[ added dri-devel ML to Cc: ]
Hi,
Sorry for the delay.
On 5/13/20 8:48 PM, Rodrigo Alencar wrote:
From: Rodrigo Rolim Mendes de Alencar alencar.fmce@imbel.gov.br
This patch provides support for displays like VGM128064B0W10, which requires a column offset of 2, i.e., its segments starts in SEG2 and ends in SEG129.
Signed-off-by: Rodrigo Alencar 455.rodrigo.alencar@gmail.com
Please resend with "From:" & "Signed-off-by:" tags fixed to match so I can merge the patch.
Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics
Documentation/devicetree/bindings/display/ssd1307fb.txt | 1 + drivers/video/fbdev/ssd1307fb.c | 8 ++++++-- 2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/ssd1307fb.txt b/Documentation/devicetree/bindings/display/ssd1307fb.txt index 27333b9551b3..2dcb6d12d137 100644 --- a/Documentation/devicetree/bindings/display/ssd1307fb.txt +++ b/Documentation/devicetree/bindings/display/ssd1307fb.txt @@ -19,6 +19,7 @@ Optional properties:
- vbat-supply: The supply for VBAT
- solomon,segment-no-remap: Display needs normal (non-inverted) data column to segment mapping
- solomon,col-offset: Offset of columns (COL/SEG) that the screen is mapped to.
- solomon,com-seq: Display uses sequential COM pin configuration
- solomon,com-lrremap: Display uses left-right COM pin remap
- solomon,com-invdir: Display uses inverted COM pin scan direction
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 8e06ba912d60..102f941104c0 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -74,6 +74,7 @@ struct ssd1307fb_par { struct fb_info *info; u8 lookup_table[4]; u32 page_offset;
- u32 col_offset; u32 prechargep1; u32 prechargep2; struct pwm_device *pwm;
@@ -458,11 +459,11 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret;
- ret = ssd1307fb_write_cmd(par->client, 0x0);
- ret = ssd1307fb_write_cmd(par->client, par->col_offset); if (ret < 0) return ret;
- ret = ssd1307fb_write_cmd(par->client, par->width - 1);
- ret = ssd1307fb_write_cmd(par->client, par->col_offset + par->width - 1); if (ret < 0) return ret;
@@ -626,6 +627,9 @@ static int ssd1307fb_probe(struct i2c_client *client) if (device_property_read_u32(dev, "solomon,page-offset", &par->page_offset)) par->page_offset = 1;
- if (device_property_read_u32(dev, "solomon,col-offset", &par->col_offset))
par->col_offset = 0;- if (device_property_read_u32(dev, "solomon,com-offset", &par->com_offset)) par->com_offset = 0;