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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-09-19 21:22:19 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-10-11 20:00:44 +0300 |
| commit | 6bbf7a855d200ddd83494a9ceb95f9465f953f59 (patch) | |
| tree | 517f8cb2b380365ad206fa2bb279adc5e5bfc6c0 /drivers/media/dvb-core/dvbdev.c | |
| parent | 259a41d9ae8f3689742267f340ad2b159d00b302 (diff) | |
| download | linux-6bbf7a855d200ddd83494a9ceb95f9465f953f59.tar.xz | |
media: dvbdev: convert DVB device types into an enum
Enums can be documented via kernel-doc. So, convert the
DVB_DEVICE_* macros to an enum.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/dvb-core/dvbdev.c')
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 41aad0f99d73..a53eb53a4fd5 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -51,8 +51,15 @@ static LIST_HEAD(dvb_adapter_list); static DEFINE_MUTEX(dvbdev_register_lock); static const char * const dnames[] = { - "video", "audio", "sec", "frontend", "demux", "dvr", "ca", - "net", "osd" + [DVB_DEVICE_VIDEO] = "video", + [DVB_DEVICE_AUDIO] = "audio", + [DVB_DEVICE_SEC] = "sec", + [DVB_DEVICE_FRONTEND] = "frontend", + [DVB_DEVICE_DEMUX] = "demux", + [DVB_DEVICE_DVR] = "dvr", + [DVB_DEVICE_CA] = "ca", + [DVB_DEVICE_NET] = "net", + [DVB_DEVICE_OSD] = "osd" }; #ifdef CONFIG_DVB_DYNAMIC_MINORS @@ -60,7 +67,24 @@ static const char * const dnames[] = { #define DVB_MAX_IDS MAX_DVB_MINORS #else #define DVB_MAX_IDS 4 -#define nums2minor(num, type, id) ((num << 6) | (id << 4) | type) + +static int nums2minor(int num, enum dvb_device_type type, int id) +{ + int n = (num << 6) | (id << 4); + + switch (type) { + case DVB_DEVICE_VIDEO: return n; + case DVB_DEVICE_AUDIO: return n | 1; + case DVB_DEVICE_SEC: return n | 2; + case DVB_DEVICE_FRONTEND: return n | 3; + case DVB_DEVICE_DEMUX: return n | 4; + case DVB_DEVICE_DVR: return n | 5; + case DVB_DEVICE_CA: return n | 6; + case DVB_DEVICE_NET: return n | 7; + case DVB_DEVICE_OSD: return n | 8; + } +} + #define MAX_DVB_MINORS (DVB_MAX_ADAPTERS*64) #endif @@ -426,8 +450,8 @@ static int dvb_register_media_device(struct dvb_device *dvbdev, } int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, - const struct dvb_device *template, void *priv, int type, - int demux_sink_pads) + const struct dvb_device *template, void *priv, + enum dvb_device_type type, int demux_sink_pads) { struct dvb_device *dvbdev; struct file_operations *dvbdevfops; |