From patchwork Sun Dec 9 19:56:17 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 1854181 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 04C783FCF2 for ; Sun, 9 Dec 2012 19:57:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758886Ab2LIT5M (ORCPT ); Sun, 9 Dec 2012 14:57:12 -0500 Received: from mail.kapsi.fi ([217.30.184.167]:43744 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751919Ab2LIT5M (ORCPT ); Sun, 9 Dec 2012 14:57:12 -0500 Received: from dyn3-82-128-185-21.psoas.suomi.net ([82.128.185.21] helo=localhost.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1Thmzu-0001va-J7; Sun, 09 Dec 2012 21:57:10 +0200 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari , Hans-Frieder Vogt Subject: [PATCH RFC 06/17] fc0012: add RF loop through Date: Sun, 9 Dec 2012 21:56:17 +0200 Message-Id: <1355082988-6211-6-git-send-email-crope@iki.fi> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1355082988-6211-1-git-send-email-crope@iki.fi> References: <1355082988-6211-1-git-send-email-crope@iki.fi> X-SA-Exim-Connect-IP: 82.128.185.21 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 Cc: Hans-Frieder Vogt Signed-off-by: Antti Palosaari --- drivers/media/tuners/fc0012-priv.h | 1 + drivers/media/tuners/fc0012.c | 7 +++++++ drivers/media/tuners/fc0012.h | 5 +++++ 3 files changed, 13 insertions(+) diff --git a/drivers/media/tuners/fc0012-priv.h b/drivers/media/tuners/fc0012-priv.h index 4577c91..1195ee9 100644 --- a/drivers/media/tuners/fc0012-priv.h +++ b/drivers/media/tuners/fc0012-priv.h @@ -32,6 +32,7 @@ struct fc0012_priv { struct i2c_adapter *i2c; + const struct fc0012_config *cfg; u8 addr; u8 dual_master; u8 xtal_freq; diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c index 5ede0c0..636f951 100644 --- a/drivers/media/tuners/fc0012.c +++ b/drivers/media/tuners/fc0012.c @@ -101,6 +101,9 @@ static int fc0012_init(struct dvb_frontend *fe) if (priv->dual_master) reg[0x0c] |= 0x02; + if (priv->cfg->loop_through) + reg[0x09] |= 0x01; + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */ @@ -445,6 +448,7 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, return NULL; priv->i2c = i2c; + priv->cfg = cfg; priv->dual_master = cfg->dual_master; priv->addr = cfg->i2c_address; priv->xtal_freq = cfg->xtal_freq; @@ -453,6 +457,9 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, fe->tuner_priv = priv; + if (priv->cfg->loop_through) + fc0012_writereg(priv, 0x09, 0x6f); + memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops, sizeof(struct dvb_tuner_ops)); diff --git a/drivers/media/tuners/fc0012.h b/drivers/media/tuners/fc0012.h index 41946f8..891d66d 100644 --- a/drivers/media/tuners/fc0012.h +++ b/drivers/media/tuners/fc0012.h @@ -36,6 +36,11 @@ struct fc0012_config { enum fc001x_xtal_freq xtal_freq; int dual_master; + + /* + * RF loop-through + */ + bool loop_through; }; #if defined(CONFIG_MEDIA_TUNER_FC0012) || \