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Subject: [media] Docbook: Document struct analog_parameters Author: Mauro Carvalho Chehab <[email protected]> Date: Sat Aug 22 09:58:26 2015 -0300 That struct inside dvb-frontend.h stores some parameters from V4L2 API (videodev2.h), in order to be used by the hybrid analog/digital TV tuners. Document it. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Acked-by: Jonathan Corbet <[email protected]> drivers/media/dvb-core/dvb_frontend.h | 22 ++++++++++++++++++---- 1 files changed, 18 insertions(+), 4 deletions(-) --- http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=1a77763428c7647e74347c1c5760440fe0cd0aea diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 1ffa9a7..8fc8d3a 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -91,6 +91,20 @@ struct dvb_tuner_info { u32 bandwidth_step; }; +/** + * struct analog_parameters - Parameters to tune into an analog/radio channel + * + * @frequency: Frequency used by analog TV tuner (either in 62.5 kHz step, + * for TV, or 62.5 Hz for radio) + * @mode: Tuner mode, as defined on enum v4l2_tuner_type + * @audmode: Audio mode as defined for the rxsubchans field at videodev2.h, + * e. g. V4L2_TUNER_MODE_* + * @std: TV standard bitmap as defined at videodev2.h, e. g. V4L2_STD_* + * + * Hybrid tuners should be supported by both V4L2 and DVB APIs. This + * struct contains the data that are used by the V4L2 side. To avoid + * dependencies from V4L2 headers, all enums here are declared as integers. + */ struct analog_parameters { unsigned int frequency; unsigned int mode; @@ -111,16 +125,16 @@ enum tuner_param { /** * enum dvbfe_algo - defines the algorithm used to tune into a channel * - * @DVBFE_ALGO_HW: (Hardware Algorithm) + * @DVBFE_ALGO_HW: Hardware Algorithm - * Devices that support this algorithm do everything in hardware * and no software support is needed to handle them. * Requesting these devices to LOCK is the only thing required, * device is supposed to do everything in the hardware. * - * @DVBFE_ALGO_SW: (Software Algorithm) + * @DVBFE_ALGO_SW: Software Algorithm - * These are dumb devices, that require software to do everything * - * @DVBFE_ALGO_CUSTOM: (Customizable Agorithm) + * @DVBFE_ALGO_CUSTOM: Customizable Agorithm - * Devices having this algorithm can be customized to have specific * algorithms in the frontend driver, rather than simply doing a * software zig-zag. In this case the zigzag maybe hardware assisted @@ -128,7 +142,7 @@ enum tuner_param { * this algorithm, in conjunction with the search and track * callbacks, utilizes the driver specific algorithm. * - * @DVBFE_ALGO_RECOVERY: (Recovery Algorithm) + * @DVBFE_ALGO_RECOVERY: Recovery Algorithm - * These devices have AUTO recovery capabilities from LOCK failure */ enum dvbfe_algo { _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
