diff options
Diffstat (limited to 'drivers/auxdisplay')
| -rw-r--r-- | drivers/auxdisplay/charlcd.c | 17 | ||||
| -rw-r--r-- | drivers/auxdisplay/panel.c | 6 |
2 files changed, 9 insertions, 14 deletions
diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c index d58278ae9e4a..5aee0f546351 100644 --- a/drivers/auxdisplay/charlcd.c +++ b/drivers/auxdisplay/charlcd.c @@ -485,24 +485,19 @@ static inline int handle_lcd_special_code(struct charlcd *lcd) shift = 0; value = 0; while (*esc && cgoffset < 8) { + int half; + shift ^= 4; - if (*esc >= '0' && *esc <= '9') { - value |= (*esc - '0') << shift; - } else if (*esc >= 'A' && *esc <= 'F') { - value |= (*esc - 'A' + 10) << shift; - } else if (*esc >= 'a' && *esc <= 'f') { - value |= (*esc - 'a' + 10) << shift; - } else { - esc++; + + half = hex_to_bin(*esc++); + if (half < 0) continue; - } + value |= half << shift; if (shift == 0) { cgbytes[cgoffset++] = value; value = 0; } - - esc++; } lcd->ops->write_cmd(lcd, LCD_CMD_SET_CGRAM_ADDR | (cgaddr * 8)); diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 99980aa3644b..1c82d824ae00 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1365,7 +1365,7 @@ static void panel_process_inputs(void) break; input->rise_timer = 0; input->state = INPUT_ST_RISING; - /* fall through */ + fallthrough; case INPUT_ST_RISING: if ((phys_curr & input->mask) != input->value) { input->state = INPUT_ST_LOW; @@ -1378,11 +1378,11 @@ static void panel_process_inputs(void) } input->high_timer = 0; input->state = INPUT_ST_HIGH; - /* fall through */ + fallthrough; case INPUT_ST_HIGH: if (input_state_high(input)) break; - /* fall through */ + fallthrough; case INPUT_ST_FALLING: input_state_falling(input); } |