diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-gpio.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-gpio.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c index 132fb5f71366..688cd3856685 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ b/drivers/media/video/ivtv/ivtv-gpio.c @@ -22,6 +22,7 @@ #include "ivtv-driver.h" #include "ivtv-cards.h" #include "ivtv-gpio.h" +#include "tuner-xc2028.h" #include <media/tuner.h> /* @@ -122,6 +123,29 @@ void ivtv_reset_ir_gpio(struct ivtv *itv) write_reg(curdir, IVTV_REG_GPIO_DIR); } +/* Xceive tuner reset function */ +int ivtv_reset_tuner_gpio(void *dev, int cmd, int value) +{ + struct i2c_algo_bit_data *algo = dev; + struct ivtv *itv = algo->data; + int curdir, curout; + + if (cmd != XC2028_TUNER_RESET) + return 0; + IVTV_DEBUG_INFO("Resetting tuner\n"); + curout = read_reg(IVTV_REG_GPIO_OUT); + curdir = read_reg(IVTV_REG_GPIO_DIR); + curdir |= (1 << 12); /* GPIO bit 12 */ + + curout &= ~(1 << 12); + write_reg(curout, IVTV_REG_GPIO_OUT); + schedule_timeout_interruptible(msecs_to_jiffies(1)); + + curout |= (1 << 12); + write_reg(curout, IVTV_REG_GPIO_OUT); + schedule_timeout_interruptible(msecs_to_jiffies(1)); + return 0; +} void ivtv_gpio_init(struct ivtv *itv) { |