diff options
Diffstat (limited to 'src/mainboard/google/geralt/panel.c')
| -rw-r--r-- | src/mainboard/google/geralt/panel.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/panel.c b/src/mainboard/google/geralt/panel.c index 3174870050..78d4f84bbd 100644 --- a/src/mainboard/google/geralt/panel.c +++ b/src/mainboard/google/geralt/panel.c @@ -3,6 +3,7 @@ #include <boardid.h> #include <cbfs.h> #include <console/console.h> +#include <device/i2c_simple.h> #include <edid.h> #include <gpio.h> #include <soc/gpio_common.h> @@ -11,6 +12,21 @@ #include "gpio.h" #include "panel.h" +int panel_pmic_reg_mask(u32 bus, u8 chip, u8 addr, u8 val, u8 mask) +{ + u8 msg = 0; + + if (i2c_read_field(bus, chip, addr, &msg, 0xFF, 0) < 0) { + printk(BIOS_ERR, "Failed to read i2c: addr(%u)\n", addr); + return -1; + } + + msg &= ~mask; + msg |= val; + + return i2c_write_field(bus, chip, addr, msg, 0xFF, 0); +} + static void get_mipi_cmd_from_cbfs(struct panel_description *desc) { /* |