diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-core.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-core.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index a802128..fc157af 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -193,23 +193,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len) { - int rc; - - rc = em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len); - - /* Stores GPO/GPIO values at the cache, if changed - Only write values should be stored, since input on a GPIO - register will return the input bits. - Not sure what happens on reading GPO register. - */ - if (rc >= 0) { - if (reg == dev->reg_gpo_num) - dev->reg_gpo = buf[0]; - else if (reg == dev->reg_gpio_num) - dev->reg_gpio = buf[0]; - } - - return rc; + return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len); } EXPORT_SYMBOL_GPL(em28xx_write_regs); @@ -231,14 +215,7 @@ int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, int oldval; u8 newval; - /* Uses cache for gpo/gpio registers */ - if (reg == dev->reg_gpo_num) - oldval = dev->reg_gpo; - else if (reg == dev->reg_gpio_num) - oldval = dev->reg_gpio; - else - oldval = em28xx_read_reg(dev, reg); - + oldval = em28xx_read_reg(dev, reg); if (oldval < 0) return oldval; |