value = 0x1000 }, .xceive_pin = 12, .tuners = { { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c index d8ac09f3cce6..bc22905ea20f 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ b/drivers/media/video/ivtv/ivtv-gpio.c @@ -146,15 +146,20 @@ int ivtv_reset_tuner_gpio(void *dev, int cmd, int value) void ivtv_gpio_init(struct ivtv *itv) { - if (itv->card->gpio_init.direction == 0) + u16 pin = 0; + + if (itv->card->xceive_pin) + pin = 1 << itv->card->xceive_pin; + + if ((itv->card->gpio_init.direction | pin) == 0) return; IVTV_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n", read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT)); /* init output data then direction */ - write_reg(itv->card->gpio_init.initial_value, IVTV_REG_GPIO_OUT); - write_reg(itv->card->gpio_init.direction, IVTV_REG_GPIO_DIR); + write_reg(itv->card->gpio_init.initial_value | pin, IVTV_REG_GPIO_OUT); + write_reg(itv->card->gpio_init.direction | pin, IVTV_REG_GPIO_DIR); } static struct v4l2_queryctrl gpio_ctrl_mute = { |