diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index e8eb4ec0c30a..04b12d27bc13 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -1871,6 +1871,26 @@ void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask) printk(KERN_INFO "%s: Unsupported\n", dev->name); } +u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask) +{ + if (mask & 0x00000007) + return (cx_read(GP0_IO) >> 8) & mask & 0x7; + + if (mask & 0x0007fff8) { + if (encoder_on_portb(dev) || encoder_on_portc(dev)) + printk(KERN_ERR + "%s: Reading GPIO moving on encoder ports\n", + dev->name); + return (cx_read(MC417_RWD) & ((mask & 0x7fff8) >> 3)) << 3; + } + + /* TODO: 23-19 */ + if (mask & 0x00f80000) + printk(KERN_INFO "%s: Unsupported\n", dev->name); + + return 0; +} + void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput) { if ((mask & 0x00000007) && asoutput) |