diff options
| -rw-r--r-- | drivers/gpu/drm/solomon/ssd130x.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index 73e5a39f7fa3..a95ab7e5bbf0 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -48,7 +48,7 @@ #define SSD130X_CONTRAST 0x81 #define SSD130X_SET_LOOKUP_TABLE 0x91 #define SSD130X_CHARGE_PUMP 0x8d -#define SSD130X_SEG_REMAP_ON 0xa1 +#define SSD130X_SET_SEG_REMAP 0xa0 #define SSD130X_DISPLAY_OFF 0xae #define SSD130X_SET_MULTIPLEX_RATIO 0xa8 #define SSD130X_DISPLAY_ON 0xaf @@ -61,6 +61,8 @@ #define SSD130X_SET_COM_PINS_CONFIG 0xda #define SSD130X_SET_VCOMH 0xdb +#define SSD130X_SET_SEG_REMAP_MASK GENMASK(0, 0) +#define SSD130X_SET_SEG_REMAP_SET(val) FIELD_PREP(SSD130X_SET_SEG_REMAP_MASK, (val)) #define SSD130X_SET_COM_SCAN_DIR_MASK GENMASK(3, 3) #define SSD130X_SET_COM_SCAN_DIR_SET(val) FIELD_PREP(SSD130X_SET_COM_SCAN_DIR_MASK, (val)) #define SSD130X_SET_CLOCK_DIV_MASK GENMASK(3, 0) @@ -235,7 +237,7 @@ static void ssd130x_power_off(struct ssd130x_device *ssd130x) static int ssd130x_init(struct ssd130x_device *ssd130x) { - u32 precharge, dclk, com_invdir, compins, chargepump; + u32 precharge, dclk, com_invdir, compins, chargepump, seg_remap; int ret; /* Set initial contrast */ @@ -244,11 +246,11 @@ static int ssd130x_init(struct ssd130x_device *ssd130x) return ret; /* Set segment re-map */ - if (ssd130x->seg_remap) { - ret = ssd130x_write_cmd(ssd130x, 1, SSD130X_SEG_REMAP_ON); - if (ret < 0) - return ret; - } + seg_remap = (SSD130X_SET_SEG_REMAP | + SSD130X_SET_SEG_REMAP_SET(ssd130x->seg_remap)); + ret = ssd130x_write_cmd(ssd130x, 1, seg_remap); + if (ret < 0) + return ret; /* Set COM direction */ com_invdir = (SSD130X_SET_COM_SCAN_DIR | |