| Commit message (Collapse) | Author | Age | Files | Lines |
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The second highest bit in the register value is an indicator to do
a register read, so remove it since now au8522_regread() inserts
the bit automatically.
Also remove a stray instance where we were actually trying to write
to the I2C status register, which was actually a read.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The leading bit in register values is actually an indicator as to
whether to perform a read or write, so remove the bit from the
register values, since the au8522_writereg() is now responsible
for adding this bit automatically.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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These are immutable. Making them "const" allows the compiler to move
them to the "rodata" section.
Note that cxd2841er_t_c_ops cannot be made "const", because
cxd2841er_attach() modifies it. Ouch!
[mchehab@s-opensource.com: fix merge conflicts]
Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of using the DTV properties cache directly, pass the get
frontend data as an argument. For now, everything should remain
the same, but the next patch will prevent get_frontend to
affect the global cache.
This is needed because several drivers don't care enough to only
change the properties if locked. Due to that, calling
G_PROPERTY before locking on those drivers will make them to
never lock. Ok, those drivers are crap and should never be
merged like that, but the core should not rely that the drivers
would be doing the right thing.
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As reported by kmemleak:
unreferenced object 0xffff880321e1da40 (size 32):
comm "modprobe", pid 3309, jiffies 4295019569 (age 2359.636s)
hex dump (first 32 bytes):
47 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 G...............
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff82278c8e>] kmemleak_alloc+0x4e/0xb0
[<ffffffff8153c08c>] kmem_cache_alloc_trace+0x1ec/0x280
[<ffffffffa13a896a>] au8522_probe+0x19a/0xa30 [au8522_decoder]
[<ffffffff81de0032>] i2c_device_probe+0x2b2/0x490
[<ffffffff81ca7004>] driver_probe_device+0x454/0xd90
[<ffffffff81ca7c1b>] __device_attach_driver+0x17b/0x230
[<ffffffff81ca15da>] bus_for_each_drv+0x11a/0x1b0
[<ffffffff81ca6a4d>] __device_attach+0x1cd/0x2c0
[<ffffffff81ca7d43>] device_initial_probe+0x13/0x20
[<ffffffff81ca451f>] bus_probe_device+0x1af/0x250
[<ffffffff81c9e0f3>] device_add+0x943/0x13b0
[<ffffffff81c9eb7a>] device_register+0x1a/0x20
[<ffffffff81de8626>] i2c_new_device+0x5d6/0x8f0
[<ffffffffa0d88ea4>] v4l2_i2c_new_subdev_board+0x1e4/0x250 [v4l2_common]
[<ffffffffa0d88fe7>] v4l2_i2c_new_subdev+0xd7/0x110 [v4l2_common]
[<ffffffffa13b2f76>] au0828_card_analog_fe_setup+0x2e6/0x3f0 [au0828]
Checking where the error happens:
(gdb) list *au8522_probe+0x19a
0x99a is in au8522_probe (drivers/media/dvb-frontends/au8522_decoder.c:761).
756 printk(KERN_INFO "au8522_decoder attach existing instance.\n");
757 break;
758 }
759
760 demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL);
761 if (demod_config == NULL) {
762 if (instance == 1)
763 kfree(state);
764 return -ENOMEM;
765 }
Shows that the error path is not being handled properly.
The are actually several issues here:
1) config free should have been calling hybrid_tuner_release_state()
function, by calling au8522_release_state();
2) config is only allocated at the digital part. On the analog one,
it is received from the caller.
A complex logic could be added to address it, however, it is simpler
to just embeed config inside the state.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Even though 'compatability' has a dedicated entry in the Wiktionary,
it's listed as 'Mispelling of compatibility'. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> for the atomic_helper.c
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The DVB API was originally defined using typedefs. This is against
Kernel CodingStyle, and there's no good usage here. While we can't
remove its usage on userspace, we can avoid its usage in Kernelspace.
So, let's do it.
This patch was generated by this shell script:
for j in $(grep typedef include/uapi/linux/dvb/frontend.h |cut -d' ' -f 3); do for i in $(find drivers/media -name '*.[ch]' -type f) $(find drivers/staging/media -name '*.[ch]' -type f); do sed "s,${j}_t,enum $j," <$i >a && mv a $i; done; done
While here, make CodingStyle fixes on the affected lines.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> # for drivers/media/firewire/*
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Improves lock performance with signals from the ZeeVee family
of modulators.
Signed-off-by: Richard Vollkommer <linux@hauppauge.com>
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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