diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 04da6be4de27a9ab6d47df99a30dc636ed0213a9..6f5a3d0c818f02c2a139d3ce045e4562f09befcd 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -1041,67 +1041,34 @@ static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; - u8 val; dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); if (onoff) { - /* set output values */ - ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); - if (ret) - goto err; - - val |= 0x08; - val &= 0xef; - - ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); - if (ret) - goto err; - - /* demod_ctl_1 */ - ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val); - if (ret) - goto err; - - val &= 0xef; - - ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val); - if (ret) - goto err; - - /* demod control */ - /* PLL enable */ - ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); + /* GPIO3=1, GPIO4=0 */ + ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18); if (ret) goto err; - /* bit 7 to 1 */ - val |= 0x80; - - ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); + /* suspend? */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10); if (ret) goto err; - ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); + /* enable PLL */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80); if (ret) goto err; - val |= 0x20; - - ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); + /* disable reset */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20); if (ret) goto err; mdelay(5); - /*enable ADC_Q and ADC_I */ - ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); - if (ret) - goto err; - - val |= 0x48; - - ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); + /* enable ADC */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x48, 0x48); if (ret) goto err; @@ -1114,25 +1081,18 @@ static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) if (ret) goto err; } else { - /* set output values */ - ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); - if (ret) - goto err; - - val |= 0x10; - - ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); + /* GPIO4=1 */ + ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10); if (ret) goto err; - /* demod control */ - ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); + /* disable ADC */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x48); if (ret) goto err; - val &= 0x37; - - ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); + /* disable PLL */ + ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80); if (ret) goto err;