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path: root/drivers/media/i2c/smiapp
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* media: smiapp: Query the V4L2 endpoint for a specific bus typeSakari Ailus2018-10-041-0/+6
| | | | | | | | | | | Instead of opportunistically trying to gather some information from the V4L2 endpoint, set the bus type and let the V4L2 fwnode framework figure out the configuration. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com> Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: v4l: fwnode: Let the caller provide V4L2 fwnode endpointSakari Ailus2018-10-041-13/+13
| | | | | | | | | | | | Instead of allocating the V4L2 fwnode endpoint in v4l2_fwnode_endpoint_alloc_parse, let the caller to do this. This allows setting default parameters for the endpoint which is a very common need for drivers. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com> Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: v4l: mediabus: Recognise CSI-2 D-PHY and C-PHYSakari Ailus2018-10-041-1/+1
| | | | | | | | | | The CSI-2 bus may use either D-PHY or C-PHY. Make this visible in media bus enum. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com> Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: Remove unused loopRicardo Ribalda Delgado2018-10-031-3/+1Star
| | | | | | | | | The loop seemed to be made to calculate max, but max is not used in that function. Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: Use v4l2_i2c_subdev_set_nameSakari Ailus2018-09-171-6/+4Star
| | | | | | | | | Use v4l2_i2c_subdev_set_name() to set the name of the smiapp driver's sub-devices. There is no functional change. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: fix debug messageLuca Ceresoli2018-07-241-1/+1
| | | | | | | | ask_h gets printed here instead of ask_w. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: Set correct MODULE_LICENSESakari Ailus2018-07-241-1/+1
| | | | | | | | The smiapp driver is licensed under GNU GPL v2 only, as stated by the header. Reflect this in the MODULE_LICENSE macro. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: Support the "rotation" propertySakari Ailus2018-06-281-0/+16
| | | | | | | | | | Use the "rotation" property to tell that the sensor is mounted upside down. This reverses the behaviour of the VFLIP and HFLIP controls as well as the pixel order. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: smiapp: fix timeout checking in smiapp_read_nvmColin Ian King2018-05-171-6/+5Star
| | | | | | | | | | | | | | | | | | | The current code decrements the timeout counter i and the end of each loop i is incremented, so the check for timeout will always be false and hence the timeout mechanism is just a dead code path. Potentially, if the RD_READY bit is not set, we could end up in an infinite loop. Fix this so the timeout starts from 1000 and decrements to zero, if at the end of the loop i is zero we have a timeout condition. Detected by CoverityScan, CID#1324008 ("Logically dead code") Fixes: ccfc97bdb5ae ("[media] smiapp: Add driver") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: fix usage of whitespaces and on indentationMauro Carvalho Chehab2018-01-041-1/+1
| | | | | | | | | On several places, whitespaces are being used for indentation, or even at the end of the line. Fix them. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: smiapp: Add support for flash and lens devicesSakari Ailus2017-10-311-1/+1
| | | | | | | | | | | | | | | | | | | Parse async sub-devices related to the sensor by switching the async sub-device registration function. These types devices aren't directly related to the sensor, but are nevertheless handled by the smiapp driver due to the relationship of these component to the main part of the camera module --- the sensor. This does not yet address providing the user space with information on how to associate the sensor or lens devices but the kernel now has the necessary information to do that. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: smiapp: Rely on runtime PMSakari Ailus2017-10-243-65/+40Star
| | | | | | | | | | | | | | | | | | Instead of relying on a mix of runtime PM and the s_power() callback, drop the s_power() callback altogether and use runtime PM solely. As device access is required during device power-on and power-off sequences, runtime PM alone cannot tell whether the device is available. Thus the "active" field is introduced in struct smiapp_sensor to tell whether it is safe to write to the device. Consequently there is no need to power on the device whenever a file handle is open. This functionality is removed as well. The user may still control the device power management through sysfs. Autosuspend remains enabled, with 1 s delay. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* media: smiapp: Use __v4l2_ctrl_handler_setup()Sakari Ailus2017-10-241-8/+12
| | | | | | | | Use unlocked __v4l2_ctrl_handler_setup() in order to make the control setup atomic. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] smiapp: Make clock control optionalSakari Ailus2017-10-041-1/+4
| | | | | | | | | The clock control is not explicitly controlled by the driver in two cases: ACPI based systems and when the clock is part of the power sequence of the camera module. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] smiapp: Get clock rate if it's not available through DTSakari Ailus2017-10-041-19/+33
| | | | | | | | | | | | Obtain the clock rate from the clock framework if it's not available through DT. The assumption is that the parent device (camera module) defines the rate as clock control is a part of the power on and power off sequences --- which are camera module specific. Also use the clock rate from DT if no clock is provided. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] smiapp: Verify clock frequency after setting it, prevent changing itSakari Ailus2017-10-041-0/+9
| | | | | | | | | | | | The external clock frequency was set by the driver but the obtained frequency was never verified. Do that. Being able to obtain the exact frequency is important as the value is used for PLL calculations which may result in frequencies that violate the PLL tree limits. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] smiapp: Fix error handling in power on sequenceSakari Ailus2017-10-041-1/+1
| | | | | | | | The error handling code in smiapp_power_on() returned in case of a failed I2C write instead of cleaning up the mess. Fix this. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* media: smiapp: check memory allocation failureChristophe JAILLET2017-08-271-0/+2
| | | | | | | | Check memory allocation failure and return -ENOMEM in such a case. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: smiapp: make various const arrays staticColin Ian King2017-07-191-4/+4
| | | | | | | | | | | | | | | | | Don't populate const arrays on the stack but instead make them static. Makes the object code smaller and saves nearly 550 bytes. Before: text data bss dec hex filename 3638 752 0 4390 1126 smiapp-quirk.o After: text data bss dec hex filename 2802 1040 0 3842 f02 smiapp-quirk.o Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: smiapp: add CCP2 supportPavel Machek2017-07-191-4/+10
| | | | | | | | | | | Add support for CCP2 connected SMIA sensors as found on the Nokia N900. Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] v4l: Switch from V4L2 OF not V4L2 fwnode APISakari Ailus2017-06-062-14/+16
| | | | | | | | | | | | Switch users of the v4l2_of_ APIs to the more generic v4l2_fwnode_ APIs. Async OF matching is replaced by fwnode matching and OF matching support is removed. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Benoit Parrot <bparrot@ti.com> # i2c/ov2569.c, am437x/am437x-vpfe.c and ti-vpe/cal.c Tested-by: Hans Verkuil <hans.verkuil@cisco.com> # Atmel sama5d3 board + ov2640 sensor Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Make suspend and resume functions __maybe_unusedSakari Ailus2016-12-211-2/+2
| | | | | | | | | | | The smiapp_suspend() and smiapp_resume() functions will end up being unused if CONFIG_PM is enabled but CONFIG_PM_SLEEP is disabled, causing a compiler warning from both of the function definitions. Fix this by marking the functions with __maybe_unused. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Implement power-on and power-off sequences without runtime PMSakari Ailus2016-12-211-19/+10Star
| | | | | | | | Power on the sensor when the module is loaded and power it off when it is removed. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Implement support for autosuspendSakari Ailus2016-10-211-10/+19
| | | | | | | | | Delay suspending the device by 1000 ms by default. This is done on explicit power off through s_power() callback, through releasing the file descriptor, NVM read or when the probe finishes. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Use runtime PMSakari Ailus2016-10-212-59/+83
| | | | | | | | Switch to runtime PM in sensor power management. The internal power count is thus removed. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Set use suspend and resume ops for other functionsSakari Ailus2016-10-211-2/+1Star
| | | | | | | | | Use the suspend and resume ops for freeze, thaw, poweroff and restore callbacks as well. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Set device for pixel array and binnerSakari Ailus2016-10-211-0/+1
| | | | | | | | | The dev field of the v4l2_subdev was left NULL for the pixel array and binner sub-devices. Fix this. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Drop BUG_ON() in suspend pathSakari Ailus2016-10-211-2/+0Star
| | | | | | | | | Checking that the mutex is not acquired is unnecessary for user processes are stopped by this point. Drop the check. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Drop a debug print on frame size and bit depthSakari Ailus2016-10-211-6/+0Star
| | | | | | | | | The first time the sensor is powered on, the information is not yet available. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Obtain correct media bus code for try formatSakari Ailus2016-10-211-3/+1Star
| | | | | | | | | | The media bus code obtained for try format may have been a code that the sensor did not even support. Use a supported code with the current pixel order. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Remove useless newlines and other small cleanupsSakari Ailus2016-10-211-20/+13Star
| | | | | | | | | | | The code probably has been unindented at some point but rewrapping has not been done. Do it now. Also remove a useless memory allocation failure message. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Improve debug messages from frame layout readingSakari Ailus2016-10-211-11/+8Star
| | | | | | | | Provide more debugging information on reading the frame layout. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Obtain frame layout from the frame descriptorSakari Ailus2016-10-212-21/+30
| | | | | | | | | | Besides the image data, SMIA++ compliant sensors also provide embedded data in form of registers used to capture the image. Store this information for later use in frame descriptor and routing. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Use SMIAPP_PADS when referring to number of padsSakari Ailus2016-10-211-2/+2
| | | | | | | | | Replace plain value 2 with SMIAPP_PADS when referring to the number of pads. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Unify setting up sub-devicesSakari Ailus2016-10-211-4/+1Star
| | | | | | | | | | The initialisation of the source sub-device is somewhat different as it's not created by the smiapp driver itself. Remove redundancy in initialising the two kind of sub-devices. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Read frame format earlierSakari Ailus2016-10-211-2/+6
| | | | | | | | | | The information gathered during frame format reading will be required earlier in the initialisation when it was available. Also return an error if frame format cannot be obtained. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Merge smiapp_init() with smiapp_probe()Sakari Ailus2016-10-211-219/+204Star
| | | | | | | | The smiapp_probe() is the sole caller of smiapp_init(). Unify the two. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Fix resource management in registration failureSakari Ailus2016-10-211-1/+21
| | | | | | | | | | If the registered() callback failed, resources were left unaccounted for. Fix this, as well as add unregistering the sub-devices in driver unregistered() callback. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Always initialise the sensor in probeSakari Ailus2016-10-211-25/+5Star
| | | | | | | | | | | | Initialise the sensor in probe. The reason why it wasn't previously done in case of platform data was that the probe() of the driver that provided the clock through the set_xclk() callback would need to finish before the probe() function of the smiapp driver. The set_xclk() callback no longer exists. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Remove unnecessary BUG_ON()'sSakari Ailus2016-10-212-12/+20
| | | | | | | | | Instead, calculate how much is needed and then allocate the memory dynamically. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Provide a common function to obtain native pixel array sizeSakari Ailus2016-10-211-20/+19Star
| | | | | | | | | | The same pixel array size is required for the active format of each sub-device sink pad and try format of each sink pad of each opened file handle as well as for the native size rectangle. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Split off sub-device registration into twoSakari Ailus2016-10-211-37/+45
| | | | | | | | | Remove the loop in sub-device registration and create each sub-device explicitly instead. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Initialise media entity after sensor initSakari Ailus2016-10-211-5/+5
| | | | | | | | | This allows determining the number of pads in the entity based on the sensor. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Explicitly define number of pads in initialisationSakari Ailus2016-10-211-10/+7Star
| | | | | | | | Define the number of pads explicitly in initialising the sub-devices. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Move sub-device initialisation into a separate functionSakari Ailus2016-10-211-59/+51Star
| | | | | | | | | Simplify smiapp_init() by moving the initialisation of individual sub-devices to a separate function. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: don't break long linesMauro Carvalho Chehab2016-10-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to the 80-cols restrictions, and latter due to checkpatch warnings, several strings were broken into multiple lines. This is not considered a good practice anymore, as it makes harder to grep for strings at the source code. As we're right now fixing other drivers due to KERN_CONT, we need to be able to identify what printk strings don't end with a "\n". It is a way easier to detect those if we don't break long lines. So, join those continuation lines. The patch was generated via the script below, and manually adjusted if needed. </script> use Text::Tabs; while (<>) { if ($next ne "") { $c=$_; if ($c =~ /^\s+\"(.*)/) { $c2=$1; $next =~ s/\"\n$//; $n = expand($next); $funpos = index($n, '('); $pos = index($c2, '",'); if ($funpos && $pos > 0) { $s1 = substr $c2, 0, $pos + 2; $s2 = ' ' x ($funpos + 1) . substr $c2, $pos + 2; $s2 =~ s/^\s+//; $s2 = ' ' x ($funpos + 1) . $s2 if ($s2 ne ""); print unexpand("$next$s1\n"); print unexpand("$s2\n") if ($s2 ne ""); } else { print "$next$c2\n"; } $next=""; next; } else { print $next; } $next=""; } else { if (m/\"$/) { if (!m/\\n\"$/) { $next=$_; next; } } } print $_; } </script> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Add support for 14 and 16 bits per sample depthsSakari Ailus2016-09-092-1/+9
| | | | | | | | SMIA++ supports 14 and 16 bits per pixel formats as well. Add support to these formats in the driver. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Remove set_xclk() callback from hwconfigSakari Ailus2016-09-051-32/+17Star
| | | | | | | | | The clock framework is generally so well supported that there's no reason to keep this one around. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Switch to gpiod API for GPIO controlSakari Ailus2016-09-052-25/+12Star
| | | | | | | | Switch from the old gpio API to the new descriptor based gpiod API. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] smiapp: Constify the regs argument to smiapp_write_8s()Sakari Ailus2016-09-051-7/+5Star
| | | | | | | | The data may now be const as well. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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