Re: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
On 11/03/2021 23:19, Ricardo Ribalda wrote: > The device is doing something unspected with the control. Either because > the protocol is not properly implemented or there has been a HW error. > > Fixes v4l2-compliance: > > Control ioctls (Input 0): > fail: v4l2-test-controls.cpp(448): s_ctrl returned an error > (22) > test VIDIOC_G/S_CTRL: FAIL > fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an > error (22) > test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL > > Signed-off-by: Ricardo Ribalda Reviewed-by: Hans Verkuil Thanks! Hans > --- > drivers/media/usb/uvc/uvc_video.c | 5 + > 1 file changed, 5 insertions(+) > > diff --git a/drivers/media/usb/uvc/uvc_video.c > b/drivers/media/usb/uvc/uvc_video.c > index f2f565281e63..25fd8aa23529 100644 > --- a/drivers/media/usb/uvc/uvc_video.c > +++ b/drivers/media/usb/uvc/uvc_video.c > @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 > unit, > case 5: /* Invalid unit */ > case 6: /* Invalid control */ > case 7: /* Invalid Request */ > + /* > + * The firmware has not properly implemented > + * the control or there has been a HW error. > + */ > + return -EIO; > case 8: /* Invalid value within range */ > return -EINVAL; > default: /* reserved or unknown */ >
Re: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
Hi Laurent On Fri, Mar 12, 2021 at 12:30 AM Laurent Pinchart wrote: > > Hi Ricardo, > > On Thu, Mar 11, 2021 at 11:59:27PM +0100, Ricardo Ribalda Delgado wrote: > > On Thu, Mar 11, 2021 at 11:53 PM Laurent Pinchart wrote: > > > On Thu, Mar 11, 2021 at 11:19:43PM +0100, Ricardo Ribalda wrote: > > > > The device is doing something unspected with the control. Either because > > > > the protocol is not properly implemented or there has been a HW error. > > > > > > > > Fixes v4l2-compliance: > > > > > > > > Control ioctls (Input 0): > > > > fail: v4l2-test-controls.cpp(448): s_ctrl returned an > > > > error (22) > > > > test VIDIOC_G/S_CTRL: FAIL > > > > fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned > > > > an error (22) > > > > test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL > > > > > > > > Signed-off-by: Ricardo Ribalda > > > > > > The change looks good to me. > > > > > > Reviewed-by: Laurent Pinchart > > > > > > Which of the error codes below do you get with your camera, and for > > > which control ? > > > > Bus 001 Device 003: ID 05c8:03a2 Cheng Uei Precision Industry Co., Ltd > > (Foxlink) XiaoMi USB 2.0 Webcam > > > > info: checking extended control 'White Balance Temperature' (0x0098091a) > > Control error 7 > > info: checking extended control 'Exposure (Absolute)' (0x009a0902) > > Control error 6 > > :-S And what's the request (GET_CUR, GET_INFO, ...) ? Failed to query (SET_CUR) UVC control 10 on unit 2: -32 (exp. 2). Failed to query (SET_CUR) UVC control 4 on unit 1: -32 (exp. 4) > > > > > --- > > > > drivers/media/usb/uvc/uvc_video.c | 5 + > > > > 1 file changed, 5 insertions(+) > > > > > > > > diff --git a/drivers/media/usb/uvc/uvc_video.c > > > > b/drivers/media/usb/uvc/uvc_video.c > > > > index f2f565281e63..25fd8aa23529 100644 > > > > --- a/drivers/media/usb/uvc/uvc_video.c > > > > +++ b/drivers/media/usb/uvc/uvc_video.c > > > > @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 > > > > query, u8 unit, > > > > case 5: /* Invalid unit */ > > > > case 6: /* Invalid control */ > > > > case 7: /* Invalid Request */ > > > > + /* > > > > + * The firmware has not properly implemented > > > > + * the control or there has been a HW error. > > > > + */ > > > > + return -EIO; > > > > case 8: /* Invalid value within range */ > > > > return -EINVAL; > > > > default: /* reserved or unknown */ > > -- > Regards, > > Laurent Pinchart -- Ricardo Ribalda
Re: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
Hi Ricardo, On Thu, Mar 11, 2021 at 11:59:27PM +0100, Ricardo Ribalda Delgado wrote: > On Thu, Mar 11, 2021 at 11:53 PM Laurent Pinchart wrote: > > On Thu, Mar 11, 2021 at 11:19:43PM +0100, Ricardo Ribalda wrote: > > > The device is doing something unspected with the control. Either because > > > the protocol is not properly implemented or there has been a HW error. > > > > > > Fixes v4l2-compliance: > > > > > > Control ioctls (Input 0): > > > fail: v4l2-test-controls.cpp(448): s_ctrl returned an > > > error (22) > > > test VIDIOC_G/S_CTRL: FAIL > > > fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned > > > an error (22) > > > test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL > > > > > > Signed-off-by: Ricardo Ribalda > > > > The change looks good to me. > > > > Reviewed-by: Laurent Pinchart > > > > Which of the error codes below do you get with your camera, and for > > which control ? > > Bus 001 Device 003: ID 05c8:03a2 Cheng Uei Precision Industry Co., Ltd > (Foxlink) XiaoMi USB 2.0 Webcam > > info: checking extended control 'White Balance Temperature' (0x0098091a) > Control error 7 > info: checking extended control 'Exposure (Absolute)' (0x009a0902) > Control error 6 :-S And what's the request (GET_CUR, GET_INFO, ...) ? > > > --- > > > drivers/media/usb/uvc/uvc_video.c | 5 + > > > 1 file changed, 5 insertions(+) > > > > > > diff --git a/drivers/media/usb/uvc/uvc_video.c > > > b/drivers/media/usb/uvc/uvc_video.c > > > index f2f565281e63..25fd8aa23529 100644 > > > --- a/drivers/media/usb/uvc/uvc_video.c > > > +++ b/drivers/media/usb/uvc/uvc_video.c > > > @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, > > > u8 unit, > > > case 5: /* Invalid unit */ > > > case 6: /* Invalid control */ > > > case 7: /* Invalid Request */ > > > + /* > > > + * The firmware has not properly implemented > > > + * the control or there has been a HW error. > > > + */ > > > + return -EIO; > > > case 8: /* Invalid value within range */ > > > return -EINVAL; > > > default: /* reserved or unknown */ -- Regards, Laurent Pinchart
Re: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
Hi Laurent On Thu, Mar 11, 2021 at 11:53 PM Laurent Pinchart wrote: > > Hi Ricardo, > > Thank you for the patch. Thank you :) > > On Thu, Mar 11, 2021 at 11:19:43PM +0100, Ricardo Ribalda wrote: > > The device is doing something unspected with the control. Either because > > the protocol is not properly implemented or there has been a HW error. > > > > Fixes v4l2-compliance: > > > > Control ioctls (Input 0): > > fail: v4l2-test-controls.cpp(448): s_ctrl returned an error > > (22) > > test VIDIOC_G/S_CTRL: FAIL > > fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an > > error (22) > > test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL > > > > Signed-off-by: Ricardo Ribalda > > The change looks good to me. > > Reviewed-by: Laurent Pinchart > > Which of the error codes below do you get with your camera, and for > which control ? Bus 001 Device 003: ID 05c8:03a2 Cheng Uei Precision Industry Co., Ltd (Foxlink) XiaoMi USB 2.0 Webcam info: checking extended control 'White Balance Temperature' (0x0098091a) Control error 7 info: checking extended control 'Exposure (Absolute)' (0x009a0902) Control error 6 > > > --- > > drivers/media/usb/uvc/uvc_video.c | 5 + > > 1 file changed, 5 insertions(+) > > > > diff --git a/drivers/media/usb/uvc/uvc_video.c > > b/drivers/media/usb/uvc/uvc_video.c > > index f2f565281e63..25fd8aa23529 100644 > > --- a/drivers/media/usb/uvc/uvc_video.c > > +++ b/drivers/media/usb/uvc/uvc_video.c > > @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, > > u8 unit, > > case 5: /* Invalid unit */ > > case 6: /* Invalid control */ > > case 7: /* Invalid Request */ > > + /* > > + * The firmware has not properly implemented > > + * the control or there has been a HW error. > > + */ > > + return -EIO; > > case 8: /* Invalid value within range */ > > return -EINVAL; > > default: /* reserved or unknown */ > > -- > Regards, > > Laurent Pinchart -- Ricardo Ribalda
Re: [PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
Hi Ricardo, Thank you for the patch. On Thu, Mar 11, 2021 at 11:19:43PM +0100, Ricardo Ribalda wrote: > The device is doing something unspected with the control. Either because > the protocol is not properly implemented or there has been a HW error. > > Fixes v4l2-compliance: > > Control ioctls (Input 0): > fail: v4l2-test-controls.cpp(448): s_ctrl returned an error > (22) > test VIDIOC_G/S_CTRL: FAIL > fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an > error (22) > test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL > > Signed-off-by: Ricardo Ribalda The change looks good to me. Reviewed-by: Laurent Pinchart Which of the error codes below do you get with your camera, and for which control ? > --- > drivers/media/usb/uvc/uvc_video.c | 5 + > 1 file changed, 5 insertions(+) > > diff --git a/drivers/media/usb/uvc/uvc_video.c > b/drivers/media/usb/uvc/uvc_video.c > index f2f565281e63..25fd8aa23529 100644 > --- a/drivers/media/usb/uvc/uvc_video.c > +++ b/drivers/media/usb/uvc/uvc_video.c > @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 > unit, > case 5: /* Invalid unit */ > case 6: /* Invalid control */ > case 7: /* Invalid Request */ > + /* > + * The firmware has not properly implemented > + * the control or there has been a HW error. > + */ > + return -EIO; > case 8: /* Invalid value within range */ > return -EINVAL; > default: /* reserved or unknown */ -- Regards, Laurent Pinchart
[PATCH v2 3/6] media: uvcvideo: Return -EIO for control errors
The device is doing something unspected with the control. Either because the protocol is not properly implemented or there has been a HW error. Fixes v4l2-compliance: Control ioctls (Input 0): fail: v4l2-test-controls.cpp(448): s_ctrl returned an error (22) test VIDIOC_G/S_CTRL: FAIL fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an error (22) test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL Signed-off-by: Ricardo Ribalda --- drivers/media/usb/uvc/uvc_video.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index f2f565281e63..25fd8aa23529 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -112,6 +112,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit, case 5: /* Invalid unit */ case 6: /* Invalid control */ case 7: /* Invalid Request */ + /* +* The firmware has not properly implemented +* the control or there has been a HW error. +*/ + return -EIO; case 8: /* Invalid value within range */ return -EINVAL; default: /* reserved or unknown */ -- 2.31.0.rc2.261.g7f71774620-goog
