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Commit 4e748233 authored by HungNien Chen's avatar HungNien Chen Committed by Dmitry Torokhov
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Input: wdt87xx_i2c - fix the flash erase issue 



The spec says that flash erase time is 30ms typical/200ms max, so let's
replace current 50ms wait with 200ms to avoid potential failures.

Signed-off-by: default avatarHungNien Chen <hn.chen@weidahitech.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent de56bea0

drivers/input/touchscreen/wdt87xx_i2c.c

+3 −2
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
#include <asm/unaligned.h>



#define WDT87XX_NAME		"wdt87xx_i2c"

#define WDT87XX_DRV_VER		"0.9.7"

#define WDT87XX_DRV_VER		"0.9.8"

#define WDT87XX_FW_NAME		"wdt87xx_fw.bin"

#define WDT87XX_CFG_NAME	"wdt87xx_cfg.bin"
@@ -157,6 +157,7 @@ 
/* Controller requires minimum 300us between commands */

#define WDT_COMMAND_DELAY_MS		2

#define WDT_FLASH_WRITE_DELAY_MS	4

#define WDT_FLASH_ERASE_DELAY_MS	200

#define WDT_FW_RESET_TIME		2500



struct wdt87xx_sys_param {
@@ -726,7 +727,7 @@ static int wdt87xx_write_firmware(struct i2c_client *client, const void *chunk) 
				break;

			}



			msleep(50);

			msleep(WDT_FLASH_ERASE_DELAY_MS);



			error = wdt87xx_write_data(client, data, start_addr,

						   page_size);