diff options
Diffstat (limited to 'driver/led/aw20198.c')
| -rw-r--r-- | driver/led/aw20198.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/driver/led/aw20198.c b/driver/led/aw20198.c index f307ae4a02..1322c08a09 100644 --- a/driver/led/aw20198.c +++ b/driver/led/aw20198.c @@ -107,13 +107,13 @@ static int aw20198_set_color(struct rgbkbd *ctx, uint8_t offset, buf, frame_len, NULL, 0); } -static int aw20198_set_scale(struct rgbkbd *ctx, uint8_t offset, uint8_t scale, - uint8_t len) +static int aw20198_set_scale(struct rgbkbd *ctx, uint8_t offset, + struct rgb_s scale, uint8_t len) { uint8_t buf[sizeof(offset) + BUF_SIZE]; const int frame_len = len * SIZE_OF_RGB + sizeof(offset); const int frame_offset = offset * SIZE_OF_RGB; - int rv; + int i, rv; if (frame_offset + frame_len > sizeof(buf)) { return EC_ERROR_OVERFLOW; @@ -124,8 +124,12 @@ static int aw20198_set_scale(struct rgbkbd *ctx, uint8_t offset, uint8_t scale, return rv; } - buf[0] = offset * SIZE_OF_RGB; - memset(&buf[1], scale, len * SIZE_OF_RGB); + buf[0] = frame_offset; + for (i = 0; i < len; i++) { + buf[i * SIZE_OF_RGB + 1] = scale.r; + buf[i * SIZE_OF_RGB + 2] = scale.g; + buf[i * SIZE_OF_RGB + 3] = scale.b; + } return i2c_xfer(ctx->cfg->i2c, AW20198_I2C_ADDR_FLAG, buf, frame_len, NULL, 0); @@ -138,18 +142,28 @@ static int aw20198_set_gcc(struct rgbkbd *ctx, uint8_t level) static int aw20198_init(struct rgbkbd *ctx) { - uint8_t id; + uint8_t u8; int rv; rv = aw20198_reset(ctx); msleep(3); /* Read chip ID, assuming page is still 0. */ - rv = aw20198_read(ctx, AW20198_REG_RSTN, &id); + rv = aw20198_read(ctx, AW20198_REG_RSTN, &u8); if (rv) { return rv; } - CPRINTS("ID=0x%02x", id); + CPRINTS("ID=0x%02x", u8); + + /* Modify SWSEL bit4-7 to match the LED layout */ + rv = aw20198_get_config(ctx, AW20198_REG_GCR, &u8); + if (rv) { + return rv; + } + u8 &= ~AW20198_REG_GCR_SWSEL_MASK; + u8 |= ((ctx->cfg->col_len - 1) << AW20198_REG_GCR_SWSEL_SHIFT); + rv = aw20198_write(ctx, AW20198_REG_GCR, u8); + CPRINTS("GCR=0x%02x", u8); return rv; } |