ASoC: mchp-spdifrx: fix return value in case completion times out

wait_for_completion_interruptible_timeout() returns 0 in case of
timeout. Check this into account when returning from function.

Fixes: ef265c55c1 ("ASoC: mchp-spdifrx: add driver for SPDIF RX")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230130120647.638049-3-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Claudiu Beznea 2023-01-30 14:06:41 +02:00 committed by Mark Brown
parent fa09fa6038
commit a4c4161d6e
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@ -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);