diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 4 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-gpio.c | 29 |
2 files changed, 18 insertions, 15 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 9c6a53477a1b..b943aeac2764 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -424,6 +424,10 @@ struct cx18 { struct mutex i2c_bus_lock[2]; struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; + /* gpio */ + u32 gpio_dir; + u32 gpio_val; + /* v4l2 and User settings */ /* codec settings */ diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c index 1e0d32b992f9..2f324b8467cb 100644 --- a/drivers/media/video/cx18/cx18-gpio.c +++ b/drivers/media/video/cx18/cx18-gpio.c @@ -35,9 +35,6 @@ #define CX18_REG_GPIO_OUT2 0xc78104 #define CX18_REG_GPIO_DIR2 0xc7810c -static u32 gpio_dir; -static u32 gpio_val; - /* * HVR-1600 GPIO pins, courtesy of Hauppauge: * @@ -49,25 +46,28 @@ static u32 gpio_val; static void gpio_write(struct cx18 *cx) { - write_reg((gpio_dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); - write_reg(((gpio_dir & 0xffff) << 16) | (gpio_val & 0xffff), + u32 dir = cx->gpio_dir; + u32 val = cx->gpio_val; + + write_reg((dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); + write_reg(((dir & 0xffff) << 16) | (val & 0xffff), CX18_REG_GPIO_OUT1); - write_reg(gpio_dir & 0xffff0000, CX18_REG_GPIO_DIR2); - write_reg((gpio_dir & 0xffff0000) | ((gpio_val & 0xffff0000) >> 16), + write_reg(dir & 0xffff0000, CX18_REG_GPIO_DIR2); + write_reg((dir & 0xffff0000) | ((val & 0xffff0000) >> 16), CX18_REG_GPIO_OUT2); } void cx18_gpio_init(struct cx18 *cx) { - gpio_dir = cx->card->gpio_init.direction; - gpio_val = cx->card->gpio_init.initial_value; + cx->gpio_dir = cx->card->gpio_init.direction; + cx->gpio_val = cx->card->gpio_init.initial_value; if (cx->card->xceive_pin) { - gpio_dir |= 1 << cx->card->xceive_pin; - gpio_val |= 1 << cx->card->xceive_pin; + cx->gpio_dir |= 1 << cx->card->xceive_pin; + cx->gpio_val |= 1 << cx->card->xceive_pin; } - if (gpio_dir == 0) + if (cx->gpio_dir == 0) return; CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", @@ -88,13 +88,12 @@ int cx18_reset_tuner_gpio(void *dev, int cmd, int value) return 0; CX18_DEBUG_INFO("Resetting tuner\n"); - gpio_dir |= 1 << cx->card->xceive_pin; - gpio_val &= ~(1 << cx->card->xceive_pin); + cx->gpio_val &= ~(1 << cx->card->xceive_pin); gpio_write(cx); schedule_timeout_interruptible(msecs_to_jiffies(1)); - gpio_val |= 1 << cx->card->xceive_pin; + cx->gpio_val |= 1 << cx->card->xceive_pin; gpio_write(cx); schedule_timeout_interruptible(msecs_to_jiffies(1)); return 0; |
