Re: cx23885: DVBSky S952 dvb_register failed err = -22

[Ole Ernst <olebowle@gmx.com>]

Hi Max,

I get a chip_id of 0x81, which returns -ENODEV in the default branch of
the subsequent switch. So I guess my S952 is too old? :-( How hard would
it be to add support for it?

Thanks,
Ole

Am 17.03.2015 um 02:53 schrieb Nibble Max:
> Hello,
> 
> what is the "chip_id" debug output from m88ts2022 module?
> 
> I think you maybe hold the old S952 card.
> Its satellite tuner is M88TS2020, not M88TS2022.
> 
> Best Regards,
> Max
> On 2015-03-15 19:07:07, Ole Ernst <olebowle@gmx.com> wrote:
>> Hi Antti,
>>
>> thanks for your quick response! Based on lsmod and modinfo I do have
>> m88ts2022.
>>
>> $ lsmod | grep m88
>> m88ts2022              16898  0
>> regmap_i2c             12783  1 m88ts2022
>> m88ds3103              21452  0
>> i2c_mux                12534  1 m88ds3103
>> dvb_core              102038  4 cx23885,altera_ci,m88ds3103,videobuf2_dvb
>> i2c_core               50240  13
>> drm,i2c_i801,cx23885,cx25840,m88ts2022,i2c_mux,regmap_i2c,nvidia,v4l2_common,tveeprom,m88ds3103,tda18271,videodev
>>
>> $ modinfo m88ts2022
>> filename:
>> /lib/modules/3.19.1-1-ARCH/kernel/drivers/media/tuners/m88ts2022.ko.gz
>> license:        GPL
>> author:         Antti Palosaari <crope@iki.fi>
>> description:    Montage M88TS2022 silicon tuner driver
>> alias:          i2c:m88ts2022
>> depends:        i2c-core,regmap-i2c
>> intree:         Y
>> vermagic:       3.19.1-1-ARCH SMP preempt mod_unload modversions
>>
>> Thanks,
>> Ole
>>
>> Am 15.03.2015 um 11:49 schrieb Antti Palosaari:
>>> You don't have m88ts2022 driver installed.
>>>
>>> Antti
>>>
>>> On 03/15/2015 12:26 PM, Ole Ernst wrote:
>>>> Hi,
>>>>
>>>> I added some printk in cx23885-dvb.c and the problem is in
>>>> i2c_new_device:
>>>> https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/drivers/media/pci/cx23885/cx23885-dvb.c?id=refs/tags/v3.19.1#n1935
>>>>
>>>>
>>>> The returned client_tuner is not NULL, but client_tuner->dev.driver is.
>>>> Hence it will goto frontend_detach, which will then return -EINVAL. Any
>>>> idea why client_tuner->dev.driver is NULL?
>>>>
>>>> Thanks,
>>>> Ole
>>>>
>>>> Am 14.03.2015 um 20:54 schrieb Ole Ernst:
>>>>> Hi,
>>>>>
>>>>> using linux-3.19.1-1 (Archlinux) I get the following output while
>>>>> booting without the media-build-tree provided by DVBSky:
>>>>>
>>>>> cx23885 driver version 0.0.4 loaded
>>>>> cx23885 0000:04:00.0: enabling device (0000 -> 0002)
>>>>> CORE cx23885[0]: subsystem: 4254:0952, board: DVBSky S952
>>>>> [card=50,autodetected]
>>>>> cx25840 3-0044: cx23885 A/V decoder found @ 0x88 (cx23885[0])
>>>>> cx25840 3-0044: loaded v4l-cx23885-avcore-01.fw firmware (16382 bytes)
>>>>> cx23885_dvb_register() allocating 1 frontend(s)
>>>>> cx23885[0]: cx23885 based dvb card
>>>>> i2c i2c-2: m88ds3103_attach: chip_id=70
>>>>> i2c i2c-2: Added multiplexed i2c bus 4
>>>>> cx23885_dvb_register() dvb_register failed err = -22
>>>>> cx23885_dev_setup() Failed to register dvb adapters on VID_B
>>>>> cx23885_dvb_register() allocating 1 frontend(s)
>>>>> cx23885[0]: cx23885 based dvb card
>>>>> i2c i2c-1: m88ds3103_attach: chip_id=70
>>>>> i2c i2c-1: Added multiplexed i2c bus 4
>>>>> cx23885_dvb_register() dvb_register failed err = -22
>>>>> cx23885_dev_setup() Failed to register dvb on VID_C
>>>>> cx23885_dev_checkrevision() Hardware revision = 0xa5
>>>>> cx23885[0]/0: found at 0000:04:00.0, rev: 4, irq: 17, latency: 0, mmio:
>>>>> 0xf7200000
>>>>>
>>>>> Obviously there are no device in /dev/dvb. Using the media-build-tree
>>>>> works just fine though. The following firmware files are installed in
>>>>> /usr/lib/firmware:
>>>>> dvb-demod-m88ds3103.fw
>>>>> dvb-demod-m88rs6000.fw
>>>>> dvb-demod-si2168-a20-01.fw
>>>>> dvb-demod-si2168-a30-01.fw
>>>>> dvb-demod-si2168-b40-01.fw
>>>>> dvb-fe-ds300x.fw
>>>>> dvb-fe-ds3103.fw
>>>>> dvb-fe-rs6000.fw
>>>>> dvb-tuner-si2158-a20-01.fw
>>>>>
>>>>> Output of lspci -vvvnn:
>>>>> https://gist.githubusercontent.com/olebowle/6a4108363a9d1f7dd033/raw/lscpi
>>>>>
>>>>>
>>>>> I also set the module parameters debug, i2c_debug, irq_debug and
>>>>> irq_debug in cx23885.
>>>>> The output is pretty verbose and can be found here:
>>>>> https://gist.githubusercontent.com/olebowle/6a4108363a9d1f7dd033/raw/debug.log
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Ole
>>>>> -- 
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>>>
>