Fabrice Gasnier d66ffb91c3 pwm: stm32: Improve capture by tuning counter prescaler ... Currently, capture is based on timeout window to configure prescaler. PWM capture framework provides 1s window at the time of writing. There's place for improvement, after input signal has been captured once: - Finer tune counter clock prescaler, by using 1st capture result (with arbitrary margin). - Do a 2nd capture, with scaled capture window. This increases accuracy, especially at high rates. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>		2018-05-16 09:11:13 +01:00
..
core.c	pwm: Silently error out on EPROBE_DEFER	2017-07-06 08:29:16 +02:00
Kconfig	pwm: Changes for v4.17-rc1	2018-04-13 15:46:21 -07:00
Makefile	pwm: remove pwm-bfin driver	2018-03-26 15:57:08 +02:00
pwm-ab8500.c
pwm-atmel-hlcdc.c	pwm: atmel-hlcdc: Implement the suspend/resume hooks	2017-04-06 17:45:02 +02:00
pwm-atmel-tcb.c	pwm: atmel-tcb: Delete an error message for a failed memory allocation	2018-03-27 23:28:53 +02:00
pwm-atmel.c	pwm: atmel: Enable PWM on sama5d2	2017-04-06 17:45:03 +02:00
pwm-bcm-iproc.c
pwm-bcm-kona.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-bcm2835.c	pwm: bcm2835: Support for polarity setting via DT	2017-08-21 07:27:58 +02:00
pwm-berlin.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-brcmstb.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-clps711x.c
pwm-crc.c
pwm-cros-ec.c	pwm: cros-ec: Fix transposed param settings	2017-07-06 17:16:37 +02:00
pwm-ep93xx.c
pwm-fsl-ftm.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-hibvt.c	pwm: hibvt: Explicitly request exclusive reset control	2017-08-21 08:52:40 +02:00
pwm-img.c	pwm: img: Add runtime PM	2017-11-15 10:38:37 +01:00
pwm-imx.c	pwm: imx: Let PWM be active during suspend	2018-03-28 00:17:36 +02:00
pwm-jz4740.c	pwm: jz4740: Add support for devicetree	2018-03-28 00:23:56 +02:00
pwm-lp3943.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-lpc18xx-sct.c	pwm: lpc-18xx: use pwm_set_chip_data	2016-09-08 10:55:05 +02:00
pwm-lpc32xx.c
pwm-lpss-pci.c	pwm: lpss: Set enable-bit before waiting for update-bit to go low	2017-04-06 14:48:14 +02:00
pwm-lpss-platform.c	pwm: lpss: Set enable-bit before waiting for update-bit to go low	2017-04-06 14:48:14 +02:00
pwm-lpss.c	pwm: lpss: Set enable-bit before waiting for update-bit to go low	2017-04-06 14:48:14 +02:00
pwm-lpss.h	pwm: lpss: Set enable-bit before waiting for update-bit to go low	2017-04-06 14:48:14 +02:00
pwm-mediatek.c	pwm: mediatek: Improve precision in rate calculation	2018-03-28 00:32:25 +02:00
pwm-meson.c	pwm: meson: Add clock source configuration for Meson-AXG	2017-12-05 09:51:36 +01:00
pwm-mtk-disp.c	pwm: Add MediaTek MT2701 display PWM driver support	2016-09-06 10:48:53 +02:00
pwm-mxs.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-omap-dmtimer.c	pwm: pwm-omap-dmtimer: Adapt driver to utilize dmtimer pdata ops	2018-02-22 10:54:24 -08:00
pwm-pca9685.c	pwm: pca9685: clarify pca9685_set_sleep_mode() interface.	2017-07-25 13:41:59 +02:00
pwm-puv3.c	pwm: puv3: Delete an error message for a failed memory allocation	2018-03-27 23:27:05 +02:00
pwm-pxa.c	pwm: constify pwm_ops structures	2017-01-19 00:38:17 +01:00
pwm-rcar.c	pwm: rcar: Add suspend/resume support	2018-03-28 01:27:10 +02:00
pwm-renesas-tpu.c	pwm: renesas-tpu: Remove support for SH7372	2017-08-18 17:27:14 +02:00
pwm-rockchip.c	pwm: rockchip: Add rk3328 support	2017-08-18 17:44:34 +02:00
pwm-samsung.c	pwm: pwm-samsung: fix suspend/resume support	2017-08-21 10:39:12 +02:00
pwm-spear.c
pwm-sti.c	pwm: Remove .can_sleep from struct pwm_chip	2017-01-04 09:40:54 +01:00
pwm-stm32-lp.c	pwm: stm32: LPTimer: Use 3 cells ->of_xlate()	2018-03-28 00:54:56 +02:00
pwm-stm32.c	pwm: stm32: Improve capture by tuning counter prescaler	2018-05-16 09:11:13 +01:00
pwm-stmpe.c	pwm: stmpe: Fix wrong register offset for hwpwm=2 case	2017-12-05 09:33:05 +01:00
pwm-sun4i.c	pwm: sun4i: Simplify controller mapping	2018-03-28 01:12:12 +02:00
pwm-tegra.c	pwm: tegra: Explicitly request exclusive reset control	2017-08-21 08:53:07 +02:00
pwm-tiecap.c	pwm: tiecap: Set driver data before runtime PM enable	2017-08-21 08:31:37 +02:00
pwm-tiehrpwm.c	pwm: tiehrpwm: Set driver data before runtime PM enable	2017-08-21 08:42:56 +02:00
pwm-tipwmss.c	pwm: pwm-tipwmss: Remove all runtime PM gets/puts	2016-09-06 10:48:54 +02:00
pwm-twl-led.c	mfd: twl: Move header file out of I2C realm	2017-09-04 14:41:02 +01:00
pwm-twl.c	mfd: twl: Move header file out of I2C realm	2017-09-04 14:41:02 +01:00
pwm-vt8500.c	pwm: vt8500: Undo preparation of a clock source.	2017-07-25 13:43:28 +02:00
pwm-zx.c	pwm: Add ZTE ZX PWM device driver	2017-08-21 08:11:24 +02:00
sysfs.c	pwm: sysfs: Use put_device() instead of kfree()	2018-03-28 01:18:53 +02:00