diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c index 0587eac52f2a..3b1a2a3a44ea 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c @@ -11,6 +11,17 @@ #define DATA_MASK 0x100 +static int s6e63m0_spi_dcs_read(struct device *dev, const u8 cmd, u8 *data) +{ + /* + * FIXME: implement reading DCS commands over SPI so we can + * properly identify which physical panel is connected. + */ + *data = 0; + + return 0; +} + static int s6e63m0_spi_write_word(struct device *dev, u16 data) { struct spi_device *spi = to_spi_device(dev); @@ -60,7 +71,8 @@ static int s6e63m0_spi_probe(struct spi_device *spi) DRM_DEV_ERROR(dev, "spi setup failed.\n"); return ret; } - return s6e63m0_probe(dev, s6e63m0_spi_dcs_write, false); + return s6e63m0_probe(dev, s6e63m0_spi_dcs_read, s6e63m0_spi_dcs_write, + false); } static int s6e63m0_spi_remove(struct spi_device *spi) |