- 29 Mar, 2013 9 commits
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Frank Schaefer authored
This sensor is used by the "SpeedLink Vicious And Devine Laplace webcam" and others. It supports resolutions up to 1600x1200 (at 7-8 fps), but for resolutions higher than 640x480, further driver changes will be necessary, such as sensor output resolution switching (including further configuration changes), bridge xclk adjustment and disabling of 16 bit (12 bit) output formats at high resolutions. Image quality should also needs to be improved. Signed-off-by:
Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Frank Schaefer authored
The Windows driver also probes at least two further i2c addresses (0x22 >> 1 and 0x66 >> 1). I've got some hints that they are very likely used by Samsung and Kodak sensors, which are known to be used in Empia devices, too. We havn't seen any devices using these sensors yet and don't know how to probe them properly, so leave a comment. Signed-off-by:
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Frank Schaefer authored
OmniVision sensors are used as well in Empiatech based cameras such as the "SpeedLink Vicious And Devine Laplace" webcam (EM2765 + Omnivision OV2640). With this patch applied, OminiVision sensors with 8 bit address and register width are detected (recent models have a 16 bit address width and use different client addresses). The most commonly used sensors (including the ones listed by Empiatech) are detected properly, although there is no support for them yet. Signed-off-by:
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Frank Schaefer authored
Other sensors like the ones from OmniVision need a different probing procedure, so it makes sense have separate functions for each manufacturer/sensor type. Signed-off-by:
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Frank Schaefer authored
Add further Micron chip IDs to be able to identify all Micron sensors listed by Empiatech. Also probe the two alternate i2c addresses used by Micron sensors with 8 bit address and 16 bit register width. Signed-off-by:
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Frank Schaefer authored
em28xx-cards.c is very large and the sensor/camera related code is growing, so move this code to a separate source code file em28xx-camera.c. Signed-off-by:
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Frank Schaefer authored
Now that the board hints and the sensor initialization/configuration have been separated, em28xx_detect_sensor() is the better name for this function. Signed-off-by:
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Frank Schaefer authored
Sensor detection and initialization/configuration are currently mixed together. This works as long as all devices with a particular sensor are working with the same board configuration. In the long run, this will be not sufficient, so separate these both steps to make the code more flexible and future proof. This also makes the code more consistent, because the initialization of the MT9V011 sensor subdevice is already separated. Signed-off-by:
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Frank Schaefer authored
The current board hint code is mixed together with the sensor detection and initialization code. It actually selects a board depending on the detected sensor type only, with the result that 3 of the 6 webcam boards are currently dead. Separate it and move it to em28xx_hint_board() which already contains the board hints for analog capturing+TV and DVB devices. This way, we have all board hints at a common place which makes it easier to extend the code and reduces the risk of regressions. It also makes it possible again to use the boards EM2750_BOARD_DLCW_130, EM2820_BOARD_VIDEOLOGY_20K14XUSB and EM2860_BOARD_NETGMBH_CAM (using the module parameter "card"). NOTE: the current board hint logic for webcams is preserved. Not more not less. Signed-off-by:
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- 28 Mar, 2013 7 commits
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Frank Schaefer authored
Some devices without DVB support (such as the "Terratec Grabby" and "Easycap DC-60") provide isochronous DVB USB endpoints with wMaxPacketSize set to 0 bytes for all alt settings. Ignore these endpoints and avoid registering a DVB device node and loading the DVB driver extension. Signed-off-by:
Timo Teräs <timo.teras@iki.fi> Signed-off-by:
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Laurent Pinchart authored
-ERANGE is the right error code when the value is outside of the menu range, but -EINVAL must be reported for invalid values inside the range. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
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Frank Schaefer authored
The Windows driver writes the output resolution to registers 0x34 (width / 16) and 0x35 (height / 16) always. We don't know yet what these registers are used for. Signed-off-by:
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Frank Schaefer authored
Streaming doesn't work with the EM2765 if bit 5 of the output format register 0x27 is set. It's actually not clear if really has to be set for the other chips, but for now let's keep it to avoid regressions and add a comment to the code. Signed-off-by:
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Frank Schaefer authored
The em25xx/em276x/em277x/em278x frame data format is different to the one used by the em2710/em2750/em28xx chips. With the recent cleanups and reorganization of the frame data processing code it can be easily extended to support these devices. Signed-off-by:
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Frank Schaefer authored
This chip can be found in the SpeedLink VAD Laplace webcam (1ae7:9003 and 1ae7:9004). Signed-off-by:
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Frank Schaefer authored
The webcam "SpeedLink VAD Laplace" (em2765 + ov2640) uses a special algorithm for i2c communication with the sensor, which is connected to a second i2c bus. We don't know yet how to find out which devices support/use it. It's very likely used by all em25xx and em276x+ bridges. Tests with other em28xx chips (em2820, em2882/em2883) show, that this algorithm always succeeds there although no slave device is connected. The algorithm likely also works for real i2c client devices (OV2640 uses SCCB), because the Windows driver seems to use it for probing Samsung and Kodak sensors. Signed-off-by:
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- 26 Mar, 2013 3 commits
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Hans Verkuil authored
au8522_attach is dependent on CONFIG_DVB_AU8522_DTV, not CONFIG_DVB_AU8522. Signed-off-by:
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Wei Yongjun authored
sizeof() when applied to a pointer typed expression gives the size of the pointer, not that of the pointed data. Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by:
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Wei Yongjun authored
Add the missing unlock before return from function af9035_ctrl_msg() in the error handling case. Signed-off-by:
Antti Palosaari <crope@iki.fi> Reviewed-by:
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- 25 Mar, 2013 21 commits
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Mauro Carvalho Chehab authored
If those callbacks fail, it should return zero, and not a random value. The previous code assumed that all drivers would only change signal strength if it succeeds, but this may not be true. Signed-off-by: -
Mauro Carvalho Chehab authored
Now that those functions are only used when the corresponding function calls are defined, we don't need to check if those function calls are present at the structure before using it. Signed-off-by: -
Mauro Carvalho Chehab authored
While the driver gets AFC from the tuner, it doesn't return it back via V4L2 API due to a mistake at the return. fix it. Signed-off-by: -
Hans Verkuil authored
If the tuner frontend does not support get_rf_strength, then don't set the has_signal callback. Ditto for get_afc. Both callbacks overwrite the signal and afc fields of struct v4l2_tuner but that should only happen if the tuner can actually detect this. If it can't, then it should leave those fields alone so other subdevices can try and detect the signal/afc. This fixes the bug where the au8522 detected a signal and then tuner-core overwrote it with 0 since the xc5000 tuner does not support get_rf_strength. Signed-off-by:
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Hans Verkuil authored
- open/close/read and poll need to take the core lock as well. - when the tuner goes to sleep we should set std_set_in_tuner_core to 0 since the tuner loses the firmware at that time. - initialize the tuner if std_set_in_tuner_core == 0 whenever: 1) g/s_tuner, s_std or s_frequency is called 2) read or poll is called 3) streamon is called Signed-off-by:
Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by:
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Hans Verkuil authored
After loading the module the initial video routing is not setup. Explicitly call s_input to get this right. Signed-off-by:
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Hans Verkuil authored
Just opening a device shouldn't have any side-effects. Signed-off-by:
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Hans Verkuil authored
Turn it into a simple function. Signed-off-by:
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Hans Verkuil authored
The driver crashed when the device was disconnected while an application still had a device node open. Fixed by using the release() callback of struct v4l2_device. Signed-off-by:
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Hans Verkuil authored
Now that au0828 has been converted to the control framework these compatilibity ops are no longer needed. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
Also get rid of unnecessary format type check. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
- V4L2_CAP_AUDIO was set, but enumaudio was not implemented. - audioset was never filled by enum_input - ctrl_ainput was never updated when switching the video input - g_audio was broken due to faulty logic: g_audio should set the index, it doesn't receive it from the user. Signed-off-by:
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Hans Verkuil authored
No code change, just fixing a wrong indentation. Signed-off-by:
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Hans Verkuil authored
- define an initial frequency - return an error if g_frequency is called for an invalid tuner index - get the clamped frequency value after setting it: i.e. the tuner driver may clamp the given frequency to a valid frequency range and ctrl_freq should get that actual clamped frequency. - remove obsolete tuner type checks (done by the core). Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
And update the other debug ioctls accordingly. Signed-off-by:
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