[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>
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index b187661..ae00d7a 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -387,36 +387,6 @@
};
}
-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 @@
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 @@
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;