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path: root/drivers/media/cec/i2c
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2025-04-07media: cec: tda9950: add back i2c dependencyArnd Bergmann
drivers/media/cec/i2c/tda9950.c: In function 'tda9950_write_range': drivers/media/cec/i2c/tda9950.c:92:15: error: implicit declaration of function 'i2c_transfer' [-Wimplicit-function-declaration] 92 | ret = i2c_transfer(client->adapter, &msg, 1); | ^~~~~~~~~~~~ drivers/media/cec/i2c/tda9950.c: In function 'tda9950_probe': drivers/media/cec/i2c/tda9950.c:391:14: error: implicit declaration of function 'i2c_check_functionality' [-Wimplicit-function-declaration] 391 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { | ^~~~~~~~~~~~~~~~~~~~~~~ Fixes: caa6f4a75e9f ("media: cec: move driver for TDA9950 from drm/i2c") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2025-02-13media: cec: move driver for TDA9950 from drm/i2cDmitry Baryshkov
Move the driver for NXP TDA9950 / CEC part of TDA998x together to drivers/media/i2c, close to other CEC drivers. Specify 'default DRM_I2C_NXP_TDA998X' in order to simplify migration from old config files as the Kconfig name has been changed to follow media/cec style. Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Link: https://patchwork.freedesktop.org/patch/msgid/20250113-drm-move-tda998x-v3-2-214e0682a5e4@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2023-07-14media: cec: ch7322: drop of_match_ptr for ID tableKrzysztof Kozlowski
The driver can match only via the DT table so the table should be always used and the of_match_ptr does not have any sense (this also allows ACPI matching via PRP0001, even though it might not be relevant here). drivers/media/cec/i2c/ch7322.c:583:34: error: ‘ch7322_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-06-28media: cec: i2c: ch7322: also select REGMAPRandy Dunlap
Selecting only REGMAP_I2C can leave REGMAP unset, causing build errors, so also select REGMAP to prevent the build errors. ../drivers/media/cec/i2c/ch7322.c:158:21: error: variable 'ch7322_regmap' has initializer but incomplete type 158 | static const struct regmap_config ch7322_regmap = { ../drivers/media/cec/i2c/ch7322.c:159:10: error: 'const struct regmap_config' has no member named 'reg_bits' 159 | .reg_bits = 8, ../drivers/media/cec/i2c/ch7322.c:159:21: warning: excess elements in struct initializer 159 | .reg_bits = 8, ../drivers/media/cec/i2c/ch7322.c:160:10: error: 'const struct regmap_config' has no member named 'val_bits' 160 | .val_bits = 8, ../drivers/media/cec/i2c/ch7322.c:160:21: warning: excess elements in struct initializer 160 | .val_bits = 8, ../drivers/media/cec/i2c/ch7322.c:161:10: error: 'const struct regmap_config' has no member named 'max_register' 161 | .max_register = 0x7f, ../drivers/media/cec/i2c/ch7322.c:161:25: warning: excess elements in struct initializer 161 | .max_register = 0x7f, ../drivers/media/cec/i2c/ch7322.c:162:10: error: 'const struct regmap_config' has no member named 'disable_locking' 162 | .disable_locking = true, ../drivers/media/cec/i2c/ch7322.c:162:28: warning: excess elements in struct initializer 162 | .disable_locking = true, ../drivers/media/cec/i2c/ch7322.c: In function 'ch7322_probe': ../drivers/media/cec/i2c/ch7322.c:468:26: error: implicit declaration of function 'devm_regmap_init_i2c' [-Werror=implicit-function-declaration] 468 | ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap); ../drivers/media/cec/i2c/ch7322.c:468:24: warning: assignment to 'struct regmap *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 468 | ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap); ../drivers/media/cec/i2c/ch7322.c: At top level: ../drivers/media/cec/i2c/ch7322.c:158:35: error: storage size of 'ch7322_regmap' isn't known 158 | static const struct regmap_config ch7322_regmap = { Link: https://lore.kernel.org/linux-media/20230608025435.29249-1-rdunlap@infradead.org Fixes: 21b9a47e0ec7 ("media: cec: i2c: ch7322: Add ch7322 CEC controller driver") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jeff Chase <jnchase@google.com> Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Joe Tessler <jrt@google.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Mark Brown <broonie@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-05-25media: Switch i2c drivers back to use .probe()Uwe Kleine-König
After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then commit 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2022-08-16i2c: Make remove callback return voidUwe Kleine-König
The value returned by an i2c driver's remove function is mostly ignored. (Only an error message is printed if the value is non-zero that the error is ignored.) So change the prototype of the remove function to return no value. This way driver authors are not tempted to assume that passing an error to the upper layer is a good idea. All drivers are adapted accordingly. There is no intended change of behaviour, all callbacks were prepared to return 0 before. Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Crt Mori <cmo@melexis.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013 Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/* Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5 Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860 Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power Acked-by: Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-04media: cec: i2c: ch7322: Add ch7322 CEC controller driverJeff Chase
Add a CEC device driver for the Chrontel ch7322 CEC conroller. This is an I2C device capable of sending and receiving CEC messages. Signed-off-by: Jeff Chase <jnchase@google.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>