| Commit message (Collapse) | Author | Age | Files | Lines |
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In order to make the drivers under dvb-usb more homogeneous,
use the new macro.
Link: https://lore.kernel.org/linux-media/bd1e61664e234252de3dfac16aab8bfc35b7bcd7.1648499509.git.mchehab@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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This is the only tuner driver that has "tuner-" on its name.
Rename it, in order to match all the other tuner drivers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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syzbot reported WARNING in vmalloc. The problem
was in zero size passed to vmalloc.
The root case was in wrong cxusb_bluebird_lgz201_properties
definition. adapter array has only 1 entry, but num_adapters was
2.
Call Trace:
__vmalloc_node mm/vmalloc.c:2963 [inline]
vmalloc+0x67/0x80 mm/vmalloc.c:2996
dvb_dmx_init+0xe4/0xb90 drivers/media/dvb-core/dvb_demux.c:1251
dvb_usb_adapter_dvb_init+0x564/0x860 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:184
dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86 [inline]
dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline]
dvb_usb_device_init.cold+0xc94/0x146e drivers/media/usb/dvb-usb/dvb-usb-init.c:308
cxusb_probe+0x159/0x5e0 drivers/media/usb/dvb-usb/cxusb.c:1634
Fixes: 4d43e13f723e ("V4L/DVB (4643): Multi-input patch for DVB-USB device")
Cc: stable@vger.kernel.org
Reported-by: syzbot+7336195c02c1bd2f64e1@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This makes it possible to declare dvb_usb_device_properties const.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those documents don't really describe the driver API.
Instead, they contain development-specific information.
Yet, as the main index file describes the content of it as:
"how specific kernel subsystems work
from the point of view of a kernel developer"
It seems to be the better fit.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This solves the following compiler warnings:
drivers/media/usb/dvb-usb/cxusb.c: In function ‘cxusb_gpio_tuner’:
drivers/media/usb/dvb-usb/cxusb.c:128:35: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
128 | deb_info("gpio_write failed.\n");
| ^
drivers/media/usb/dvb-usb/cxusb.c: In function ‘cxusb_bluebird_gpio_rw’:
drivers/media/usb/dvb-usb/cxusb.c:145:44: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
145 | deb_info("bluebird_gpio_write failed.\n");
| ^
drivers/media/usb/dvb-usb/cxusb.c: In function ‘cxusb_i2c_xfer’:
drivers/media/usb/dvb-usb/cxusb.c:251:42: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
251 | deb_i2c("i2c read may have failed\n");
| ^
drivers/media/usb/dvb-usb/cxusb.c:274:43: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
274 | deb_i2c("i2c write may have failed\n");
| ^
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Don't use uninitialized ircode[] in cxusb_rc_query() when
cxusb_ctrl_msg() fails to populate its contents.
syzbot reported:
dvb-usb: bulk message failed: -22 (1/-30591)
=====================================================
BUG: KMSAN: uninit-value in ir_lookup_by_scancode drivers/media/rc/rc-main.c:494 [inline]
BUG: KMSAN: uninit-value in rc_g_keycode_from_table drivers/media/rc/rc-main.c:582 [inline]
BUG: KMSAN: uninit-value in rc_keydown+0x1a6/0x6f0 drivers/media/rc/rc-main.c:816
CPU: 1 PID: 11436 Comm: kworker/1:2 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events dvb_usb_read_remote_control
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x191/0x1f0 lib/dump_stack.c:113
kmsan_report+0x13a/0x2b0 mm/kmsan/kmsan_report.c:108
__msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:250
bsearch+0x1dd/0x250 lib/bsearch.c:41
ir_lookup_by_scancode drivers/media/rc/rc-main.c:494 [inline]
rc_g_keycode_from_table drivers/media/rc/rc-main.c:582 [inline]
rc_keydown+0x1a6/0x6f0 drivers/media/rc/rc-main.c:816
cxusb_rc_query+0x2e1/0x360 drivers/media/usb/dvb-usb/cxusb.c:548
dvb_usb_read_remote_control+0xf9/0x290 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
kthread+0x4b5/0x4f0 kernel/kthread.c:256
ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:150 [inline]
kmsan_internal_chain_origin+0xd2/0x170 mm/kmsan/kmsan.c:314
__msan_chain_origin+0x6b/0xe0 mm/kmsan/kmsan_instr.c:184
rc_g_keycode_from_table drivers/media/rc/rc-main.c:583 [inline]
rc_keydown+0x2c4/0x6f0 drivers/media/rc/rc-main.c:816
cxusb_rc_query+0x2e1/0x360 drivers/media/usb/dvb-usb/cxusb.c:548
dvb_usb_read_remote_control+0xf9/0x290 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269
worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
kthread+0x4b5/0x4f0 kernel/kthread.c:256
ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Local variable description: ----ircode@cxusb_rc_query
Variable was created at:
cxusb_rc_query+0x4d/0x360 drivers/media/usb/dvb-usb/cxusb.c:543
dvb_usb_read_remote_control+0xf9/0x290 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
Signed-off-by: Vito Caputo <vcaputo@pengaru.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Remove this device from the cxusb driver so it can be added to the dvbsky
driver.
Signed-off-by: Jan Pieter van Woerkom <jp@jpvw.nl>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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There are some conflicts due to SPDX changes. We also have more
patches being merged via media tree touching them.
So, let's merge back from upstream and address those.
Linux 5.2-rc4
* tag 'v5.2-rc4': (767 commits)
Linux 5.2-rc4
MAINTAINERS: Karthikeyan Ramasubramanian is MIA
i2c: xiic: Add max_read_len quirk
lockref: Limit number of cmpxchg loop retries
uaccess: add noop untagged_addr definition
x86/insn-eval: Fix use-after-free access to LDT entry
kbuild: use more portable 'command -v' for cc-cross-prefix
s390/unwind: correct stack switching during unwind
block, bfq: add weight symlink to the bfq.weight cgroup parameter
cgroup: let a symlink too be created with a cftype file
drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards
drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW
drm/nouveau/secboot: split out FW version-specific LS function pointers
drm/nouveau/secboot: pass max supported FW version to LS load funcs
drm/nouveau/core: support versioned firmware loading
drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device
block: free sched's request pool in blk_cleanup_queue
pktgen: do not sleep with the thread lock held.
net: mvpp2: Use strscpy to handle stat strings
net: rds: fix memory leak in rds_ib_flush_mr_pool
...
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 135 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531081036.435762997@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As this driver had a major change, let's take the opportunity
and do some coding style cleanup, in order to make it compliant
with Kernel's style.
This patch was partially done with the help of two tools:
./scripts/checkpatch.pl --fix-inplace --strict
astyle --indent=tab=8 --style=linux
But manually adjusted in order to fit our style.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This patch adds support for analog part of Medion 95700 in the cxusb
driver.
What works:
* Video capture at various sizes with sequential fields,
* Input switching (TV Tuner, Composite, S-Video),
* TV and radio tuning,
* Video standard switching and auto detection,
* Radio mode switching (stereo / mono),
* Unplugging while capturing,
* DVB / analog coexistence.
What does not work yet:
* Audio,
* VBI,
* Picture controls.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: remove left-over commented-out debug message]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This patch prepares cxusb driver for supporting the analog part of
Medion 95700 (previously only the digital - DVB - mode was supported).
Specifically, it adds support for:
* switching the device between analog and digital modes of operation,
* enforcing that only one mode is active at the same time due to hardware
limitations.
Actual implementation of the analog mode will be provided by the next
commit.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Use codespell to fix lots of typos over frontends.
Manually verified to avoid false-positives.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This file got renamed, but the references still point to the
old place.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Convert the driver to allow its usage with the new I2C
binding way.
Please notice that this patch doesn't convert the
callers to bind to it using the new way.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Commit f8585ce655e9 ("[media] dvb-usb-cxusb: Geniatech T230C support")
sneaked in an unrelated change for the older T230 (not C) model.
As the commit was reverted this change was reverted too,
although likely correct.
Fixes: f8585ce655e9 ("[media] dvb-usb-cxusb: Geniatech T230C support")
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This reverts commit f8585ce655e9cdeabc38e8e2580b05735110e4a5.
The T230C is handled by the dvb-usb-v2/dvbsky.c driver, which should
be preferred over a dvb-usb (v1) driver.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The XC2028_I2C_FLUSH only needs to be implemented on a few
devices. Others can safely ignore it.
That prevents filling the dmesg with lots of messages like:
dib0700: stk7700ph_xc3028_callback: unknown command 2, arg 0
Cc: stable@vger.kernel.org
Fixes: 4d37ece757a8 ("[media] tuner/xc2028: Add I2C flush callback")
Reported-by: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Using the ARRAY_SIZE macro improves the readability of the code. Also,
it is not always useful to use a variable to store this constant
calculated at compile time.
Found with Coccinelle with the following semantic patch:
@r depends on (org || report)@
type T;
T[] E;
position p;
@@
(
(sizeof(E)@p /sizeof(*E))
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(sizeof(E)@p /sizeof(E[...]))
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(sizeof(E)@p /sizeof(T))
)
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Don't populate the read-only u8 array buf on the stack at run time but
instead make it static const; makes object code smaller saving over 480
bytes:
Before:
text data bss dec hex filename
33030 65936 192 99158 18356 drivers/media/usb/dvb-usb/cxusb.o
After:
text data bss dec hex filename
32446 66032 192 98670 1816e drivers/media/usb/dvb-usb/cxusb.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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RC_TYPE is confusing and it's just the protocol. So rename it.
Suggested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sean Young <sean@mess.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Adjust the keymap to use the correct nec scancodes, and adjust the
rc driver to output the correct nec scancodes.
Now the keymap can be used with any nec receiver, and the rc device
should work with any nec keymap.
Tested-by: Vincent McIntyre <vincent.mcintyre@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Updated Geniatech DVB-T/T2 stick support.
Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Commit 17ce039b4e54 ("[media] cxusb: don't do DMA on stack")
added a kmalloc'ed bounce buffer for writes, but missed to do the same
for reads. As the read only happens after the write is finished, we can
reuse the same buffer.
As dvb_usb_generic_rw handles a read length of 0 by itself, avoid calling
it using the dvb_usb_generic_read wrapper function.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The d680_dmb keymap has some new new mappings.
Tested-by: Vincent McIntyre <vincent.mcintyre@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch fix streaming issue for Geniatech T230/PT360.
Signed-off-by: CrazyCat <crazycat69@narod.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The data_mutex is initialized too late, as it is needed for
each device driver's power control, causing an OOPS:
dvb-usb: found a 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' in warm state.
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff846617af>] __mutex_lock_slowpath+0x6f/0x100 PGD 0
Oops: 0002 [#1] SMP
Modules linked in: dvb_usb_cinergyT2(+) dvb_usb
CPU: 0 PID: 2029 Comm: modprobe Not tainted 4.9.0-rc4-dvbmod #24
Hardware name: FUJITSU LIFEBOOK A544/FJNBB35 , BIOS Version 1.17 05/09/2014
task: ffff88020e943840 task.stack: ffff8801f36ec000
RIP: 0010:[<ffffffff846617af>] [<ffffffff846617af>] __mutex_lock_slowpath+0x6f/0x100
RSP: 0018:ffff8801f36efb10 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88021509bdc8 RCX: 00000000c0000100
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88021509bdcc
RBP: ffff8801f36efb58 R08: ffff88021f216320 R09: 0000000000100000
R10: ffff88021f216320 R11: 00000023fee6c5a1 R12: ffff88020e943840
R13: ffff88021509bdcc R14: 00000000ffffffff R15: ffff88021509bdd0
FS: 00007f21adb86740(0000) GS:ffff88021f200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000215bce000 CR4: 00000000001406f0
Call Trace:
mutex_lock+0x16/0x25
cinergyt2_power_ctrl+0x1f/0x60 [dvb_usb_cinergyT2]
dvb_usb_device_init+0x21e/0x5d0 [dvb_usb]
cinergyt2_usb_probe+0x21/0x50 [dvb_usb_cinergyT2]
usb_probe_interface+0xf3/0x2a0
driver_probe_device+0x208/0x2b0
__driver_attach+0x87/0x90
driver_probe_device+0x2b0/0x2b0
bus_for_each_dev+0x52/0x80
bus_add_driver+0x1a3/0x220
driver_register+0x56/0xd0
usb_register_driver+0x77/0x130
do_one_initcall+0x46/0x180
free_vmap_area_noflush+0x38/0x70
kmem_cache_alloc+0x84/0xc0
do_init_module+0x50/0x1be
load_module+0x1d8b/0x2100
find_symbol_in_section+0xa0/0xa0
SyS_finit_module+0x89/0x90
entry_SYSCALL_64_fastpath+0x13/0x94
Code: e8 a7 1d 00 00 8b 03 83 f8 01 0f 84 97 00 00 00 48 8b 43 10 4c 8d 7b 08 48 89 63 10 4c 89 3c 24 41 be ff ff ff ff 48 89 44 24 08 <48> 89 20 4c 89 64 24 10 eb 1a 49 c7 44 24 08 02 00 00 00 c6 43 RIP [<ffffffff846617af>] __mutex_lock_slowpath+0x6f/0x100 RSP <ffff8801f36efb10>
CR2: 0000000000000000
So, move it to the struct dvb_usb_device and initialize it
before calling the driver's callbacks.
Reported-by: Jörg Otte <jrg.otte@gmail.com>
Tested-by: Jörg Otte <jrg.otte@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The USB control messages require DMA to work. We cannot pass
a stack-allocated buffer, as it is not warranted that the
stack would be into a DMA enabled area.
Reviewed-by: Patrick Boettcher <patrick.boettcher@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Soon my dibcom.fr/parrot.com-address won't respond anymore.
Thus I'm replacing it. And, while being at it,
let's adapt some other (old) email-addresses as well.
Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The chips supported by the si2157 driver have two IF outputs (either
pins 12+13 or pins 9+11). Instead of hardcoding the output to be used
add an option to choose which output shall be used.
As this patch changes the default behaviour, the IF interface is
specified in each driver currently using si2157 driver. This is to
keep bisectability.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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numbers
Use enum to represent table offsets rather than hard-coding numbers to avoid
problems with the numbers becoming out of sync with the table.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Commit 2adb177e57417cf8409e86bda2c516e5f99a2099 removed 2 devices
from the cxusb device table but failed to fix up the T230 properties
that follow, meaning that this device no longer gets detected properly.
Adjust the cxusb_table index appropriate so detection works.
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Remove TechnoTrend CT2-4400 and CT2-4650 devices from cxusb.
They are supported by dvb-usb-dvbsky driver in PATCH 3/3.
Signed-off-by: Nibble Max <nibble.max@gmail.com>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Geniatech Mygica T230 DVB-T/T2/C USB stick support.
Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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When new parameters are added for si2168 driver, the parameters have to be explicitly defined for each device if the
si2168_config struct is not initialized to all zeros.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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cxusb.c:1443:32: warning: restricted __le16 degrades to integer
cxusb.c:1487:32: warning: restricted __le16 degrades to integer
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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There is a new version of the TechnoTrend CT2-4400 USB tuner. The difference is the demodulator that is used (Si2168-B40 instead of -A30).
For TT CT2-4400v2 a TS stream related parameter needs to be set, otherwise the stream becomes corrupted. The Windows driver for both CT2-4400 and CT2-4400v2 sets this as well. After this patch the driver works for both versions.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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drivers/media/usb/dvb-usb/cxusb.c:178:40: warning: restricted __le16 degrades to integer
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Read MAC address from the EEPROM.
This version two corrects a flaw in the result code returning that
did exist in the first version.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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TechnoTrend TT-connect CT2-4650 CI (0b48:3012) is an USB DVB-T2/C tuner with
the following components:
USB interface: Cypress CY7C68013A-56LTXC
Demodulator: Silicon Labs Si2168-A20
Tuner: Silicon Labs Si2158-A20
CI chip: CIMaX SP2HF
The firmware for the tuner is the same as for TechnoTrend TT-TVStick CT2-4400.
See https://www.mail-archive.com/linux-media@vger.kernel.org/msg76944.html
The demodulator needs a firmware that can be extracted from the Windows drivers.
File ttConnect4650_64.sys should be extracted from
http://www.tt-downloads.de/bda-treiber_4.1.0.4.zip (MD5 sum below).
3464bfc37a47b4032568718bacba23fb ttConnect4650_64.sys
Then the firmware can be extracted:
dd if=ttConnect4650_64.sys ibs=1 skip=273376 count=6424 of=dvb-demod-si2168-a20-01.fw
The SP2 CI module requires a definition of a function cxusb_tt_ct2_4650_ci_ctrl
that is passed on to the SP2 driver and called back for CAM operations.
[crope@iki.fi: meld USB ID define patch to this]
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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TS mode must be set in the existing TechnoTrend CT2-4400 driver.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Right now the protocol information is not preserved, rc-core gets handed a
scancode but has no idea which protocol it corresponds to.
This patch (which required reading through the source/keymap for all drivers,
not fun) makes the protocol information explicit which is important
documentation and makes it easier to e.g. support multiple protocols with one
decoder (think rc5 and rc-streamzap). The information isn't used yet so there
should be no functional changes.
[m.chehab@samsung.com: rebased, added cxusb and removed bad whitespacing]
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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As reported by Vincent:
[ 16.332247] xc2028 0-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.
[ 16.344378] cxusb: i2c wr: len=64 is too big!
64 bytes is too short for firmware load on this device. So, increase it
to 80 bytes.
Reported-by: Vincent McIntyre <vincent.mcintyre@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Modify all users of si2157_config to correctly initialize all not
listed values to 0.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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USB ID 0b48:3014.
USB interface: Cypress CY7C68013A-56LTXC
Demodulator: Silicon Labs Si2168-30
Tuner: Silicon Labs Si2158-20
Cc: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Exporting multiple symbols don't work as it causes compilation
breakages, due to the way dvb_attach() works.
This were reported several times, like:
drivers/built-in.o: In function `cxusb_dualdig4_rev2_tuner_attach':
>> cxusb.c:(.text+0x27d4b5): undefined reference to `dib7000p_get_i2c_master'
drivers/built-in.o: In function `dib7070_set_param_override':
cxusb.c:(.text+0x27d5a5): undefined reference to `dib0070_wbd_offset'
>> cxusb.c:(.text+0x27d5be): undefined reference to `dib7000p_set_wbd_ref'
drivers/built-in.o: In function `dib7070_tuner_reset':
>> cxusb.c:(.text+0x27d5f9): undefined reference to `dib7000p_set_gpio'
drivers/built-in.o: In function `cxusb_dualdig4_rev2_frontend_attach':
>> cxusb.c:(.text+0x27df5c): undefined reference to `dib7000p_i2c_enumeration'
In this specific report:
CONFIG_DVB_USB_CXUSB=y
CONFIG_DVB_DIB7000P=m
But the same type of bug can happen if:
CONFIG_DVB_DIB7000P=m
and one of the bridge drivers is compiled builtin (cxusb, cx23885-dvb
and/or dib0700).
As a bonus, dib7000p won't be loaded anymore if the device uses
a different frontend, reducing the memory footprint.
Tested with Hauppauge Nova-TD (2 frontends).
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Well, what we call as "foo_attach" is the method that should
be called by the dvb_attach() macro.
It should be noticed that the name "dvb_attach" is really a
bad name and don't express what it does.
dvb_attach() basically does three things, if the frontend is
compiled as a module:
- It lookups for the module that it is known to have the
given symbol name and requests such module;
- It increments the module usage (anonymously - so lsmod
doesn't print who loaded the module);
- after loading the module, it runs the function associated
with the dynamic symbol.
When compiled as builtin, it just calls the function given to it.
As dvb_attach() increments refcount, it can't be (easily)
called more than once for the same module, or the kernel
will deny to remove the module, because refcount will never
be zeroed.
In other words, the function name given to dvb_attach()
should be one single symbol that will always be called
before any other function on that module to be used.
For almost all DVB frontends, there's just one function.
However, the dib7000p initialization can require up to 3
functions to be called:
- dib7000p_get_i2c_master;
- dib7000p_i2c_enumeration;
- dib7000p_init (before this patch dib7000_attach).
(plus a bunch of other functions that the bridge driver will
need to call).
As we need to get rid of all those direct calls, because they
cause compilation breakages when bridge is builtin and
frontend is module, we'll need to add a new function that
will be the first one to be called, whatever initialization
is needed.
So, let's rename the function that probes and init the hardware
to dib7000p_init.
A latter patch will add a new dib7000p_attach that will be
used as originally conceived by dvb_attach() way.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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We recently introduced some new error paths which are missing their
unlocks.
Fixes: 64f7ef8afbf8 ('[media] cxusb: Don't use dynamic static allocation')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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