diff options
| -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 { | |||
| 424 | struct mutex i2c_bus_lock[2]; | 424 | struct mutex i2c_bus_lock[2]; |
| 425 | struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; | 425 | struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; |
| 426 | 426 | ||
| 427 | /* gpio */ | ||
| 428 | u32 gpio_dir; | ||
| 429 | u32 gpio_val; | ||
| 430 | |||
| 427 | /* v4l2 and User settings */ | 431 | /* v4l2 and User settings */ |
| 428 | 432 | ||
| 429 | /* codec settings */ | 433 | /* 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 @@ | |||
| 35 | #define CX18_REG_GPIO_OUT2 0xc78104 | 35 | #define CX18_REG_GPIO_OUT2 0xc78104 |
| 36 | #define CX18_REG_GPIO_DIR2 0xc7810c | 36 | #define CX18_REG_GPIO_DIR2 0xc7810c |
| 37 | 37 | ||
| 38 | static u32 gpio_dir; | ||
| 39 | static u32 gpio_val; | ||
| 40 | |||
| 41 | /* | 38 | /* |
| 42 | * HVR-1600 GPIO pins, courtesy of Hauppauge: | 39 | * HVR-1600 GPIO pins, courtesy of Hauppauge: |
| 43 | * | 40 | * |
| @@ -49,25 +46,28 @@ static u32 gpio_val; | |||
| 49 | 46 | ||
| 50 | static void gpio_write(struct cx18 *cx) | 47 | static void gpio_write(struct cx18 *cx) |
| 51 | { | 48 | { |
| 52 | write_reg((gpio_dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); | 49 | u32 dir = cx->gpio_dir; |
| 53 | write_reg(((gpio_dir & 0xffff) << 16) | (gpio_val & 0xffff), | 50 | u32 val = cx->gpio_val; |
| 51 | |||
| 52 | write_reg((dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); | ||
| 53 | write_reg(((dir & 0xffff) << 16) | (val & 0xffff), | ||
| 54 | CX18_REG_GPIO_OUT1); | 54 | CX18_REG_GPIO_OUT1); |
| 55 | write_reg(gpio_dir & 0xffff0000, CX18_REG_GPIO_DIR2); | 55 | write_reg(dir & 0xffff0000, CX18_REG_GPIO_DIR2); |
| 56 | write_reg((gpio_dir & 0xffff0000) | ((gpio_val & 0xffff0000) >> 16), | 56 | write_reg((dir & 0xffff0000) | ((val & 0xffff0000) >> 16), |
| 57 | CX18_REG_GPIO_OUT2); | 57 | CX18_REG_GPIO_OUT2); |
| 58 | } | 58 | } |
| 59 | 59 | ||
| 60 | void cx18_gpio_init(struct cx18 *cx) | 60 | void cx18_gpio_init(struct cx18 *cx) |
| 61 | { | 61 | { |
| 62 | gpio_dir = cx->card->gpio_init.direction; | 62 | cx->gpio_dir = cx->card->gpio_init.direction; |
| 63 | gpio_val = cx->card->gpio_init.initial_value; | 63 | cx->gpio_val = cx->card->gpio_init.initial_value; |
| 64 | 64 | ||
| 65 | if (cx->card->xceive_pin) { | 65 | if (cx->card->xceive_pin) { |
| 66 | gpio_dir |= 1 << cx->card->xceive_pin; | 66 | cx->gpio_dir |= 1 << cx->card->xceive_pin; |
| 67 | gpio_val |= 1 << cx->card->xceive_pin; | 67 | cx->gpio_val |= 1 << cx->card->xceive_pin; |
| 68 | } | 68 | } |
| 69 | 69 | ||
| 70 | if (gpio_dir == 0) | 70 | if (cx->gpio_dir == 0) |
| 71 | return; | 71 | return; |
| 72 | 72 | ||
| 73 | CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", | 73 | 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) | |||
| 88 | return 0; | 88 | return 0; |
| 89 | CX18_DEBUG_INFO("Resetting tuner\n"); | 89 | CX18_DEBUG_INFO("Resetting tuner\n"); |
| 90 | 90 | ||
| 91 | gpio_dir |= 1 << cx->card->xceive_pin; | 91 | cx->gpio_val &= ~(1 << cx->card->xceive_pin); |
| 92 | gpio_val &= ~(1 << cx->card->xceive_pin); | ||
| 93 | 92 | ||
| 94 | gpio_write(cx); | 93 | gpio_write(cx); |
| 95 | schedule_timeout_interruptible(msecs_to_jiffies(1)); | 94 | schedule_timeout_interruptible(msecs_to_jiffies(1)); |
| 96 | 95 | ||
| 97 | gpio_val |= 1 << cx->card->xceive_pin; | 96 | cx->gpio_val |= 1 << cx->card->xceive_pin; |
| 98 | gpio_write(cx); | 97 | gpio_write(cx); |
| 99 | schedule_timeout_interruptible(msecs_to_jiffies(1)); | 98 | schedule_timeout_interruptible(msecs_to_jiffies(1)); |
| 100 | return 0; | 99 | return 0; |
