kernel/linux.git/drivers/media/usb/hackrf/hackrf.c, branch v4.8.16

[media] vb2: replace void alloc_ctxs by struct device alloc_devs

2016-07-08T17:45:07+00:00

Make this a proper typed array. Drop the old allocate context code since that is no longer used. Note that the memops functions now get a struct device pointer instead of the struct device ** that was there initially (actually a void pointer to a struct containing only a struct device pointer). This code is now a lot cleaner. Signed-off-by: Hans Verkuil Reviewed-by: Laurent Pinchart Cc: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab

Merge branch 'patchwork' into v4l_for_linus

2016-01-11T13:13:27+00:00

* patchwork: (204 commits) [media] rc: sunxi-cir: Initialize the spinlock properly [media] rtl2832: do not filter out slave TS null packets [media] rtl2832: print reg number on error case [media] rtl28xxu: return demod reg page from driver cache [media] coda: enable MPEG-2 ES decoding [media] coda: don't start streaming without queued buffers [media] coda: hook up vidioc_prepare_buf [media] coda: relax coda_jpeg_check_buffer for trailing bytes [media] coda: make to_coda_video_device static [media] s5p-mfc: remove volatile attribute from MFC register addresses [media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void [media] s5p-mfc: use spinlock to protect MFC context [media] s5p-mfc: remove unnecessary callbacks [media] s5p-mfc: make queue cleanup code common [media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx [media] s5p-mfc: constify s5p_mfc_codec_ops structures [media] au8522: Avoid memory leak for device config data [media] ir-lirc-codec.c: don't leak lirc->drv-rbuf [media] uvcvideo: small cleanup in uvc_video_clock_update() [media] uvcvideo: Fix reading the current exposure value of UVC ...

[media] hackrf: move RF gain ctrl enable behind module parameter

2015-12-18T17:25:29+00:00

Used Avago MGA-81563 RF amplifier could be destroyed pretty easily with too strong signal or transmitting to bad antenna. Add module parameter 'enable_rf_gain_ctrl' which allows enabling RF gain control - otherwise, default without the module parameter, RF gain control is set to 'grabbed' state which prevents setting value to the control. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab

[media] hackrf: fix possible null ptr on debug printing

2015-12-18T17:25:29+00:00

drivers/media/usb/hackrf/hackrf.c:1533 hackrf_probe() error: we previously assumed 'dev' could be null (see line 1366) Reported-by: Dan Carpenter Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab

[media] media: videobuf2: Move timestamp to vb2_buffer

2015-12-18T15:53:31+00:00

Move timestamp from struct vb2_v4l2_buffer to struct vb2_buffer for common use, and change its type to u64 in order to handling y2038 problem. This patch also includes all device drivers' changes related to this restructuring. Signed-off-by: Junghak Sung Signed-off-by: Geunyoung Kim Acked-by: Seung-Woo Kim Acked-by: Inki Dae Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

[media] vb2: drop v4l2_format argument from queue_setup

2015-12-18T15:48:19+00:00

The queue_setup callback has a void pointer that is just for V4L2 and is the pointer to the v4l2_format struct that was passed to VIDIOC_CREATE_BUFS. The idea was that drivers would use the information from that struct to buffers suitable for the requested format. After the vb2 split series this pointer is now a void pointer, which is ugly, and the reality is that all existing drivers will effectively just look at the sizeimage field of v4l2_format. To make this more generic the queue_setup callback is changed: the void pointer is dropped, instead if the *num_planes argument is 0, then use the current format size, if it is non-zero, then it contains the number of requested planes and the sizes array contains the requested sizes. If either is unsupported, then return -EINVAL, otherwise use the requested size(s). Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

[media] hackrf: do not set human readable name for formats

2015-10-20T17:55:28+00:00

Format names are set by core nowadays. Remove name from driver. Signed-off-by: Antti Palosaari Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

[media] hackrf: add support for transmitter

2015-10-20T17:55:03+00:00

HackRF SDR device has both receiver and transmitter. There is limitation that receiver and transmitter cannot be used at the same time (half-duplex operation). That patch implements transmitter support to existing receiver only driver. Signed-off-by: Antti Palosaari [hans.verkuil@cisco.com: fix krobot unused variable warning] [hans.verkuil@cisco.com: add back s_modulator from PATCHv4] Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

[media] hackrf: switch to single function which configures everything

2015-10-20T17:53:49+00:00

Implement single funtion, hackrf_set_params(), which handles all needed settings. Controls and other IOCTLs are just wrappers to that function. That way we can get easily better control what we could do on different device states - sleeping, receiving, transmitting. Signed-off-by: Antti Palosaari Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

[media] hackrf: add control for RF amplifier

2015-10-20T17:52:26+00:00

There is Avago MGA-81563 amplifier just right after antenna connector. It could be turned on/off and its gain is around 12dB. Signed-off-by: Antti Palosaari Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab