From patchwork Sat Dec 13 00:18:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Larsson X-Patchwork-Id: 27456 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1XzaQH-0007lC-GA; Sat, 13 Dec 2014 01:19:01 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-6) with esmtp id 1XzaQE-0002p1-6O; Sat, 13 Dec 2014 01:19:00 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753887AbaLMAS4 (ORCPT + 1 other); Fri, 12 Dec 2014 19:18:56 -0500 Received: from smtp.bredband2.com ([83.219.192.166]:52969 "EHLO smtp.bredband2.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753836AbaLMASz (ORCPT ); Fri, 12 Dec 2014 19:18:55 -0500 Received: from localhost.localdomain (92-244-23-216.customers.ownit.se [92.244.23.216]) (Authenticated sender: ed8153) by smtp.bredband2.com (Postfix) with ESMTPA id 23DD899F0; Sat, 13 Dec 2014 01:18:46 +0100 (CET) From: Benjamin Larsson To: crope@iki.fi Cc: Linux Media Mailing List Subject: [PATCH 4/4] mn88472: implemented ber reporting Date: Sat, 13 Dec 2014 01:18:45 +0100 Message-Id: <1418429925-16342-4-git-send-email-benjamin@southpole.se> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1418429925-16342-1-git-send-email-benjamin@southpole.se> References: <1418429925-16342-1-git-send-email-benjamin@southpole.se> 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: 2014.12.13.920 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1600_1699 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __REFERENCES 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' Signed-off-by: Benjamin Larsson Reviewed-by: Antti Palosaari --- drivers/staging/media/mn88472/mn88472.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/staging/media/mn88472/mn88472.c b/drivers/staging/media/mn88472/mn88472.c index 746cc94..8b35639 100644 --- a/drivers/staging/media/mn88472/mn88472.c +++ b/drivers/staging/media/mn88472/mn88472.c @@ -392,6 +392,36 @@ err: return ret; } +static int mn88472_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct i2c_client *client = fe->demodulator_priv; + struct mn88472_dev *dev = i2c_get_clientdata(client); + int ret, err, len; + u8 data[3]; + + dev_dbg(&client->dev, "%s:\n", __func__); + + ret = regmap_bulk_read(dev->regmap[0], 0x9F , data, 3); + if (ret) + goto err; + err = data[0]<<16 | data[1]<<8 | data[2]; + + ret = regmap_bulk_read(dev->regmap[0], 0xA2 , data, 2); + if (ret) + goto err; + len = data[0]<<8 | data[1]; + + if (len) + *ber = (err*100)/len; + else + *ber = 0; + + return 0; +err: + dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + static struct dvb_frontend_ops mn88472_ops = { .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A}, .info = { @@ -425,6 +455,7 @@ static struct dvb_frontend_ops mn88472_ops = { .set_frontend = mn88472_set_frontend, .read_status = mn88472_read_status, + .read_ber = mn88472_read_ber, }; static int mn88472_probe(struct i2c_client *client,