Commit 5e7fe820 authored by Dmitry Torokhov's avatar Dmitry Torokhov

Merge branch 'for-linus' into next

Bring in changes to ads7846 to avoid mereg conflicts.
parents 037db524 0a0d6285
...@@ -64,6 +64,13 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, ...@@ -64,6 +64,13 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
struct spi_board_info *spi_bi = &ads7846_spi_board_info; struct spi_board_info *spi_bi = &ads7846_spi_board_info;
int err; int err;
/*
* If a board defines get_pendown_state() function, request the pendown
* GPIO and set the GPIO debounce time.
* If a board does not define the get_pendown_state() function, then
* the ads7846 driver will setup the pendown GPIO itself.
*/
if (board_pdata && board_pdata->get_pendown_state) {
err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown"); err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
if (err) { if (err) {
pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err); pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
...@@ -73,21 +80,20 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, ...@@ -73,21 +80,20 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
if (gpio_debounce) if (gpio_debounce)
gpio_set_debounce(gpio_pendown, gpio_debounce); gpio_set_debounce(gpio_pendown, gpio_debounce);
gpio_export(gpio_pendown, 0);
}
spi_bi->bus_num = bus_num; spi_bi->bus_num = bus_num;
spi_bi->irq = gpio_to_irq(gpio_pendown); spi_bi->irq = gpio_to_irq(gpio_pendown);
ads7846_config.gpio_pendown = gpio_pendown;
if (board_pdata) { if (board_pdata) {
board_pdata->gpio_pendown = gpio_pendown; board_pdata->gpio_pendown = gpio_pendown;
board_pdata->gpio_pendown_debounce = gpio_debounce;
spi_bi->platform_data = board_pdata; spi_bi->platform_data = board_pdata;
if (board_pdata->get_pendown_state)
gpio_export(gpio_pendown, 0);
} else {
ads7846_config.gpio_pendown = gpio_pendown;
} }
if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
gpio_free(gpio_pendown);
spi_register_board_info(&ads7846_spi_board_info, 1); spi_register_board_info(&ads7846_spi_board_info, 1);
} }
#else #else
......
...@@ -26,10 +26,14 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src) ...@@ -26,10 +26,14 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src)
* input_mt_init_slots() - initialize MT input slots * input_mt_init_slots() - initialize MT input slots
* @dev: input device supporting MT events and finger tracking * @dev: input device supporting MT events and finger tracking
* @num_slots: number of slots used by the device * @num_slots: number of slots used by the device
* @flags: mt tasks to handle in core
* *
* This function allocates all necessary memory for MT slot handling * This function allocates all necessary memory for MT slot handling
* in the input device, prepares the ABS_MT_SLOT and * in the input device, prepares the ABS_MT_SLOT and
* ABS_MT_TRACKING_ID events for use and sets up appropriate buffers. * ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
* Depending on the flags set, it also performs pointer emulation and
* frame synchronization.
*
* May be called repeatedly. Returns -EINVAL if attempting to * May be called repeatedly. Returns -EINVAL if attempting to
* reinitialize with a different number of slots. * reinitialize with a different number of slots.
*/ */
......
...@@ -12,8 +12,8 @@ ...@@ -12,8 +12,8 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MOUSEDEV_MINOR_BASE 32 #define MOUSEDEV_MINOR_BASE 32
#define MOUSEDEV_MINORS 32 #define MOUSEDEV_MINORS 31
#define MOUSEDEV_MIX 31 #define MOUSEDEV_MIX 63
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/slab.h> #include <linux/slab.h>
......
...@@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev) ...@@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume); static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume);
static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts) static int __devinit ads7846_setup_pendown(struct spi_device *spi,
struct ads7846 *ts)
{ {
struct ads7846_platform_data *pdata = spi->dev.platform_data; struct ads7846_platform_data *pdata = spi->dev.platform_data;
int err; int err;
...@@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 ...@@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784
ts->gpio_pendown = pdata->gpio_pendown; ts->gpio_pendown = pdata->gpio_pendown;
if (pdata->gpio_pendown_debounce)
gpio_set_debounce(pdata->gpio_pendown,
pdata->gpio_pendown_debounce);
} else { } else {
dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
return -EINVAL; return -EINVAL;
......
...@@ -46,8 +46,9 @@ struct ads7846_platform_data { ...@@ -46,8 +46,9 @@ struct ads7846_platform_data {
u16 debounce_rep; /* additional consecutive good readings u16 debounce_rep; /* additional consecutive good readings
* required after the first two */ * required after the first two */
int gpio_pendown; /* the GPIO used to decide the pendown int gpio_pendown; /* the GPIO used to decide the pendown
* state if get_pendown_state == NULL * state if get_pendown_state == NULL */
*/ int gpio_pendown_debounce; /* platform specific debounce time for
* the gpio_pendown */
int (*get_pendown_state)(void); int (*get_pendown_state)(void);
int (*filter_init) (const struct ads7846_platform_data *pdata, int (*filter_init) (const struct ads7846_platform_data *pdata,
void **filter_data); void **filter_data);
......
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