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path: root/drivers/input/touchscreen/ad7879-i2c.c
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* Input: convert I2C drivers to use module_i2c_driver()Axel Lin2012-03-161-11/+1
| | | | | | | | | This patch converts the drivers in drivers/input/* to use the module_i2c_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879-i2c - use swapped variant of i2c_smbus_read_word_dataJonathan Cameron2011-11-301-2/+2
| | | | | | | | | | | | | This variant was introduced in i2c: boilerplate function for byte swapped smbus_write/read_word_data This also has the side effect of ensuring any errors from the i2c read and no longer mangled. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879-i2c - remove redundant MODULE_ALIASAxel Lin2011-11-291-1/+0
| | | | | | | | MODULE_DEVICE_TABLE will setup the module alias for us, thus adding MODULE_ALIAS for an entry already in MODULE_DEVICE_TABLE is redundant. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879 - consolidate PM methodsDmitry Torokhov2011-11-151-25/+1
| | | | | | | | The PM methods are basically the same for SPI and I2C busses, so let's use the same dev_pm_ops for both of them. Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879-i2c - wrap suspend and resume in CONFIG_PM_SLEEPDmitry Torokhov2011-10-061-4/+2
| | | | | | | | | | | CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined, however suspend and resume methods are only valid in the context of CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following warning (courtesy of Geerts randconfig builds): ad7879-i2c.c: warning: 'ad7879_i2c_resume' defined but not used Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879 - convert I2C to dev_pm_opsMark Brown2011-01-061-7/+10
| | | | | | | | | | | There is a general move towards the use of dev_pm_ops rather than bus specific suspend APIs as this simplifies both the bus and PM core implementations. Convert the ad7879-ts I2C support over. Compile tested only. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879 - use i2c_smbus_read_i2c_block_data() to lower overheadMichael Hennerich2010-07-031-1/+4
| | | | | | | | Avoid additional addressing overhead incurred by word_data transfers. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879 - add open and close methodsDmitry Torokhov2010-07-031-2/+2
| | | | | Tested-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
* Input: ad7879 - split bus logic outMike Frysinger2010-07-031-0/+140
The ad7879 driver is using the old bus method of only supporting one at a time (I2C or SPI). So refactor it like the other input drivers that support multiple busses simultaneously. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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