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Input: s3c24xx_ts - Implement generic GPIO configuration callback 

This patch implements generic GPIO configuration function in Samsung
touchscreen driver. And makes the touchscreen driver s3c24xx-ts.c
generic to all the Samsung SoCs.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: fixed title ]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Naveen Krishna 2010-05-18 20:44:38 +09:00 committed by Ben Dooks
parent 2b6c02abca
commit 658ad39ea9
1 changed files with 3 additions and 20 deletions
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23
drivers/input/touchscreen/s3c2410_ts.c
View File

@ -39,8 +39,6 @@
#include <plat/regs-adc.h>
#include <plat/ts.h>
#include <mach/regs-gpio.h>
#define TSC_SLEEP (S3C2410_ADCTSC_PULL_UP_DISABLE | S3C2410_ADCTSC_XY_PST(0))
#define INT_DOWN (0)
@ -87,21 +85,6 @@ struct s3c2410ts {
static struct s3c2410ts ts;
/**
* s3c2410_ts_connect - configure gpio for s3c2410 systems
*
* Configure the GPIO for the S3C2410 system, where we have external FETs
* connected to the device (later systems such as the S3C2440 integrate
* these into the device).
*/
static inline void s3c2410_ts_connect(void)
{
s3c2410_gpio_cfgpin(S3C2410_GPG(12), S3C2410_GPG12_XMON);
s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPG13_nXPON);
s3c2410_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPG14_YMON);
s3c2410_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPG15_nYPON);
}
/**
* get_down - return the down state of the pen
* @data0: The data read from ADCDAT0 register.
@ -296,9 +279,9 @@ static int __devinit s3c2410ts_probe(struct platform_device *pdev)
goto err_clk;
}
/* Configure the touchscreen external FETs on the S3C2410 */
if (!platform_get_device_id(pdev)->driver_data)
s3c2410_ts_connect();
/* inititalise the gpio */
if (info->cfg_gpio)
info->cfg_gpio(to_platform_device(ts.dev));
ts.client = s3c_adc_register(pdev, s3c24xx_ts_select,
s3c24xx_ts_conversion, 1);