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Date: Tue, 08 Mar 2016 09:48:04 -0800
From: Stefan Agner <stefan@...er.ch>
To: dmitry.torokhov@...il.com, michael.hennerich@...log.com,
robh+dt@...nel.org
Cc: 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
Hi Dimitry,
Any chance this patchset makes it into 4.6?
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;
> -};
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