From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lb3-smtp-cloud2.xs4all.net ([194.109.24.29]:58103 "EHLO lb3-smtp-cloud2.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752518AbbEGGW3 (ORCPT ); Thu, 7 May 2015 02:22:29 -0400 Message-ID: <554B0496.7050902@xs4all.nl> Date: Thu, 07 May 2015 08:22:14 +0200 From: Hans Verkuil MIME-Version: 1.0 To: Linux Media Mailing List CC: Sakari Ailus Subject: [PATCH] sta2x11: use monotonic timestamp Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: V4L2 drivers should use MONOTONIC timestamps instead of gettimeofday, which is affected by daylight savings time. diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index d384a6b..59b3a36 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -813,7 +813,7 @@ static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip) /* Disable acquisition */ reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA); /* Remove the active buffer from the list */ - do_gettimeofday(&vip->active->vb.v4l2_buf.timestamp); + v4l2_get_timestamp(&vip->active->vb.v4l2_buf.timestamp); vip->active->vb.v4l2_buf.sequence = vip->sequence++; vb2_buffer_done(&vip->active->vb, VB2_BUF_STATE_DONE); } @@ -864,6 +864,7 @@ static int sta2x11_vip_init_buffer(struct sta2x11_vip *vip) vip->vb_vidq.buf_struct_size = sizeof(struct vip_buffer); vip->vb_vidq.ops = &vip_video_qops; vip->vb_vidq.mem_ops = &vb2_dma_contig_memops; + vip->vb_vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; err = vb2_queue_init(&vip->vb_vidq); if (err) return err;