diff options
Diffstat (limited to 'include/media/tuner-types.h')
| -rw-r--r-- | include/media/tuner-types.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/include/media/tuner-types.h b/include/media/tuner-types.h index aed539068d2d..c79b773f750c 100644 --- a/include/media/tuner-types.h +++ b/include/media/tuner-types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * descriptions for simple tuners. */ @@ -167,13 +168,28 @@ struct tuner_params { u16 iffreq; unsigned int count; - struct tuner_range *ranges; + const struct tuner_range *ranges; }; +/** + * struct tunertype - describes the known tuners. + * + * @name: string with the tuner's name. + * @count: size of &struct tuner_params array. + * @params: pointer to &struct tuner_params array. + * + * @min: minimal tuner frequency, in 62.5 kHz step. + * should be multiplied to 16 to convert to MHz. + * @max: minimal tuner frequency, in 62.5 kHz step. + * Should be multiplied to 16 to convert to MHz. + * @stepsize: frequency step, in Hz. + * @initdata: optional byte sequence to initialize the tuner. + * @sleepdata: optional byte sequence to power down the tuner. + */ struct tunertype { char *name; unsigned int count; - struct tuner_params *params; + const struct tuner_params *params; u16 min; u16 max; @@ -183,7 +199,7 @@ struct tunertype { u8 *sleepdata; }; -extern struct tunertype tuners[]; +extern const struct tunertype tuners[]; extern unsigned const int tuner_count; #endif |