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[media] dib8000: improve the message that reports per-layer locks

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The message is currently highly encoded:
	[70299.863521] DiB8000: Mpeg locks [ L0 : 0 | L1 : 1 | L2 : 0 ]

And doesn't properly reflect that some problems might have happened.
Instead, display it as:
	[75160.822321] DiB8000: Not all ISDB-T layers locked in 32 ms: Layer A NOT LOCKED, Layer B locked, Layer C not enabled

In order to better reflect what's happening with layer locking.

Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-07-04 14:15:40 -03:00
parent ecc31d557e
commit 3c0d394ea7
1 changed files with 11 additions and 3 deletions
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14
drivers/media/dvb-frontends/dib8000.c
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@ -3262,7 +3262,10 @@ static int dib8000_tune(struct dvb_frontend *fe)
case CT_DEMOD_STEP_10: /* 40 */
locks = dib8000_read_lock(fe);
if (locks&(1<<(7-state->longest_intlv_layer))) { /* mpeg lock : check the longest one */
dprintk("Mpeg locks [ L0 : %d | L1 : %d | L2 : %d ]", (locks>>7)&0x1, (locks>>6)&0x1, (locks>>5)&0x1);
dprintk("ISDB-T layer locks: Layer A %s, Layer B %s, Layer C %s",
c->layer[0].segment_count ? (locks >> 7) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
c->layer[1].segment_count ? (locks >> 6) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
c->layer[2].segment_count ? (locks >> 5) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled");
if (c->isdbt_sb_mode
&& c->isdbt_sb_subchannel < 14
&& !state->differential_constellation)
@ -3278,8 +3281,13 @@ static int dib8000_tune(struct dvb_frontend *fe)
state->subchannel += 3;
*tune_state = CT_DEMOD_STEP_11;
} else { /* we are done mpeg of the longest interleaver xas not locking but let's try if an other layer has locked in the same time */
if (locks & (0x7<<5)) {
dprintk("Mpeg locks [ L0 : %d | L1 : %d | L2 : %d ]", (locks>>7)&0x1, (locks>>6)&0x1, (locks>>5)&0x1);
if (locks & (0x7 << 5)) {
dprintk("Not all ISDB-T layers locked in %d ms: Layer A %s, Layer B %s, Layer C %s",
jiffies_to_msecs(now - *timeout),
c->layer[0].segment_count ? (locks >> 7) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
c->layer[1].segment_count ? (locks >> 6) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled",
c->layer[2].segment_count ? (locks >> 5) & 0x1 ? "locked" : "NOT LOCKED" : "not enabled");
state->status = FE_STATUS_DATA_LOCKED;
} else
state->status = FE_STATUS_TUNE_FAILED;