wait_for_completion_interruptible_timeout() returns 0 in case of
timeout. Check this into account when returning from function.
Fixes: ef265c55c1ac ("ASoC: mchp-spdifrx: add driver for SPDIF RX")
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
sound/soc/atmel/mchp-spdifrx.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/atmel/mchp-spdifrx.c b/sound/soc/atmel/mchp-spdifrx.c
index 2d86e0ec930f..7f359371b31b 100644
--- a/sound/soc/atmel/mchp-spdifrx.c
+++ b/sound/soc/atmel/mchp-spdifrx.c
@@ -524,9 +524,10 @@ static int mchp_spdifrx_cs_get(struct mchp_spdifrx_dev *dev,
ret = wait_for_completion_interruptible_timeout(&ch_stat->done,
msecs_to_jiffies(100));
/* IP might not be started or valid stream might not be present */
- if (ret < 0) {
+ if (ret <= 0) {
dev_dbg(dev->dev, "channel status for channel %d timeout\n",
channel);
+ return ret ? : -ETIMEDOUT;
}
memcpy(uvalue->value.iec958.status, ch_stat->data,
@@ -580,7 +581,7 @@ static int mchp_spdifrx_subcode_ch_get(struct mchp_spdifrx_dev *dev,
dev_dbg(dev->dev, "user data for channel %d timeout\n",
channel);
mchp_spdifrx_isr_blockend_dis(dev);
- return ret;
+ return ret ? : -ETIMEDOUT;
}
spin_lock_irqsave(&user_data->lock, flags);
--
2.34.1
