From patchwork Thu Jul 14 22:09:47 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarod Wilson X-Patchwork-Id: 976662 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p6EMA8KC024718 for ; Thu, 14 Jul 2011 22:10:09 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754847Ab1GNWKA (ORCPT ); Thu, 14 Jul 2011 18:10:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:61201 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754780Ab1GNWJ7 (ORCPT ); Thu, 14 Jul 2011 18:09:59 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p6EM9xrK020692 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 14 Jul 2011 18:09:59 -0400 Received: from xavier.bos.redhat.com (xavier.bos.redhat.com [10.16.16.50]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p6EM9u6H011180; Thu, 14 Jul 2011 18:09:58 -0400 From: Jarod Wilson To: linux-media@vger.kernel.org Cc: Jarod Wilson Subject: [PATCH 2/9] [media] mceusb: give hardware time to reply to cmds Date: Thu, 14 Jul 2011 18:09:47 -0400 Message-Id: <1310681394-3530-3-git-send-email-jarod@redhat.com> In-Reply-To: <1310681394-3530-1-git-send-email-jarod@redhat.com> References: <1310681394-3530-1-git-send-email-jarod@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 14 Jul 2011 22:10:09 +0000 (UTC) Sometimes the init routine is blasting commands out to the hardware faster than it can reply. Throw a brief delay in there to give the hardware a chance to reply before we send the next command. Signed-off-by: Jarod Wilson --- drivers/media/rc/mceusb.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 111bead..13a853b 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #define DRIVER_VERSION "1.91" @@ -735,6 +736,7 @@ static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) { mce_request_packet(ir, data, size, MCEUSB_TX); + mdelay(10); } static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)