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From: Antti Palosaari <crope@iki.fi>
To: Benjamin Larsson <benjamin@southpole.se>, mchehab@osg.samsung.com
Cc: Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: [PATCH 04/10] rtl28xxu: swap frontend order for slave demods
Date: Mon, 16 Mar 2015 23:04:03 +0200	[thread overview]
Message-ID: <55074543.4060303@iki.fi> (raw)
In-Reply-To: <550740A7.2080809@southpole.se>

On 03/16/2015 10:44 PM, Benjamin Larsson wrote:
> On 03/15/2015 11:57 PM, Benjamin Larsson wrote:
>> Some devices have 2 demodulators, when this is the case
>> make the slave demod be listed first. Enumerating the slave
>> first will help legacy applications to use the hardware.
>>
>
> Ignore this patch for now. Stuff gets broken if applied.

I will not apply it even you fix it. I don't like idea adding such hack 
to kernel in order to workaround buggy applications. There is many older 
devices having similar situation, having 2 demods - one for DVB-T and 
one for DVB-C. So there has been surely enough time for app developers 
to add support for multiple frontends... laziness.

Quite same happened for DVB-T2 support. I added initially hack for 
CXD2820R driver in order to support DVB-T2 even applications are not 
supporting it. That was implemented using trick driver did DVB-T2 tune 
when DVB-T tune fails. After many years I did another DVB-T2 driver 
Si2168 and didn't add such hack anymore. And what was result; almost all 
applications were still lacking proper DVB-T2 support, after many many 
years...

So I will never ever add any hacks to driver to workaround application 
support as application developers are so lazy to add support or new 
things if there is some workaround available.

regards
Antti

-- 
http://palosaari.fi/

  reply	other threads:[~2015-03-16 21:04 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-15 22:57 [PATCH 01/10] r820t: add DVBC profile in sysfreq_sel Benjamin Larsson
2015-03-15 22:57 ` [PATCH 02/10] r820t: change read_gain() code to match register layout Benjamin Larsson
2015-03-16 21:23   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 03/10] rtl28xxu: lower the rc poll time to mitigate i2c transfer errors Benjamin Larsson
2015-03-16 21:26   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 04/10] rtl28xxu: swap frontend order for slave demods Benjamin Larsson
2015-03-16 20:44   ` Benjamin Larsson
2015-03-16 21:04     ` Antti Palosaari [this message]
2015-03-16 21:22       ` Benjamin Larsson
2015-03-15 22:57 ` [PATCH 05/10] mn88472: implement lock for all delivery systems Benjamin Larsson
2015-03-16 21:30   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 06/10] mn88472: implement firmware parity check Benjamin Larsson
2015-03-16 21:37   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 07/10] mn88473: " Benjamin Larsson
2015-03-16 21:39   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 08/10] mn88473: check if firmware is already running before loading it Benjamin Larsson
2015-03-16 21:41   ` Antti Palosaari
2015-03-16 21:43   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 09/10] mn88472: " Benjamin Larsson
2015-03-16 21:45   ` Antti Palosaari
2015-03-15 22:57 ` [PATCH 10/10] mn88473: implement lock for all delivery systems Benjamin Larsson
2015-03-16 21:47   ` Antti Palosaari
2015-03-16 22:44     ` Antti Palosaari
2015-03-16 23:10       ` Benjamin Larsson
2015-03-18 21:13         ` Antti Palosaari
2015-03-18 21:40           ` Benjamin Larsson
2015-03-16 21:14 ` [PATCH 01/10] r820t: add DVBC profile in sysfreq_sel Antti Palosaari

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