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[85.222.29.84]) by mx.google.com with ESMTPS id 28sm19857228wby.3.2011.12.04.07.16.40 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 04 Dec 2011 07:16:41 -0800 (PST) From: Sylwester Nawrocki To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, sakari.ailus@iki.fi, hverkuil@xs4all.nl, riverful.kim@samsung.com, s.nawrocki@samsung.com, Kyungmin Park Subject: [RFC/PATCH 2/5] uvc: Adapt the driver to new type of V4L2_CID_FOCUS_AUTO control Date: Sun, 4 Dec 2011 16:16:13 +0100 Message-Id: <1323011776-15967-3-git-send-email-snjw23@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1323011776-15967-1-git-send-email-snjw23@gmail.com> References: <1323011776-15967-1-git-send-email-snjw23@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2011.12.4.150315 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' FORGED_FROM_GMAIL 0.1, MULTIPLE_RCPTS 0.1, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, __ANY_URI 0, __CP_MEDIA_BODY 0, __CP_URI_IN_BODY 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __FROM_GMAIL 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' X-LSpam-Score: -4.2 (----) X-LSpam-Report: No, score=-4.2 required=5.0 tests=BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_MED=-2.3, T_DKIM_INVALID=0.01 autolearn=ham From: Heungjun Kim The V4L2_CID_FOCUS_AUTO control has been converted from boolean type, where control's value 0 and 1 were corresponding to manual and automatic focus respectively, to menu type with following menu items: 0 - V4L2_FOCUS_MANUAL, 1 - V4L2_FOCUS_AUTO, 2 - V4L2_FOCUS_AUTO_MACRO, 3 - V4L2_FOCUS_AUTO_CONTINUOUS. According to this change the uvc control mappings are modified to retain original sematics, where 0 corresponds to manual and 1 to auto focus. Signed-off-by: Heungjun Kim Signed-off-by: Kyungmin Park Signed-off-by: Sylwester Nawrocki --- The V4L2_CID_FOCUS_AUTO control in V4L2_FOCUS_AUTO mode does only a one-shot auto focus, when switched from V4L2_FOCUS_MANUAL. It might be worth to implement also the V4L2_CID_DO_AUTO_FOCUS button control in uvc, however I didn't take time yet to better understand the driver and add this. I also don't have any uvc hardware to test this patch so it's just compile tested. --- drivers/media/video/uvc/uvc_ctrl.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 254d326..6860ca1 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -365,6 +365,11 @@ static struct uvc_menu_info exposure_auto_controls[] = { { 8, "Aperture Priority Mode" }, }; +static struct uvc_menu_info focus_auto_controls[] = { + { 0, "Manual Mode" }, + { 1, "Auto Mode" }, +}; + static __s32 uvc_ctrl_get_zoom(struct uvc_control_mapping *mapping, __u8 query, const __u8 *data) { @@ -592,8 +597,10 @@ static struct uvc_control_mapping uvc_ctrl_mappings[] = { .selector = UVC_CT_FOCUS_AUTO_CONTROL, .size = 1, .offset = 0, - .v4l2_type = V4L2_CTRL_TYPE_BOOLEAN, + .v4l2_type = V4L2_CTRL_TYPE_MENU, .data_type = UVC_CTRL_DATA_TYPE_BOOLEAN, + .menu_info = focus_auto_controls, + .menu_count = ARRAY_SIZE(focus_auto_controls), }, { .id = V4L2_CID_IRIS_ABSOLUTE,