diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2020-08-09 23:51:03 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-09-05 01:24:26 +0200 |
| commit | 91867ac7d6724c31f32c3a63e2bb5db978893eaf (patch) | |
| tree | fe74aa328935fcca5446aa09f28416a935f63f75 /drivers/gpu/drm/panel/panel-samsung-s6e63m0.h | |
| parent | 435e06c06cb2e3bd2f650a52641ddb13a95a1624 (diff) | |
drm/panel: s6e63m0: Add reading functionality
This adds code to send read commands to read a single
byte from the display, in order to perform MTP ID
look-up of the mounted panel on the s6e63m0 controller.
This is needed for proper biasing on the DSI variants.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200809215104.1830206-4-linus.walleij@linaro.org
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-s6e63m0.h')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-s6e63m0.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.h b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.h index 229e23b0c97a..c669fec91763 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.h +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.h @@ -4,6 +4,7 @@ #define _PANEL_SAMSUNG_S6E63M0_H int s6e63m0_probe(struct device *dev, + int (*dcs_read)(struct device *dev, const u8 cmd, u8 *val), int (*dcs_write)(struct device *dev, const u8 *data, size_t len), bool dsi_mode); |