Merge tag 'asoc-v5.17' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.17

Not much going on framework release this time, but a big update for
drivers especially the Intel and SOF ones.

 - Refinements and cleanups around the delay() APIs.
 - Wider use of dev_err_probe().
 - Continuing cleanups and improvements to the SOF code.
 - Support for pin switches in simple-card derived cards.
 - Support for AMD Renoir ACP, Asahi Kasei Microdevices AKM4375, Intel
   systems using NAU8825 and MAX98390, Mediatek MT8915, nVidia Tegra20
   S/PDIF, Qualcomm systems using ALC5682I-VS and Texas Instruments
   TLV320ADC3xxx.

2 files changed, 19 insertions, 3 deletions

diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 1fc2fa077574..af6f717e1e7e 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -91,8 +91,8 @@ EXPORT_SYMBOL_GPL(snd_hwparams_to_dma_slave_config);
  * @dma_data: DAI DMA data
  * @slave_config: DMA slave configuration
  *
- * Initializes the {dst,src}_addr, {dst,src}_maxburst, {dst,src}_addr_width and
- * slave_id fields of the DMA slave config from the same fields of the DAI DMA
+ * Initializes the {dst,src}_addr, {dst,src}_maxburst, {dst,src}_addr_width
+ * fields of the DMA slave config from the same fields of the DAI DMA
  * data struct. The src and dst fields will be initialized depending on the
  * direction of the substream. If the substream is a playback stream the dst
  * fields will be initialized, if it is a capture stream the src fields will be
@@ -124,7 +124,6 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
 			slave_config->src_addr_width = dma_data->addr_width;
 	}
 
-	slave_config->slave_id = dma_data->slave_id;
 	slave_config->peripheral_config = dma_data->peripheral_config;
 	slave_config->peripheral_size = dma_data->peripheral_size;
 }
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 4f4b4739f987..f2090025236b 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -2128,11 +2128,28 @@ int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream,
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_uframes_t old_appl_ptr = runtime->control->appl_ptr;
+	snd_pcm_sframes_t diff;
 	int ret;
 
 	if (old_appl_ptr == appl_ptr)
 		return 0;
 
+	if (appl_ptr >= runtime->boundary)
+		return -EINVAL;
+	/*
+	 * check if a rewind is requested by the application
+	 */
+	if (substream->runtime->info & SNDRV_PCM_INFO_NO_REWINDS) {
+		diff = appl_ptr - old_appl_ptr;
+		if (diff >= 0) {
+			if (diff > runtime->buffer_size)
+				return -EINVAL;
+		} else {
+			if (runtime->boundary + diff > runtime->buffer_size)
+				return -EINVAL;
+		}
+	}
+
 	runtime->control->appl_ptr = appl_ptr;
 	if (substream->ops->ack) {
 		ret = substream->ops->ack(substream);