From patchwork Fri May 15 21:32:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 29678 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1YtNEB-0000PW-GM; Fri, 15 May 2015 23:33:07 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-5) with esmtp id 1YtNE9-0007JX-7z; Fri, 15 May 2015 23:33:07 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992603AbbEOVdC (ORCPT + 1 other); Fri, 15 May 2015 17:33:02 -0400 Received: from mail-wg0-f54.google.com ([74.125.82.54]:34251 "EHLO mail-wg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992579AbbEOVdA (ORCPT ); Fri, 15 May 2015 17:33:00 -0400 Received: by wguv19 with SMTP id v19so65885323wgu.1; Fri, 15 May 2015 14:32:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:mime-version:content-type :content-transfer-encoding; bh=g0PlhbERAwWlQ87zdWHuo/p21i2XlRCnG+WIHtrGaJQ=; b=FY/EYbnp022v3+/GzcHKJnzMyrOtUGMAKOTs+GP84Av/PiOzsN3OeQJHhZX8Z5oPBm F+ns3oK6hu/wRrXUk9sOT2LLAuqjUbVaL117w7r78wq6VchONfltRhHHxpEL/LXfM8zq u6VJw7Hd/NzDZzmKjklvVW/eV12fzfM8P8JgJrULpgq/z/QW58Pxf9AfF9Xx29mUwWS4 jYzE/sRgUiyVGbHaTqxEltHzAH23CpeLFCNDDkm1tel1KLOYHXKEtFULz1vadOil6QBz Uld+6RvlWnsCLbQCoFiVkSFtjA+9RZIUBj1PrsB/otoS6Jo2hJ4adjx+jF1TYx9oqgPv 12Lg== X-Received: by 10.180.77.83 with SMTP id q19mr914593wiw.89.1431725578938; Fri, 15 May 2015 14:32:58 -0700 (PDT) Received: from Pali-Latitude.kolej.mff.cuni.cz (pali.kolej.mff.cuni.cz. [78.128.193.202]) by mx.google.com with ESMTPSA id bz11sm5121889wib.2.2015.05.15.14.32.57 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 May 2015 14:32:58 -0700 (PDT) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Mauro Carvalho Chehab , Greg Kroah-Hartman , Hans Verkuil , Pavel Machek Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, maxx , =?UTF-8?q?Pali=20Roh=C3=A1r?= Subject: [PATCH] radio-bcm2048: Fix region selection Date: Fri, 15 May 2015 23:32:51 +0200 Message-Id: <1431725571-7417-1-git-send-email-pali.rohar@gmail.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.5.15.212416 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' FORGED_FROM_GMAIL 0.1, MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1500_1599 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, CT_TEXT_PLAIN_UTF8_CAPS 0, DKIM_SIGNATURE 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FRAUD_BODY_WEBMAIL 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __FROM_GMAIL 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __URI_NO_WWW 0, __URI_NS , __YOUTUBE_RCVD 0' From: maxx This actually fixes region selection for BCM2048 FM receiver. To select the japanese FM-band an additional bit in FM_CTRL register needs to be set. This might not sound so important but it enables at least me to listen to some 'very interesting' radio transmission below normal FM-band. Patch writen by maxx@spaceboyz.net Signed-off-by: Pali Rohár Cc: maxx@spaceboyz.net --- drivers/staging/media/bcm2048/radio-bcm2048.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c index aeb6c3c..1482d4b 100644 --- a/drivers/staging/media/bcm2048/radio-bcm2048.c +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -739,7 +739,20 @@ static int bcm2048_set_region(struct bcm2048_device *bdev, u8 region) return -EINVAL; mutex_lock(&bdev->mutex); + bdev->region_info = region_configs[region]; + + bdev->cache_fm_ctrl &= ~BCM2048_BAND_SELECT; + if (region > 2) { + bdev->cache_fm_ctrl |= BCM2048_BAND_SELECT; + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_CTRL, + bdev->cache_fm_ctrl); + if (err) { + mutex_unlock(&bdev->mutex); + goto done; + } + } + mutex_unlock(&bdev->mutex); if (bdev->frequency < region_configs[region].bottom_frequency ||