mirror_ubuntu-kernels/drivers/input/touchscreen
Jeff LaBundy 050fac7f05 Input: iqs5xx - eliminate unnecessary register read
Instead of relying on firmware to enable important register fields
and performing read-modify-write operations to additionally enable
the fields the driver cares about, it's much simpler just to write
all of the pertinent fields explicitly.

This avoids an unnecessary register read operation at start-up and
makes way for the iqs5xx_read_byte() helper to be dropped.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/1611002626-5889-8-git-send-email-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2021-01-24 20:49:09 -08:00
..
88pm860x-ts.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
ad7877.c Input: ad7877 - use new structure for SPI transfer delays 2020-12-10 23:39:15 -08:00
ad7879-i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ad7879-spi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ad7879.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
ad7879.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ads7846.c Input: ads7846 - convert to one message 2021-01-20 23:21:54 -08:00
ar1021_i2c.c Input: ar1021 - fix typo in preprocessor macro name 2019-11-11 16:02:30 -08:00
atmel_mxt_ts.c Input: atmel_mxt_ts - simplify the return expression of mxt_send_bootloader_cmd() 2020-12-10 23:39:18 -08:00
auo-pixcir-ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
bcm_iproc_tsc.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
bu21013_ts.c Input: bu21013_ts - switch to using standard touchscreen properties 2019-09-02 09:07:38 -07:00
bu21029_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
chipone_icn8318.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
chipone_icn8505.c Input: icn8505 - Switch to firmware_request_platform for retreiving the fw 2020-03-20 14:57:54 +01:00
colibri-vf50-ts.c Input: colibri-vf50-ts - remove unneeded gpio.h header file 2019-10-27 11:14:22 -07:00
cy8ctma140.c Input: add driver for the Cypress CY8CTMA140 touchscreen 2020-05-09 22:26:48 -07:00
cy8ctmg110_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 2019-05-30 11:29:19 -07:00
cyttsp4_core.c Input: cyttsp4 - move 'cyttsp4_tch_abs_string' to the only file that references it 2020-11-08 22:35:48 -08:00
cyttsp4_core.h Input: cyttsp4 - move 'cyttsp4_tch_abs_string' to the only file that references it 2020-11-08 22:35:48 -08:00
cyttsp4_i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
cyttsp4_spi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
cyttsp_core.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
cyttsp_core.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
cyttsp_i2c_common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
cyttsp_i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
cyttsp_spi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
da9034-ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
da9052_tsi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dynapro.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
edt-ft5x06.c Input: edt-ft5x06 - consolidate handling of number of electrodes 2020-12-10 21:46:24 -08:00
eeti_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
egalax_ts_serial.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
egalax_ts.c Input: egalax_ts - add system wakeup support 2018-09-18 15:28:07 -07:00
ektf2127.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
elants_i2c.c Input: elants_i2c - add support for eKTF3624 2021-01-24 18:20:53 -08:00
elo.c Input: Use fallthrough pseudo-keyword 2020-07-07 11:25:54 -07:00
exc3000.c Input: exc3000 - add support to query model and fw_version 2020-08-06 17:34:19 -07:00
fsl-imx25-tcq.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
fujitsu_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
goodix.c Input: goodix - fix misspelling of 'ctx' 2020-11-19 19:56:39 -08:00
gunze.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
hampshire.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
hideep.c Input: hideep - switch to use device_property_count_u32() 2019-08-12 00:03:11 -07:00
hp680_ts_input.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
htcpen.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ili210x.c Input: ili210x - add ili2120 support 2020-02-10 10:00:22 -08:00
imx6ul_tsc.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
inexio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ipaq-micro-ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
iqs5xx.c Input: iqs5xx - eliminate unnecessary register read 2021-01-24 20:49:09 -08:00
jornada720_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Kconfig Input: add zinitix touchscreen driver 2020-10-04 16:08:09 -07:00
lpc32xx_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
mainstone-wm97xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Makefile Input: add zinitix touchscreen driver 2020-10-04 16:08:09 -07:00
max11801_ts.c Input: Use fallthrough pseudo-keyword 2020-07-07 11:25:54 -07:00
mc13783_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mcs5000_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
melfas_mip4.c Input: melfas_mip4 - mark a bunch of variables as __always_unused 2021-01-19 19:03:13 -08:00
migor_ts.c Input: migor_ts - convert to SPDX identifiers 2018-11-12 11:52:05 -08:00
mk712.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mms114.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
mtouch.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mxs-lradc-ts.c Input: mxs-lradc-ts - use devm_platform_ioremap_resource() 2019-07-24 12:48:47 +03:00
of_touchscreen.c Input: of_touchscreen - explicitly choose axis 2020-03-24 15:21:24 -07:00
pcap_ts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
penmount.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
pixcir_i2c_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
raspberrypi-ts.c Input: introduce input_mt_report_slot_inactive() 2020-05-12 13:18:26 -07:00
raydium_i2c_ts.c Input: raydium_ts_i2c - do not send zero length 2020-12-15 17:49:33 -08:00
resistive-adc-touch.c Input: resistive-adc-touch - struct headers should start with 'struct <name>' 2020-11-08 22:33:52 -08:00
rohm_bu21023.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
s3c2410_ts.c Input: s3c2410_ts - remove unneeded gpio.h header file 2019-10-27 11:14:24 -07:00
s6sy761.c
silead.c Input: silead - Switch to firmware_request_platform for retreiving the fw 2020-03-20 14:57:53 +01:00
sis_i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
st1232.c Input: st1232 - add support resolution reading 2020-11-11 17:54:12 -08:00
stmfts.c Input: stmfts - fix a & vs && typo 2020-09-16 10:38:58 -07:00
stmpe-ts.c Input: stmpe-ts - add description for 'prop' struct member 2021-01-19 19:03:18 -08:00
sun4i-ts.c Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register 2020-01-10 14:42:52 -08:00
sur40.c media: sur40: Remove uninitialized_var() usage 2020-07-16 12:32:26 -07:00
surface3_spi.c Input: surface3_spi - remove set but unused variable 'timestamp' 2021-01-19 19:03:16 -08:00
sx8654.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ti_am335x_tsc.c Input: ti_am335x_tsc - remove set but not used variable 'tscadc_dev' 2019-02-19 10:38:19 -08:00
touchit213.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
touchright.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
touchwin.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tps6507x-ts.c Input: tsc6507x-ts - switch to using polled mode of input devices 2019-10-29 17:13:41 -07:00
ts4800-ts.c Input: ts4800-ts - switch to using polled mode of input devices 2019-10-29 17:13:40 -07:00
tsc40.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 315 2019-06-05 17:37:05 +02:00
tsc200x-core.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tsc200x-core.h
tsc2004.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tsc2005.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tsc2007_core.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tsc2007_iio.c iio: remove explicit IIO device parent assignment 2020-06-14 11:49:59 +01:00
tsc2007.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ucb1400_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
usbtouchscreen.c Input: usbtouchscreen - actually check return value of usb_submit_urb() 2021-01-19 19:03:14 -08:00
wacom_i2c.c Input: wacom_i2c - remove unneeded gpio.h header file 2019-10-27 11:14:25 -07:00
wacom_w8001.c Input: wacom_w8001 - allocate additional space for 'phys' 2019-08-20 12:03:46 -07:00
wdt87xx_i2c.c Input: wdt87xx_i2c - replace mdelay() with msleep() in wdt87xx_resume() 2018-07-27 11:59:05 -07:00
wm97xx-core.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
wm831x-ts.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
wm9705.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
wm9712.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
wm9713.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
zet6223.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
zforce_ts.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
zinitix.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
zylonite-wm97xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00