state->internal allocation may fail as well as the allocation of
stv0900_first_inode or new_node->next_inode in append_internal().
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The init and exit functions are needlessly complex. Remove the bloat:
* Drop irrelevant/outdated comments.
* Remove useless bt878_pci_driver_registered global variable.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NMauro Carvalho chehab <mchehab@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Before each FCP transdaction, the entire 512 bytes of the FCP frame were
cleared, then values filled in.

Clear only the bytes between filled-in bytes and end of the
  - request frame, or
  - response frame if data from a larger response will be needed, or
  - whole frame if data from a variable length response will be taken.
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

FCP transactions as well as CMP transactions were serialized with
mutex_lock_interruptible.  It is extremely unlikly though that a signal
will arrive while a concurrent process holds the mutex.  And even if one
does, the duration of a transaction is reasonably short (1.2 seconds if
all retries time out, usually much shorter).

Hence simplify the code to plain mutex_lock.
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is a portability fix and reduces stack usage.

The DMA mapping API cannot map on-stack addresses, as explained in
Documentation/DMA-mapping.txt.  Convert the two cases of on-stack packet
payload buffers in firedtv (payload of write requests in avc_write and
of lock requests in cmp_lock) to slab-allocated memory.

We use the 512 bytes sized FCP frame buffer in struct firedtv for this
purpose.  Previously it held only incoming FCP responses, now it holds
pending FCP requests and is then overwriten by an FCP response from the
tuner subunit.  Ditto for CMP lock requests and responses.  Accesses to
the payload buffer are serialized by fdtv->avc_mutex.

As a welcome side effect, stack usage of the AV/C transaction functions
is reduced by 512 bytes.

Alas, avc_register_remote_control() is a special case:  It previously
did not wait for a response.  To fit better in with the other FCP
transactions, let it wait for an interim response.
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Remove duplicated #include('s) in
  drivers/media/dvb/mantis/mantis_hif.c
  drivers/media/dvb/mantis/mantis_pci.c
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

'extern' is not needed at function definition.

This will remove the following sparse warning (see "make C=1"):
 * function 'dib0090_dcc_freq' with external linkage has definition
Signed-off-by: NMárton Németh <nm127@freemail.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Some functions are only used locally so mark them static.

This will remove the following sparse warnings (see "make C=1"):
 * symbol 'extract_mask_pos' was not declared. Should it be static?
 * symbol 'stv0900_initialize' was not declared. Should it be static?
 * symbol 'stv0900_get_mclk_freq' was not declared. Should it be static?
 * symbol 'stv0900_set_mclk' was not declared. Should it be static?
 * symbol 'stv0900_get_err_count' was not declared. Should it be static?
Signed-off-by: NMárton Németh <nm127@freemail.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The functions stv0900_sw_algo() and stv0900_set_dvbs1_track_car_loop() are only used
locally so mark them static.

This will remove the following sparse warnings (see "make C=1"):
 * symbol 'stv0900_sw_algo' was not declared. Should it be static?
 * symbol 'stv0900_set_dvbs1_track_car_loop' was not declared. Should it be static?
Signed-off-by: NMárton Németh <nm127@freemail.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-core/dvb_frontend.c |    6 ++----
Signed-off-by: NThiago Farina <tfransosi@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is for better readability and smaller size of code lines.
Also it is for future improvements like GPIO handling.
Signed-off-by: NIgor M. Liplianin <liplianin@me.by>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is for better readability and smaller size of code.
Also it is similar to other drivers.
Signed-off-by: NIgor M. Liplianin <liplianin@me.by>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NIgor M. Liplianin <liplianin@me.by>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The PCI card contains dm1105 PCI bridge and ds3000 demod.
Signed-off-by: NIgor M. Liplianin <liplianin@me.by>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

22-kHz tone can be driven in two ways:
1. LNBH24 can produce 22kHz continuous tone when TEN=1 ( 22 KHz tone output is
always activated ).
2. LNBH24 can reproduce 22kHz tone timings from DSQIN or EXTM pin's when TEN=0.
From LNBH24 datasheet:
"In order to improve design flexibility an external tone input pin is
available (EXTM). The EXTM is a Logic input pin which activates the 22 kHz
tone output, on the VoTX pin, by using the LNBH24 integrated tone generator
(similar to the DSQIN pin function). In fact, the output tone waveform
characteristics will always be internally controlled by the LNBH24 tone
generator and the EXTM signal will be used as a timing control for DiSEqC tone
data encoding on the VoTX output."

In NetUP Dual DVB-S2-CI card 22kHz tone timings on EXTM pin produced by
STV0900 demod:
.set_tone  = stv0900_set_tone

redefine to "set_tone = lnbp21_set_tone" is not correct for "NetUP Dual
DVB-S2-CI card".
Signed-off-by: NAbylay Ospan <aospan@netup.ru>
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The TDA8261 driver would crash when reading more than a byte as described.

ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff
[ 8.430350] KNC1-2: MAC addr = 00:09:d6:65:2d:91
[ 8.610008] saa7146 (1) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
[ 8.734457] stb0899_attach: Attaching STB0899
[ 8.768481] tda8261_attach: Attaching TDA8261 8PSK/QPSK tuner
[ 8.768485] DVB: registering adapter 2 frontend 0 (STB0899 Multistandard)...

Once I launch scan-s2:
scan-s2 -vvvv -a 2 -s 1 -l UNIVERSAL /usr/share/dvb/dvb-s/Hotbird-13.0E

I see the following via dmesg:

[ 435.040017] saa7146 (1) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
[ 435.778648] tda8261_get_bandwidth: Bandwidth=40000000
[ 435.781781] tda8261_get_bandwidth: Bandwidth=40000000
[ 435.783311] tda8261_set_state: Step size=1, Divider=1000, PG=0x793 (1939)
[ 435.783512] tda8261_set_state: Waiting to Phase LOCK
[ 435.810134] tda8261_get_status: Tuner Phase Locked
[ 435.810137] tda8261_set_state: Tuner Phase locked: status=1
[ 435.810139] tda8261_set_frequency: Frequency=1939000
[ 435.810141] tda8261_get_frequency: Frequency=7574
[ 435.830008] tda8261_get_bandwidth: Bandwidth=40000000
[ 436.402814] tda8261_get_bandwidth: Bandwidth=40000000
[ 436.405946] tda8261_get_bandwidth: Bandwidth=40000000
[ 436.407458] general protection fault: 0000 [#1] SMP
[ 436.407527] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
[ 436.407560] CPU 0
[ 436.407601] Modules linked in: tda8261 stb0899 dvb_pll mt352 lnbp21 budget_av saa7146_vv snd_hda_codec_realtek videodev stv0299 v4l1_compat coretemp snd_hda_intel v4l2_compat_ioctl32 i915 videobuf_dma_sg b2c2_flexcop_pci snd_hda_codec budget_ci videobuf_core b2c2_flexcop ir_common w83627ehf drm snd_hwdep cx24123 budget_core hwmon_vid snd_pcm cx24113 dvb_core iptable_filter snd_timer i2c_algo_bit ip_tables saa7146 s5h1420 snd ttpci_eeprom soundcore intel_agp video serio_raw pcspkr lp snd_page_alloc x_tables output parport pata_it8213 e1000e
[ 436.408757] Pid: 1410, comm: kdvb-ad-2-fe-0 Not tainted 2.6.31-14-server #48-Ubuntu C2SBC-Q
[ 436.408818] RIP: 0010:[<ffffffffa00241a1>] [<ffffffffa00241a1>] tda8261_set_state+0x51/0x250 [tda8261]
[ 436.408903] RSP: 0018:ffff88013649bc70 EFLAGS: 00010283
[ 436.408945] RAX: 00000000000f1748 RBX: ffff880138870680 RCX: 0000000000000018
[ 436.408990] RDX: ffff88013649bcd0 RSI: 0000000000000001 RDI: ffff880135273010
[ 436.409035] RBP: ffff88013649bcc0 R08: 0000000000000001 R09: 0000000000000002
[ 436.409081] R10: ffff88013649bc40 R11: 0000000055555556 R12: 00000000001d9638
[ 436.409126] R13: 38ffffffa0261568 R14: 0000000000000000 R15: ffff880135273010
[ 436.409172] FS: 0000000000000000(0000) GS:ffff880028022000(0000) knlGS:0000000000000000
[ 436.409232] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 436.409274] CR2: 00007fff925e4cd8 CR3: 000000013642a000 CR4: 00000000000406f0
[ 436.409320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 436.409365] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 436.409411] Process kdvb-ad-2-fe-0 (pid: 1410, threadinfo ffff88013649a000, task ffff88013658ad60)
[ 436.409473] Stack:
[ 436.409508] ffff880136ee2af1 00000000bcd5d166 ffff000200000068 0000000035273000
[ 436.409608] <0> 0000000000000001 ffff880135273000 ffffffffa0265260 00003473bc000000
[ 436.409758] <0> 0000000000000000 ffff88013a4e05e0 ffff88013649bd00 ffffffffa025f133
[ 436.409938] Call Trace:
[ 436.409978] [<ffffffffa025f133>] tda8261_set_frequency+0x23/0x70 [budget_av]
[ 436.410027] [<ffffffffa026ed09>] ? stb0899_i2c_gate_ctrl+0x49/0xf0 [stb0899]
[ 436.410074] [<ffffffffa026e259>] ? stb0899_write_reg+0x19/0x20 [stb0899]
[ 436.410121] [<ffffffffa02716e2>] stb0899_dvbs_algo+0x3a2/0x13c8 [stb0899]
[ 436.410170] [<ffffffff813cdd0d>] ? i2c_transfer+0xbd/0x100
[ 436.410215] [<ffffffffa026e13c>] ? stb0899_write_regs+0xac/0x1b0 [stb0899]
[ 436.410262] [<ffffffffa026f239>] stb0899_search+0x489/0x750 [stb0899]
[ 436.410308] [<ffffffff8107d153>] ? down_interruptible+0x33/0x60
[ 436.410360] [<ffffffffa00c34ec>] dvb_frontend_thread+0x57c/0x720 [dvb_core]
[ 436.410407] [<ffffffff81078620>] ? autoremove_wake_function+0x0/0x40
[ 436.410457] [<ffffffffa00c2f70>] ? dvb_frontend_thread+0x0/0x720 [dvb_core]
[ 436.410504] [<ffffffff81078236>] kthread+0xa6/0xb0
[ 436.410547] [<ffffffff810130aa>] child_rip+0xa/0x20
[ 436.410589] [<ffffffff81078190>] ? kthread+0x0/0xb0
[ 436.410631] [<ffffffff810130a0>] ? child_rip+0x0/0x20
[ 436.410672] Code: 00 03 00 00 4c 8b 6b 10 c7 45 cc 00 00 00 00 0f 84 e8 01 00 00 44 8b 22 41 8d 84 24 10 81 f1 ff 3d 80 4f 12 00 0f 87 af 01 00 00 <41> 8b 75 04 31 d2 48 c7 c7 d8 46 02 a0 89 f0 8b 0c 85 f0 45 02
[ 436.411950] RIP [<ffffffffa00241a1>] tda8261_set_state+0x51/0x250 [tda8261]
[ 436.412015] RSP <ffff88013649bc70>
[ 436.412064] ---[ end trace c1d7ae4d9e05c51b ]---
Signed-off-by: NArvo Järve <arvo@softshark.ee>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add parameters adc1_range, adc2_range and tuner_bbgain to the config struct.
Defaults: adc1_range = adc2_range = 2Vpp, tuner_bbgain = 10db
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NManu Abraham <abraham.manu@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Exit stv090x_algo() if the tuner did not lock. This might happen due to
missing signal or invalid/incomplete tuning parameters.
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NManu Abraham <abraham.manu@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The I2C gate must also be disabled, if a tuner command failed.
Otherwise the tuner mutex would be locked forever.
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NManu Abraham <abraham.manu@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

When mclk is not 0 then it will never be set to the correct value and
the Demodulator will not work.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This gives the STV090x and improved clock signal (rectangle instead of sine).
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Using clk_div member of stv6110x_config structure the tuner's clock
output divider can be configured. It is set in stv6110x_attach.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is needed when clock input is driven from tuner and an output
divider different from 1 is used.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Before there was used a static register map that could lead to issues
when there are are multiple adapters with the STV6110(A).
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The function stv6110x_write_regs is used to write several registers at once.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This could be useful for p.e. Common Interface applications where data rate is limited.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

With this change it is possible to have the same I2C address for both tuners.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

As the STV0900 features two demodulation paths in one chip there is
some information used by both instances of the driver when used in
dual mode. This information is now shared in an internal structure
referenced by I2C adapter and address.

Do initialisation of the demodulator only once when used in dual mode.
Moved global mutex demod_lock to internal structure.
Moved dev_ver and mclk to internal structure.
Removed unused tuner_refclk from stv090x_state.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

In automatic S/S2 detection mode, locking of a DVB-S transponder could
fail when coming from a DVB-S2 transponder. This change fixes the issue
by first disabling DVB-S and DVB-S2 mode before enabling it again.
Signed-off-by: NAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

22-kHz tone can be driven in two ways:
1. LNBH24 can produce 22kHz continuous tone when TEN=1 ( 22 KHz tone output is
always activated ).
2. LNBH24 can reproduce 22kHz tone timings from DSQIN or EXTM pin's when TEN=0.
From LNBH24 datasheet:
"In order to improve design flexibility an external tone input pin is
available (EXTM). The EXTM is a Logic input pin which activates the 22 kHz
tone output, on the VoTX pin, by using the LNBH24 integrated tone generator
(similar to the DSQIN pin function). In fact, the output tone waveform
characteristics will always be internally controlled by the LNBH24 tone
generator and the EXTM signal will be used as a timing control for DiSEqC tone
data encoding on the VoTX output."

In NetUP Dual DVB-S2-CI card 22kHz tone timings on EXTM pin produced by
STV0900 demod:
.set_tone  = stv0900_set_tone

redefine to "set_tone = lnbp21_set_tone" is not correct for "NetUP Dual
DVB-S2-CI card".
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Trivial patch which adds the __init/__exit macros to the module_init/
module_exit functions of

drivers/media/dvb/bt8xx/bt878.c

Please have a look at the small patch and either pull it through
your tree, or please ack' it so Jiri can pull it through the trivial
tree.

Patch against linux-next-tree, 22. Dez 08:38:18 CET 2009
but also present in linus tree.
Signed-off-by: NPeter Huewe <peterhuewe@gmx.de>
Acked-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

And a little code refactoring/neatening around the removals

Reduces object size a little bit:

new:
$ size drivers/media/dvb/frontends/si21xx.o
   text	   data	    bss	    dec	    hex	filename
   8984	     56	   1816	  10856	   2a68	drivers/media/dvb/frontends/si21xx.o
old:
$ size drivers/media/dvb/frontends/si21xx.o
   text	   data	    bss	    dec	    hex	filename
   9084	     56	   1792	  10932	   2ab4	drivers/media/dvb/frontends/si21xx.o
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Stanse found an unreachable statement in zl10039_attach. There is
a `break' followed by `goto error'. Remove that break, so that it
can handle the error.

Cc: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: NJiri Slaby <jslaby@suse.cz>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Stanse found a memory leak in smscore_gpio_configure. buffer is not
freed/assigned on all paths. Fix that.
Signed-off-by: NJiri Slaby <jslaby@suse.cz>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

I was initially concerned about the weird array index (the 2 bumps
into the next row of the array).  Matthias Schwarzott look at the
datasheet and it turns out it should be zl10036_init_tab[1][0] |= 0x01;
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NMatthias Schwarzott <zzam@gentoo.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

If there is ever going to be a FireDTV or FloppyDTV firmware which does
not provide a minimal ASCII textual descriptor for Model_Id --- or if
the descriptor is provided indirectly in a descriptor directory ---
the ieee1394 variant of the device probe of firedtv would dereference a
NULL pointer.  The firewire variant of firedtv's device probe is not
affected.

The fix makes sure that such an unexpected firmware is safely recognized
by fdtv_alloc as an unknown firmware.
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The C99 specification states in section 6.11.5:

The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

If the NULL test is necessary, then the dereference should be moved below
the NULL test.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T;
expression E;
identifier i,fld;
statement S;
@@

- T i = E->fld;
+ T i;
  ... when != E
      when != i
  if (E == NULL) S
+ i = E->fld;
// </smpl>
Signed-off-by: NJulia Lawall <julia@diku.dk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>