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| author |   HungNien Chen <hn.chen@weidahitech.com> | 2016-09-05 10:25:36 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-09-05 10:31:47 -0700 |
| commit | 4e7482332236d9f0c8f6df2e80fd73ad68363c35 (patch) | |
| tree | 6b273bd38077486022094f86f7983b1464737f0d /drivers | |
| parent | Input: gpio-keys-polled - don't use unit-address with button nodes (diff) | |
| download | linux-dev-4e7482332236d9f0c8f6df2e80fd73ad68363c35.tar.xz linux-dev-4e7482332236d9f0c8f6df2e80fd73ad68363c35.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/touchscreen/wdt87xx_i2c.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c b/drivers/input/touchscreen/wdt87xx_i2c.c index 73861ad22df4..a9132603ab34 100644 --- a/drivers/input/touchscreen/wdt87xx_i2c.c +++ b/drivers/input/touchscreen/wdt87xx_i2c.c @@ -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); |