Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753298AbbHUIC7 (ORCPT ); Fri, 21 Aug 2015 04:02:59 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:50820 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753099AbbHUICx (ORCPT ); Fri, 21 Aug 2015 04:02:53 -0400 From: Josh Wu To: Linux Media Mailing List , "Guennadi Liakhovetski" , Laurent Pinchart CC: Josh Wu , Mauro Carvalho Chehab , Subject: [PATCH v3 2/3] media: atmel-isi: move configure_geometry() to start_streaming() Date: Fri, 21 Aug 2015 16:08:13 +0800 Message-ID: <1440144494-11800-2-git-send-email-josh.wu@atmel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440144494-11800-1-git-send-email-josh.wu@atmel.com> References: <1440144494-11800-1-git-send-email-josh.wu@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2347 Lines: 67 As in set_fmt() function we only need to know which format is been set, we don't need to access the ISI hardware in this moment. So move the configure_geometry(), which access the ISI hardware, to start_streaming() will make code more consistent and simpler. Signed-off-by: Josh Wu Reviewed-by: Laurent Pinchart --- Changes in v3: None Changes in v2: - Add Laurent's reviewed-by tag. drivers/media/platform/soc_camera/atmel-isi.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index b67da70..fe9247a 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -390,6 +390,11 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) /* Disable all interrupts */ isi_writel(isi, ISI_INTDIS, (u32)~0UL); + ret = configure_geometry(isi, icd->user_width, icd->user_height, + icd->current_fmt->code); + if (ret < 0) + return ret; + spin_lock_irq(&isi->lock); /* Clear any pending interrupt */ isi_readl(isi, ISI_STATUS); @@ -477,8 +482,6 @@ static int isi_camera_init_videobuf(struct vb2_queue *q, static int isi_camera_set_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct atmel_isi *isi = ici->priv; struct v4l2_subdev *sd = soc_camera_to_subdev(icd); const struct soc_camera_format_xlate *xlate; struct v4l2_pix_format *pix = &f->fmt.pix; @@ -511,16 +514,6 @@ static int isi_camera_set_fmt(struct soc_camera_device *icd, if (mf->code != xlate->code) return -EINVAL; - /* Enable PM and peripheral clock before operate isi registers */ - pm_runtime_get_sync(ici->v4l2_dev.dev); - - ret = configure_geometry(isi, pix->width, pix->height, xlate->code); - - pm_runtime_put(ici->v4l2_dev.dev); - - if (ret < 0) - return ret; - pix->width = mf->width; pix->height = mf->height; pix->field = mf->field; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/