From patchwork Thu Jun 12 23:12:24 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 4345581 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 84B299F314 for ; Thu, 12 Jun 2014 23:12:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DDC5F20254 for ; Thu, 12 Jun 2014 23:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1DA4201B9 for ; Thu, 12 Jun 2014 23:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750811AbaFLXMb (ORCPT ); Thu, 12 Jun 2014 19:12:31 -0400 Received: from mail.kapsi.fi ([217.30.184.167]:56134 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750777AbaFLXMa (ORCPT ); Thu, 12 Jun 2014 19:12:30 -0400 Received: from 85-23-164-3.bb.dnainternet.fi ([85.23.164.3] helo=localhost.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1WvEAX-0003DC-1V; Fri, 13 Jun 2014 02:12:29 +0300 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH] af9035: override tuner for AVerMedia A835B devices Date: Fri, 13 Jun 2014 02:12:24 +0300 Message-Id: <1402614744-15723-1-git-send-email-crope@iki.fi> X-Mailer: git-send-email 1.9.3 X-SA-Exim-Connect-IP: 85.23.164.3 X-SA-Exim-Mail-From: crope@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Tuner ID set into EEPROM is wrong, which causes driver to select wrong tuner profile. That leads device non-working. Fix issue by overriding known bad tuner IDs with suitable default value. Signed-off-by: Antti Palosaari --- drivers/media/usb/dvb-usb-v2/af9035.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 021e4d3..204a91a 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -773,6 +773,25 @@ static int af9035_read_config(struct dvb_usb_device *d) addr += 0x10; /* shift for the 2nd tuner params */ } + /* + * These AVerMedia devices has a bad EEPROM content :-( + * Override some wrong values here. + */ + if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) { + switch (le16_to_cpu(d->udev->descriptor.idProduct)) { + case USB_PID_AVERMEDIA_A835B_1835: + case USB_PID_AVERMEDIA_A835B_2835: + case USB_PID_AVERMEDIA_A835B_3835: + dev_info(&d->udev->dev, + "%s: overriding tuner from %02x to %02x\n", + KBUILD_MODNAME, state->af9033_config[0].tuner, + AF9033_TUNER_IT9135_60); + + state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60; + break; + } + } + skip_eeprom: /* get demod clock */ ret = af9035_rd_reg(d, 0x00d800, &tmp);