diff options
Diffstat (limited to 'drivers/media/rc/ir-spi.c')
| -rw-r--r-- | drivers/media/rc/ir-spi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/media/rc/ir-spi.c b/drivers/media/rc/ir-spi.c index c8863f36686a..7e383b3fedd5 100644 --- a/drivers/media/rc/ir-spi.c +++ b/drivers/media/rc/ir-spi.c @@ -57,10 +57,13 @@ static int ir_spi_tx(struct rc_dev *dev, /* convert the pulse/space signal to raw binary signal */ for (i = 0; i < count; i++) { + unsigned int periods; int j; - u16 val = ((i + 1) % 2) ? idata->pulse : idata->space; + u16 val; - if (len + buffer[i] >= IR_SPI_MAX_BUFSIZE) + periods = DIV_ROUND_CLOSEST(buffer[i] * idata->freq, 1000000); + + if (len + periods >= IR_SPI_MAX_BUFSIZE) return -EINVAL; /* @@ -69,13 +72,13 @@ static int ir_spi_tx(struct rc_dev *dev, * contain a space duration. */ val = (i % 2) ? idata->space : idata->pulse; - for (j = 0; j < buffer[i]; j++) + for (j = 0; j < periods; j++) idata->tx_buf[len++] = val; } memset(&xfer, 0, sizeof(xfer)); - xfer.speed_hz = idata->freq; + xfer.speed_hz = idata->freq * 16; xfer.len = len * sizeof(*idata->tx_buf); xfer.tx_buf = idata->tx_buf; |