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Message-ID: <20160308184855.GA24317@dtor-ws>
Date: Tue, 8 Mar 2016 10:48:55 -0800
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Stefan Agner <stefan@...er.ch>
Cc: michael.hennerich@...log.com, robh+dt@...nel.org,
mark.rutland@....com, ijc+devicetree@...lion.org.uk,
galak@...eaurora.org, realmz6@...il.com, broonie@...nel.org,
jic23@...nel.org, linux-input@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] input: touchscreen: ad7879: move header to
platform_data directory
On Tue, Mar 08, 2016 at 09:48:04AM -0800, Stefan Agner wrote:
> Hi Dimitry,
>
> Any chance this patchset makes it into 4.6?
>
Applied all 3, thank you.
> Best regards,
> Stefan
>
> On 2016-02-02 15:20, Stefan Agner wrote:
> > The header file is used by the SPI and I2C variant of the driver.
> > Therefore, move it to a more generic place under platform_data.
> >
> > Signed-off-by: Stefan Agner <stefan@...er.ch>
> > ---
> > Changes since v2:
> > - (none)
> > Changes since v1:
> > - Move to include/linux/platform_data/
> >
> > arch/blackfin/mach-bf527/boards/ezbrd.c | 2 +-
> > arch/blackfin/mach-bf527/boards/ezkit.c | 2 +-
> > arch/blackfin/mach-bf527/boards/tll6527m.c | 2 +-
> > arch/blackfin/mach-bf537/boards/stamp.c | 2 +-
> > arch/blackfin/mach-bf538/boards/ezkit.c | 2 +-
> > drivers/input/touchscreen/ad7879.c | 10 ++++----
> > include/linux/platform_data/ad7879.h | 41 ++++++++++++++++++++++++++++++
> > include/linux/spi/ad7879.h | 41 ------------------------------
> > 8 files changed, 51 insertions(+), 51 deletions(-)
> > create mode 100644 include/linux/platform_data/ad7879.h
> > delete mode 100644 include/linux/spi/ad7879.h
> >
> > diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c
> > b/arch/blackfin/mach-bf527/boards/ezbrd.c
> > index a3a5723..80bcfd1 100644
> > --- a/arch/blackfin/mach-bf527/boards/ezbrd.c
> > +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
> > @@ -279,7 +279,7 @@ static const struct ad7877_platform_data
> > bfin_ad7877_ts_info = {
> > #endif
> >
> > #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > static const struct ad7879_platform_data bfin_ad7879_ts_info = {
> > .model = 7879, /* Model = AD7879 */
> > .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
> > diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c
> > b/arch/blackfin/mach-bf527/boards/ezkit.c
> > index d4219e8..571edfd 100644
> > --- a/arch/blackfin/mach-bf527/boards/ezkit.c
> > +++ b/arch/blackfin/mach-bf527/boards/ezkit.c
> > @@ -477,7 +477,7 @@ static const struct ad7877_platform_data
> > bfin_ad7877_ts_info = {
> > #endif
> >
> > #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > static const struct ad7879_platform_data bfin_ad7879_ts_info = {
> > .model = 7879, /* Model = AD7879 */
> > .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
> > diff --git a/arch/blackfin/mach-bf527/boards/tll6527m.c
> > b/arch/blackfin/mach-bf527/boards/tll6527m.c
> > index a0f5856..c1acce4 100644
> > --- a/arch/blackfin/mach-bf527/boards/tll6527m.c
> > +++ b/arch/blackfin/mach-bf527/boards/tll6527m.c
> > @@ -29,7 +29,7 @@
> > #include <asm/dpmc.h>
> >
> > #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > #define LCD_BACKLIGHT_GPIO 0x40
> > /* TLL6527M uses TLL7UIQ35 / ADI LCD EZ Extender. AD7879 AUX GPIO is used for
> > * LCD Backlight Enable
> > diff --git a/arch/blackfin/mach-bf537/boards/stamp.c
> > b/arch/blackfin/mach-bf537/boards/stamp.c
> > index c181543..eaec7b4 100644
> > --- a/arch/blackfin/mach-bf537/boards/stamp.c
> > +++ b/arch/blackfin/mach-bf537/boards/stamp.c
> > @@ -776,7 +776,7 @@ static const struct ad7877_platform_data
> > bfin_ad7877_ts_info = {
> > #endif
> >
> > #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > static const struct ad7879_platform_data bfin_ad7879_ts_info = {
> > .model = 7879, /* Model = AD7879 */
> > .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
> > diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c
> > b/arch/blackfin/mach-bf538/boards/ezkit.c
> > index ae2fcbb..4a03c44 100644
> > --- a/arch/blackfin/mach-bf538/boards/ezkit.c
> > +++ b/arch/blackfin/mach-bf538/boards/ezkit.c
> > @@ -521,7 +521,7 @@ static struct bfin5xx_spi_chip spi_flash_chip_info = {
> > #endif /* CONFIG_SPI_BFIN5XX */
> >
> > #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > static const struct ad7879_platform_data bfin_ad7879_ts_info = {
> > .model = 7879, /* Model = AD7879 */
> > .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
> > diff --git a/drivers/input/touchscreen/ad7879.c
> > b/drivers/input/touchscreen/ad7879.c
> > index 16b5cc2..93b8ea2 100644
> > --- a/drivers/input/touchscreen/ad7879.c
> > +++ b/drivers/input/touchscreen/ad7879.c
> > @@ -31,7 +31,7 @@
> > #include <linux/i2c.h>
> > #include <linux/gpio.h>
> >
> > -#include <linux/spi/ad7879.h>
> > +#include <linux/platform_data/ad7879.h>
> > #include <linux/module.h>
> > #include "ad7879.h"
> >
> > @@ -170,10 +170,10 @@ static int ad7879_report(struct ad7879 *ts)
> > * filter. The combination of these two techniques provides a robust
> > * solution, discarding the spurious noise in the signal and keeping
> > * only the data of interest. The size of both filters is
> > - * programmable. (dev.platform_data, see linux/spi/ad7879.h) Other
> > - * user-programmable conversion controls include variable acquisition
> > - * time, and first conversion delay. Up to 16 averages can be taken
> > - * per conversion.
> > + * programmable. (dev.platform_data, see linux/platform_data/ad7879.h)
> > + * Other user-programmable conversion controls include variable
> > + * acquisition time, and first conversion delay. Up to 16 averages can
> > + * be taken per conversion.
> > */
> >
> > if (likely(x && z1)) {
> > diff --git a/include/linux/platform_data/ad7879.h
> > b/include/linux/platform_data/ad7879.h
> > new file mode 100644
> > index 0000000..69e2e1fd
> > --- /dev/null
> > +++ b/include/linux/platform_data/ad7879.h
> > @@ -0,0 +1,41 @@
> > +/* linux/platform_data/ad7879.h */
> > +
> > +/* Touchscreen characteristics vary between boards and models. The
> > + * platform_data for the device's "struct device" holds this information.
> > + *
> > + * It's OK if the min/max values are zero.
> > + */
> > +struct ad7879_platform_data {
> > + u16 model; /* 7879 */
> > + u16 x_plate_ohms;
> > + u16 x_min, x_max;
> > + u16 y_min, y_max;
> > + u16 pressure_min, pressure_max;
> > +
> > + bool swap_xy; /* swap x and y axes */
> > +
> > + /* [0..255] 0=OFF Starts at 1=550us and goes
> > + * all the way to 9.440ms in steps of 35us.
> > + */
> > + u8 pen_down_acc_interval;
> > + /* [0..15] Starts at 0=128us and goes all the
> > + * way to 4.096ms in steps of 128us.
> > + */
> > + u8 first_conversion_delay;
> > + /* [0..3] 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
> > + u8 acquisition_time;
> > + /* [0..3] Average X middle samples 0 = 2, 1 = 4, 2 = 8, 3 = 16 */
> > + u8 averaging;
> > + /* [0..3] Perform X measurements 0 = OFF,
> > + * 1 = 4, 2 = 8, 3 = 16 (median > averaging)
> > + */
> > + u8 median;
> > + /* 1 = AUX/VBAT/GPIO export GPIO to gpiolib
> > + * requires CONFIG_GPIOLIB
> > + */
> > + bool gpio_export;
> > + /* identifies the first GPIO number handled by this chip;
> > + * or, if negative, requests dynamic ID allocation.
> > + */
> > + s32 gpio_base;
> > +};
> > diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
> > deleted file mode 100644
> > index 58368be..0000000
> > --- a/include/linux/spi/ad7879.h
> > +++ /dev/null
> > @@ -1,41 +0,0 @@
> > -/* linux/spi/ad7879.h */
> > -
> > -/* Touchscreen characteristics vary between boards and models. The
> > - * platform_data for the device's "struct device" holds this information.
> > - *
> > - * It's OK if the min/max values are zero.
> > - */
> > -struct ad7879_platform_data {
> > - u16 model; /* 7879 */
> > - u16 x_plate_ohms;
> > - u16 x_min, x_max;
> > - u16 y_min, y_max;
> > - u16 pressure_min, pressure_max;
> > -
> > - bool swap_xy; /* swap x and y axes */
> > -
> > - /* [0..255] 0=OFF Starts at 1=550us and goes
> > - * all the way to 9.440ms in steps of 35us.
> > - */
> > - u8 pen_down_acc_interval;
> > - /* [0..15] Starts at 0=128us and goes all the
> > - * way to 4.096ms in steps of 128us.
> > - */
> > - u8 first_conversion_delay;
> > - /* [0..3] 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
> > - u8 acquisition_time;
> > - /* [0..3] Average X middle samples 0 = 2, 1 = 4, 2 = 8, 3 = 16 */
> > - u8 averaging;
> > - /* [0..3] Perform X measurements 0 = OFF,
> > - * 1 = 4, 2 = 8, 3 = 16 (median > averaging)
> > - */
> > - u8 median;
> > - /* 1 = AUX/VBAT/GPIO export GPIO to gpiolib
> > - * requires CONFIG_GPIOLIB
> > - */
> > - bool gpio_export;
> > - /* identifies the first GPIO number handled by this chip;
> > - * or, if negative, requests dynamic ID allocation.
> > - */
> > - s32 gpio_base;
> > -};
--
Dmitry
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