From patchwork Wed Apr 17 00:42:23 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 2451991 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 4B809DFF66 for ; Wed, 17 Apr 2013 00:43:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755280Ab3DQAnt (ORCPT ); Tue, 16 Apr 2013 20:43:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38718 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754659Ab3DQAmu (ORCPT ); Tue, 16 Apr 2013 20:42:50 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r3H0gnVw024253 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 16 Apr 2013 20:42:49 -0400 Received: from pedra (vpn1-7-94.gru2.redhat.com [10.97.7.94]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r3H0gkO7025175 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 16 Apr 2013 20:42:49 -0400 Received: from v4l by pedra with local (Exim 4.80.1) (envelope-from ) id 1USGST-0001HX-Eo; Tue, 16 Apr 2013 21:42:45 -0300 From: Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab , Linux Media Mailing List Subject: [PATCH v2 12/31] [media] r820t: Invert bits for read ops Date: Tue, 16 Apr 2013 21:42:23 -0300 Message-Id: <1366159362-3773-13-git-send-email-mchehab@redhat.com> In-Reply-To: <1366159362-3773-1-git-send-email-mchehab@redhat.com> References: <1366159362-3773-1-git-send-email-mchehab@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 To: unlisted-recipients:; (no To-header on input) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On read, the bit order is inverted. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/r820t.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c index 48ff6bb..79ab2b7 100644 --- a/drivers/media/tuners/r820t.c +++ b/drivers/media/tuners/r820t.c @@ -35,8 +35,10 @@ #include #include #include -#include "tuner-i2c.h" +#include #include + +#include "tuner-i2c.h" #include "r820t.h" /* @@ -414,7 +416,7 @@ static int r820t_write_reg_mask(struct r820t_priv *priv, u8 reg, u8 val, static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len) { - int rc; + int rc, i; u8 *p = &priv->buf[1]; priv->buf[0] = reg; @@ -431,7 +433,8 @@ static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len) __func__, reg, len, len, p); /* Copy data to the output buffer */ - memcpy(val, p, len); + for (i = 0; i < len; i++) + val[i] = bitrev8(p[i]); return 0; }