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| author | NooneImportant <nxhxzi702@sneakemail.com> | 2005-11-09 06:35:27 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 16:56:03 +0100 |
| commit | 83b75b049be981e579ba2cb88aa9bf3534bbbdb1 (patch) | |
| tree | c7d6199e9c6b5373b373439148da7dc4f48a0698 /drivers/media/dvb/frontends/stv0299.c | |
| parent | [PATCH] dvb: Fix integer overflow bug (diff) | |
| download | linux-83b75b049be981e579ba2cb88aa9bf3534bbbdb1.tar.xz linux-83b75b049be981e579ba2cb88aa9bf3534bbbdb1.zip | |
[PATCH] dvb: let other frontends support FE_DISHNETWORK_SEND_LEGACY_CMD
Add support to FE_DISHNETWORK_SEND_LEGACY_CMD code to support other frontends
besides stv0299. The generic code is a fallback in the case that it doesn't
work for some specific frontends (again stv0299 being a good example).
Signed-off-by: NooneImportant <nxhxzi702@sneakemail.com>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb/frontends/stv0299.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv0299.c | 38 |
1 files changed, 4 insertions, 34 deletions
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index b1876618a37d..ae00d7a40d7c 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -387,36 +387,6 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag }; } -static inline s32 stv0299_calc_usec_delay (struct timeval lasttime, struct timeval curtime) -{ - return ((curtime.tv_usec < lasttime.tv_usec) ? - 1000000 - lasttime.tv_usec + curtime.tv_usec : - curtime.tv_usec - lasttime.tv_usec); -} - -static void stv0299_sleep_until (struct timeval *waketime, u32 add_usec) -{ - struct timeval lasttime; - s32 delta, newdelta; - - waketime->tv_usec += add_usec; - if (waketime->tv_usec >= 1000000) { - waketime->tv_usec -= 1000000; - waketime->tv_sec++; - } - - do_gettimeofday (&lasttime); - delta = stv0299_calc_usec_delay (lasttime, *waketime); - if (delta > 2500) { - msleep ((delta - 1500) / 1000); - do_gettimeofday (&lasttime); - newdelta = stv0299_calc_usec_delay (lasttime, *waketime); - delta = (newdelta > delta) ? 0 : newdelta; - } - if (delta > 0) - udelay (delta); -} - static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) { struct stv0299_state* state = fe->demodulator_priv; @@ -444,7 +414,7 @@ static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) memcpy (&tv[0], &nexttime, sizeof (struct timeval)); stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */ - stv0299_sleep_until (&nexttime, 32000); + dvb_frontend_sleep_until(&nexttime, 32000); for (i=0; i<9; i++) { if (debug_legacy_dish_switch) @@ -458,13 +428,13 @@ static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) cmd = cmd >> 1; if (i != 8) - stv0299_sleep_until (&nexttime, 8000); + dvb_frontend_sleep_until(&nexttime, 8000); } if (debug_legacy_dish_switch) { printk ("%s(%d): switch delay (should be 32k followed by all 8k\n", __FUNCTION__, fe->dvb->num); - for (i=1; i < 10; i++) - printk ("%d: %d\n", i, stv0299_calc_usec_delay (tv[i-1] , tv[i])); + for (i = 1; i < 10; i++) + printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i])); } return 0; |