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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: HungNien Chen <hn.chen@weidahitech.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
HungNien Chen 2016-09-05 10:25:36 -07:00 committed by Dmitry Torokhov
parent de56bea05b
commit 4e74823322
1 changed files with 3 additions and 2 deletions
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5
drivers/input/touchscreen/wdt87xx_i2c.c
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@ -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);