- 08 Jul, 2016 40 commits
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Mauro Carvalho Chehab authored
The signal strength value is reversed: the bigger the number, the weaker is the signal. Fix the logic and present it in dBm. Please notice that the dBm measure is actually an estimation, as the ratio is not fully linear. It also varies with the frequency. Yet, the estimation should be good enough for programs like Kaffeine to indicate when the signal is good or bad. Signed-off-by:
Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by:
Abylay Ospan <aospan@netup.ru> Signed-off-by:
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Mauro Carvalho Chehab authored
It is a good idea to measure the signal strength while tuning, as this helps to identify if the antenna is ok. Also, such measure helps to identify the quality of the signal. Do some changes to enable it before signal lock. While here, optimize the code to only initialize the stats length once, and make sure that, just after set_frontend, any reading for the stats that depends on lock to return FE_SCALE_NOT_AVAILABLE. Signed-off-by:
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Hans Verkuil authored
The cec_msg_request_short_audio_descriptor function was missing the reply argument. That's needed if you want the framework to wait for the reply message. Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
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Hans Verkuil authored
The cec_ops_* functions never touch cec_msg, so mark it as const. This was done for some of the cec_ops_ functions, but not all. Signed-off-by:
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Hans Verkuil authored
Add msg->len sanity checks to fix static checker warning: include/linux/cec-funcs.h:1154 cec_ops_set_osd_string() warn: setting length 'msg->len - 3' to negative one Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Hans Verkuil authored
- Use IS_REACHABLE(RC_CORE) instead of IS_ENABLED: if cec is built-in and RC_CORE is a module, then CEC can't reach the RC symbols. - Both cec and cec-edid should be bool and use the same build 'mode' as MEDIA_SUPPORT (just as is done for the media controller code). - Add a note to staging that this should be changed once the cec framework is moved out of staging. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Arnd Bergmann authored
The MEDIA_CEC_EDID option is guarded by MEDIA_SUPPORT, so selecting it from MEDIA_CEC produces a warning: warning: (MEDIA_CEC) selects MEDIA_CEC_EDID which has unmet direct dependencies (MEDIA_SUPPORT) The warning is harmless, but it's better to add an explicit dependency to shut it up, to reduce the noise during randconfig builds. Fixes: ca684386 ("[media] cec: add HDMI CEC framework (api)") Signed-off-by:
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Arnd Bergmann authored
The suspend/resume functions in the s5p-cec driver are only referenced when CONFIG_PM is enabled, so we get a warning about unused functions otherwise: drivers/staging/media/s5p-cec/s5p_cec.c:260:12: error: 's5p_cec_resume' defined but not used [-Werror=unused-function] static int s5p_cec_resume(struct device *dev) ^~~~~~~~~~~~~~ drivers/staging/media/s5p-cec/s5p_cec.c:253:12: error: 's5p_cec_suspend' defined but not used [-Werror=unused-function] static int s5p_cec_suspend(struct device *dev) This marks them as __maybe_unused to avoid the warning without having to introduce an extra #ifdef. Signed-off-by: -
Hans Verkuil authored
CEC_MSG_REPORT_PHYSICAL_ADDR can theoretically be received from an unregistered device, but in that case the code should not attempt to write the received physical address to the phys_addrs array. That would be pointless since there can be multiple unregistered devices that report a physical address. We just ignore those. While at it, improve the dprintk since it would attempt to read from that array as well with the same out-of-bounds problem. Signed-off-by:
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Hans Verkuil authored
Like the videodev2.h and other headers, explicitly allow these headers to be used with the BSD license. Signed-off-by:
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Hans Verkuil authored
When a reply to an earlier transmit is received, the tx_status of that transmit needs to be restored. Otherwise the status that the transmit was successful would be lost. Signed-off-by:
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Kamil Debski authored
Add the keymap module for HDMI CEC remote control commands. Signed-off-by:
Kamil Debski <kamil@wypas.org> Signed-off-by:
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Mauro Carvalho Chehab authored
* topic/cec: [media] DocBook/media: add CEC documentation [media] s5p_cec: get rid of an unused var [media] move s5p-cec to staging [media] vivid: add CEC emulation [media] cec: s5p-cec: Add s5p-cec driver [media] cec: adv7511: add cec support [media] cec: adv7842: add cec support [media] cec: adv7604: add cec support [media] cec: add compat32 ioctl support [media] cec/TODO: add TODO file so we know why this is still in staging [media] cec: add HDMI CEC framework (api) [media] cec: add HDMI CEC framework (adapter) [media] cec: add HDMI CEC framework (core) [media] cec-funcs.h: static inlines to pack/unpack CEC messages [media] cec.h: add cec header [media] cec-edid: add module for EDID CEC helper functions [media] cec.txt: add CEC framework documentation [media] rc: Add HDMI CEC protocol handling
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Mauro Carvalho Chehab authored
Linux 4.7-rc6 * tag 'v4.7-rc6': (1245 commits) Linux 4.7-rc6 ovl: warn instead of error if d_type is not supported MIPS: Fix possible corruption of cache mode by mprotect. locks: use file_inode() usb: dwc3: st: Use explicit reset_control_get_exclusive() API phy: phy-stih407-usb: Use explicit reset_control_get_exclusive() API phy: miphy28lp: Inform the reset framework that our reset line may be shared namespace: update event counter when umounting a deleted dentry 9p: use file_dentry() lockd: unregister notifier blocks if the service fails to come up completely ACPI,PCI,IRQ: correct operator precedence fuse: serialize dirops by default drm/i915: Fix missing unlock on error in i915_ppgtt_info() powerpc: Initialise pci_io_base as early as possible mfd: da9053: Fix compiler warning message for uninitialised variable mfd: max77620: Fix FPS switch statements phy: phy-stih407-usb: Inform the reset framework that our reset line may be shared usb: dwc3: st: Inform the reset framework that our reset line may be shared usb: host: ehci-st: Inform the reset framework that our reset line may be shared usb: host: ohci-st: Inform the reset framework that our reset line may be shared ...
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Heiner Kallweit authored
These two fields are not used and can be removed. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:
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Heiner Kallweit authored
If the logical device is disabled then it can not generate interrupts. Therefore this check is not needed. Signed-off-by:
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Heiner Kallweit authored
Simplify interupt handling code. Signed-off-by:
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Heiner Kallweit authored
Study states have never been used and are not needed. Remove them. Signed-off-by:
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Heiner Kallweit authored
The definition of rawir includes the initialization already. Signed-off-by:
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Heiner Kallweit authored
Simplify a few functions. Signed-off-by:
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Heiner Kallweit authored
Wake states have never been in use and now that we can set the wakeup sequence via sysfs there's in general no need for them. Signed-off-by:
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Heiner Kallweit authored
The registers defining wakeup sequence handling are set when the wakeup sequence is set via sysfs. There's no need to initialize them otherwise. Signed-off-by:
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Heiner Kallweit authored
There is a rudimentary ISR for handling interrupts generated by the wakeup part of the chip. Interrupts however have never been enabled in the wakeup part. Also, now that we can set the wakeup sequence via sysfs, there's in general no need to enable interrupts in the wakeup part. Signed-off-by:
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Heiner Kallweit authored
To detect a rx fifo overrun it's checked whether the number of elements in the chip fifo exceeds the fifo size. This check can never return true and is wrong. Instead we should generate an interrupt if the fifo overruns. Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
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Antti Palosaari authored
Move statistics polling to read_status() in order to avoid use of kernel work. Also replace home made sign extension used for statistics with kernel sign_extend32(). Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
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Antti Palosaari authored
Move statistics polling to read_status() in order to avoid use of kernel work. Signed-off-by:
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Antti Palosaari authored
* remove some unneeded variable initialization * rename variables * use min() macro to calc max i2c xfer len * change bad firmware error code from EFAULT to EINVAL Signed-off-by:
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Antti Palosaari authored
There was some calculations where was kHz used in order to keep calculation withing 32-bit. Convert all to Hz and use 64-bit division helpers where needed. Signed-off-by:
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Antti Palosaari authored
Simplify TS clock divider calculation and programming slightly. Signed-off-by:
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Antti Palosaari authored
DiSEqC message sending takes 13.5 ms per byte, which is 54 ms total when typical 4 byte message is sent. Don't hard-code time limit to 54 ms, but calculate it. Time limit is only used to determine when to start poll "DiSEqC Tx ready" status from the chip. Signed-off-by:
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Antti Palosaari authored
No need to clear negative msb bits as those were dropped in any case when data is written to register. Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
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Antti Palosaari authored
Disable runtime unbind as driver does not support it. Signed-off-by:
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Antti Palosaari authored
Si2168-B40 firmware API has changed somewhere between 4.0-11 and 4.0-19 so that sleep will lose firmware upgrade from the chip. Due to that firmware re-upload is needed when newer firmwares are used. Rewrote firmware handling logic partly at the same. Signed-off-by:
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Hans Verkuil authored
Fix sparse warnings: tw686x-video.c:148:29: warning: symbol 'memcpy_dma_ops' was not declared. Should it be static? tw686x-video.c:195:29: warning: symbol 'contig_dma_ops' was not declared. Should it be static? tw686x-video.c:361:29: warning: symbol 'sg_dma_ops' was not declared. Should it be static? Signed-off-by:
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Dragos Bogdan authored
The part can be reset by a low pulse on the RESET pin (i.e. a hardware reset) with a minimum width of 5 ms. It is recommended to wait 5 ms after the low pulse before an I2C write is performed to the part. For safety reasons, the delays will be between 5 and 10 ms. The RESET pin can be tied high, so the GPIO is optional. Signed-off-by:
Dragos Bogdan <dragos.bogdan@analog.com> Reviewed-by:
Lars-Peter Clausen <lars@metafoo.de> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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