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drm/sitronix/st7571-i2c: Add an indirection level to parse DT

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Other Sitronix display controllers might need a different parsing DT
logic, so lets add a .parse_dt callback to struct st7571_panel_data.

Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20250715110411.448343-4-javierm@redhat.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas 2025-07-15 13:03:52 +02:00
parent 720799d946
commit d9ace6d550
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GPG Key ID: C751E590D63F3D69
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/sitronix/st7571-i2c.c
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@ -92,6 +92,7 @@ struct st7571_panel_constraints {
struct st7571_panel_data {
int (*init)(struct st7571_device *st7571);
int (*parse_dt)(struct st7571_device *st7571);
struct st7571_panel_constraints constraints;
};
@ -881,7 +882,7 @@ static int st7571_probe(struct i2c_client *client)
i2c_set_clientdata(client, st7571);
st7571->pdata = device_get_match_data(&client->dev);
ret = st7571_parse_dt(st7571);
ret = st7571->pdata->parse_dt(st7571);
if (ret)
return ret;
@ -964,6 +965,7 @@ static void st7571_remove(struct i2c_client *client)
struct st7571_panel_data st7571_config = {
.init = st7571_lcd_init,
.parse_dt = st7571_parse_dt,
.constraints = {
.min_nlines = 1,
.max_nlines = 128,