Merge "asoc: codecs: Avoid spi data transfer during suspend" (fb0d3c39) · Commits · e / devices / android_kernel_fairphone_FP4

asoc/codecs/wcd-spi.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -815,6 +815,15 @@ static int __wcd_spi_data_xfer(struct spi_device *spi,
		return -EINVAL;
		}

		WCD_SPI_MUTEX_LOCK(spi, wcd_spi->clk_mutex);
		if (wcd_spi_is_suspended(wcd_spi)) {
		dev_dbg(&spi->dev,
		"%s: SPI suspended, cannot perform transfer\n",
		__func__);
		ret = -EIO;
		goto done;
		}

		WCD_SPI_MUTEX_LOCK(spi, wcd_spi->xfer_mutex);
		if (msg->len == WCD_SPI_WORD_BYTE_CNT) {
		if (xfer_req == WCD_SPI_XFER_WRITE)
		@@ -827,7 +836,8 @@ static int __wcd_spi_data_xfer(struct spi_device *spi,
		ret = wcd_spi_transfer_split(spi, msg, xfer_req);
		}
		WCD_SPI_MUTEX_UNLOCK(spi, wcd_spi->xfer_mutex);

		done:
		WCD_SPI_MUTEX_UNLOCK(spi, wcd_spi->clk_mutex);
		return ret;
		}