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From: Antti Palosaari <crope@iki.fi>
To: Bogdan Oprea <bogdaninedit@yahoo.com>
Cc: "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>
Subject: Re: drivers:media:tuners:fc2580c fix for Asus U3100Mini Plus error while loading driver (-19)
Date: Mon, 01 Jul 2013 16:21:26 +0300	[thread overview]
Message-ID: <51D18256.8020407@iki.fi> (raw)
In-Reply-To: <1372661590.52145.YahooMailNeo@web162304.mail.bf1.yahoo.com>

On 07/01/2013 09:53 AM, Bogdan Oprea wrote:
> this is a fix for this type of error
>
> [18384.579235] usb 6-5: dvb_usb_v2: 'Asus U3100Mini Plus' error while loading driver (-19)
> [18384.580621] usb 6-5: dvb_usb_v2: 'Asus U3100Mini Plus' successfully deinitialized and disconnected
>

--- a/drivers/media/tuners/fc2580.c
+++ b/drivers/media/tuners/fc2580.c
@@ -506,6 +506,7 @@
         switch (chip_id) {
         case 0x56:
         case 0x5a:
+       case 0xff:
                 break;
         default:
                 goto err;


That does not look correct. If chip id reading is returning 0x00 or 0xff 
it is about 100% sure there is I2C communication failure.

Could you make some test and tweak it a little bit more to see what is 
problem. Does I2C read work after that or is it failing all the time?

regards
Antti


-- 
http://palosaari.fi/

      parent reply	other threads:[~2013-07-01 13:22 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1372660460.41879.YahooMailNeo@web162304.mail.bf1.yahoo.com>
2013-07-01  6:53 ` drivers:media:tuners:fc2580c fix for Asus U3100Mini Plus error while loading driver (-19) Bogdan Oprea
2013-07-01  7:52   ` Oliver Schinagl
2013-07-01 13:23     ` Antti Palosaari
2013-07-01 13:26       ` Oliver Schinagl
2013-07-01 13:36         ` Antti Palosaari
2013-07-01 13:55           ` Michael Krufky
2013-07-01 20:39         ` Oliver Schinagl
2013-07-01 20:51           ` Antti Palosaari
2013-07-01 21:03             ` Oliver Schinagl
2013-07-01 22:37               ` Antti Palosaari
2013-07-02  7:04                 ` Oliver Schinagl
2013-07-02 19:55                   ` Antti Palosaari
2013-07-02 20:20                     ` Oliver Schinagl
2013-07-03 17:05                     ` Bogdan Oprea
2013-07-01 13:21   ` Antti Palosaari [this message]

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