diff options
Diffstat (limited to 'drivers/staging/fbtft/fbtft-io.c')
| -rw-r--r-- | drivers/staging/fbtft/fbtft-io.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/staging/fbtft/fbtft-io.c b/drivers/staging/fbtft/fbtft-io.c index 0863d257d762..de1904a443c2 100644 --- a/drivers/staging/fbtft/fbtft-io.c +++ b/drivers/staging/fbtft/fbtft-io.c @@ -142,12 +142,12 @@ int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len) data = *(u8 *)buf; /* Start writing by pulling down /WR */ - gpiod_set_value(par->gpio.wr, 0); + gpiod_set_value(par->gpio.wr, 1); /* Set data */ #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO if (data == prev_data) { - gpiod_set_value(par->gpio.wr, 0); /* used as delay */ + gpiod_set_value(par->gpio.wr, 1); /* used as delay */ } else { for (i = 0; i < 8; i++) { if ((data & 1) != (prev_data & 1)) @@ -165,7 +165,7 @@ int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len) #endif /* Pullup /WR */ - gpiod_set_value(par->gpio.wr, 1); + gpiod_set_value(par->gpio.wr, 0); #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO prev_data = *(u8 *)buf; @@ -192,12 +192,12 @@ int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len) data = *(u16 *)buf; /* Start writing by pulling down /WR */ - gpiod_set_value(par->gpio.wr, 0); + gpiod_set_value(par->gpio.wr, 1); /* Set data */ #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO if (data == prev_data) { - gpiod_set_value(par->gpio.wr, 0); /* used as delay */ + gpiod_set_value(par->gpio.wr, 1); /* used as delay */ } else { for (i = 0; i < 16; i++) { if ((data & 1) != (prev_data & 1)) @@ -215,7 +215,7 @@ int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len) #endif /* Pullup /WR */ - gpiod_set_value(par->gpio.wr, 1); + gpiod_set_value(par->gpio.wr, 0); #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO prev_data = *(u16 *)buf; |