Em Fri, 15 Jul 2016 09:21:51 +0300
Antti Palosaari <cr...@iki.fi> escreveu:
> Applied and PULL requested for 4.7.
It is too late to be applied on 4.7. I can apply it to the next merge
window.
>
> Anyhow, it does not apply for 4.6. You must backport that patch to 4.6
> stable also!
>
> regards
> Antti
>
> On 07/11/2016 08:31 PM, Stefan Pöschel wrote:
> > The value 5 of the EEPROM_TS_MODE register (meaning dual tuner presence) is
> > only valid for AF9035 devices. For IT9135 devices it is invalid and led to a
> > false positive dual tuner mode detection with PCTV 79e.
> > Therefore on non-AF9035 devices and with value 5 the driver now defaults to
> > single tuner mode and outputs a regarding info message to log.
> >
> > This fixes Bugzilla bug #118561.
> >
> > Reported-by: Marc Duponcheel <m...@offline.be>
> > Signed-off-by: Stefan Pöschel <basic.mas...@gmx.de>
> > ---
> > drivers/media/usb/dvb-usb-v2/af9035.c | 50
> > +++++++++++++++++++++++------------
> > drivers/media/usb/dvb-usb-v2/af9035.h | 2 +-
> > 2 files changed, 34 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c
> > b/drivers/media/usb/dvb-usb-v2/af9035.c
> > index eabede4..ca018cd 100644
> > --- a/drivers/media/usb/dvb-usb-v2/af9035.c
> > +++ b/drivers/media/usb/dvb-usb-v2/af9035.c
> > @@ -496,7 +496,8 @@ static int af9035_identify_state(struct dvb_usb_device
> > *d, const char **name)
> > {
> > struct state *state = d_to_priv(d);
> > struct usb_interface *intf = d->intf;
> > - int ret;
> > + int ret, ts_mode_invalid;
> > + u8 tmp;
> > u8 wbuf[1] = { 1 };
> > u8 rbuf[4];
> > struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
> > @@ -530,6 +531,36 @@ static int af9035_identify_state(struct dvb_usb_device
> > *d, const char **name)
> > state->eeprom_addr = EEPROM_BASE_AF9035;
> > }
> >
> > +
> > + /* check for dual tuner mode */
> > + ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
> > + if (ret < 0)
> > + goto err;
> > +
> > + ts_mode_invalid = 0;
> > + switch (tmp) {
> > + case 0:
> > + break;
> > + case 1:
> > + case 3:
> > + state->dual_mode = true;
> > + break;
> > + case 5:
> > + if (state->chip_type != 0x9135 && state->chip_type != 0x9306)
> > + state->dual_mode = true; /* AF9035 */
> > + else
> > + ts_mode_invalid = 1;
> > + break;
> > + default:
> > + ts_mode_invalid = 1;
> > + }
> > +
> > + dev_dbg(&intf->dev, "ts mode=%d dual mode=%d\n", tmp, state->dual_mode);
> > +
> > + if (ts_mode_invalid)
> > + dev_info(&intf->dev, "ts mode=%d not supported, defaulting to
> > single tuner mode!", tmp);
> > +
> > +
> > ret = af9035_ctrl_msg(d, &req);
> > if (ret < 0)
> > goto err;
> > @@ -698,11 +729,7 @@ static int af9035_download_firmware(struct
> > dvb_usb_device *d,
> > * which is done by master demod.
> > * Master feeds also clock and controls power via GPIO.
> > */
> > - ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
> > - if (ret < 0)
> > - goto err;
> > -
> > - if (tmp == 1 || tmp == 3 || tmp == 5) {
> > + if (state->dual_mode) {
> > /* configure gpioh1, reset & power slave demod */
> > ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
> > if (ret < 0)
> > @@ -835,17 +862,6 @@ static int af9035_read_config(struct dvb_usb_device *d)
> > }
> >
> >
> > -
> > - /* check if there is dual tuners */
> > - ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
> > - if (ret < 0)
> > - goto err;
> > -
> > - if (tmp == 1 || tmp == 3 || tmp == 5)
> > - state->dual_mode = true;
> > -
> > - dev_dbg(&intf->dev, "ts mode=%d dual mode=%d\n", tmp, state->dual_mode);
> > -
> > if (state->dual_mode) {
> > /* read 2nd demodulator I2C address */
> > ret = af9035_rd_reg(d,
> > diff --git a/drivers/media/usb/dvb-usb-v2/af9035.h
> > b/drivers/media/usb/dvb-usb-v2/af9035.h
> > index c91d1a3..1f83c92 100644
> > --- a/drivers/media/usb/dvb-usb-v2/af9035.h
> > +++ b/drivers/media/usb/dvb-usb-v2/af9035.h
> > @@ -113,7 +113,7 @@ static const u32 clock_lut_it9135[] = {
> > * 0 TS
> > * 1 DCA + PIP
> > * 3 PIP
> > - * 5 DCA + PIP
> > + * 5 DCA + PIP (AF9035 only)
> > * n DCA
> > *
> > * Values 0, 3 and 5 are seen to this day. 0 for single TS and 3/5 for
> > dual TS.
> >
>
Thanks,
Mauro
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