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From: Philipp Zabel <philipp.zabel@gmail.com>
To: linux-media@vger.kernel.org
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Philipp Zabel <philipp.zabel@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>
Subject: [PATCH 2/3] [media] uvcvideo: flag variable length control on Oculus Rift CV1 Sensor
Date: Fri, 14 Jul 2017 22:14:23 +0200	[thread overview]
Message-ID: <20170714201424.23592-2-philipp.zabel@gmail.com> (raw)
In-Reply-To: <20170714201424.23592-1-philipp.zabel@gmail.com>

The extension unit controls with selectors 11 and 12 are used to make the
eSP770u webcam controller issue SPI transfers to configure the nRF51288
radio or to read the flash storage. Depending on internal state controlled
by selector 11, selector 12 reports different lengths.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/media/usb/uvc/uvc_ctrl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index ce69e2c6937d..86cb16a2e7f4 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1613,6 +1613,9 @@ static void uvc_ctrl_fixup_xu_info(struct uvc_device *dev,
 			UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX |
 			UVC_CTRL_FLAG_GET_DEF | UVC_CTRL_FLAG_SET_CUR |
 			UVC_CTRL_FLAG_AUTO_UPDATE },
+		{ { USB_DEVICE(0x2833, 0x0211) }, 4, 12,
+			UVC_CTRL_FLAG_GET_RANGE | UVC_CTRL_FLAG_SET_CUR |
+			UVC_CTRL_FLAG_VARIABLE_LEN },
 	};
 
 	unsigned int i;
-- 
2.13.2

  reply	other threads:[~2017-07-14 20:14 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14 20:14 [PATCH 1/3] [media] uvcvideo: variable size controls Philipp Zabel
2017-07-14 20:14 ` Philipp Zabel [this message]
2017-07-14 20:14 ` [PATCH 3/3] [media] uvcvideo: skip non-extension unit controls on Oculus Rift Sensors Philipp Zabel
2017-07-15  9:54   ` Laurent Pinchart
2017-07-15 13:13     ` Philipp Zabel
2017-07-17  2:25       ` Laurent Pinchart
2017-07-24  5:52         ` Philipp Zabel
2017-07-24 23:10           ` Laurent Pinchart
2017-07-25  5:51             ` Philipp Zabel
2017-07-15  9:49 ` [PATCH 1/3] [media] uvcvideo: variable size controls Laurent Pinchart
2017-07-15 12:54   ` Philipp Zabel

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