diff options
author | David S. Miller <davem@davemloft.net> | 2012-04-26 20:00:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2012-04-26 20:00:35 -0700 |
commit | 8fe5f56c8a203a7a83d1b621c369655d914f3752 (patch) | |
tree | ec865efb2d577d1e536720a28ae18b10bdbfd973 /drivers/media/dvb/dvb-core/dvb_frontend.c | |
parent | df2e7f525d88da992021b589d8a412afc15de36c (diff) | |
parent | 82b769063598d01a8b24abf250a53f8b437e09f1 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
arch/sparc/kernel/leon_smp.c
Merge mainline to get the nobootmem.c bug fix, for the sake
of the sparc64 NO_BOOTMEM conversion.
Resolve a small include line conflict in leon_smp.c
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_frontend.c')
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 39696c6a4ed7..0f64d7182657 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1446,6 +1446,28 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system) __func__); return -EINVAL; } + /* + * Get a delivery system that is compatible with DVBv3 + * NOTE: in order for this to work with softwares like Kaffeine that + * uses a DVBv5 call for DVB-S2 and a DVBv3 call to go back to + * DVB-S, drivers that support both should put the SYS_DVBS entry + * before the SYS_DVBS2, otherwise it won't switch back to DVB-S. + * The real fix is that userspace applications should not use DVBv3 + * and not trust on calling FE_SET_FRONTEND to switch the delivery + * system. + */ + ncaps = 0; + while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) { + if (fe->ops.delsys[ncaps] == desired_system) { + delsys = desired_system; + break; + } + ncaps++; + } + if (delsys == SYS_UNDEFINED) { + dprintk("%s() Couldn't find a delivery system that matches %d\n", + __func__, desired_system); + } } else { /* * This is a DVBv5 call. So, it likely knows the supported @@ -1494,9 +1516,10 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system) __func__); return -EINVAL; } - c->delivery_system = delsys; } + c->delivery_system = delsys; + /* * The DVBv3 or DVBv5 call is requesting a different system. So, * emulation is needed. |