diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index a8fcaa6d531f..ea5791583fed 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -38,7 +38,7 @@ void *snd_dmaengine_pcm_get_data(struct snd_pcm_substream *substream); int snd_hwparams_to_dma_slave_config(const struct snd_pcm_substream *substream, const struct snd_pcm_hw_params *params, struct dma_slave_config *slave_config); int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd); -snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream); +snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream *substream); int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream, dma_filter_fn filter_fn, void *filter_data); diff --git a/sound/soc/ep93xx/ep93xx-pcm.c b/sound/soc/ep93xx/ep93xx-pcm.c index 162dbb74f4cc..4eea98b42bc8 100644 --- a/sound/soc/ep93xx/ep93xx-pcm.c +++ b/sound/soc/ep93xx/ep93xx-pcm.c @@ -136,7 +136,7 @@ static struct snd_pcm_ops ep93xx_pcm_ops = { .hw_params = ep93xx_pcm_hw_params, .hw_free = ep93xx_pcm_hw_free, .trigger = snd_dmaengine_pcm_trigger, - .pointer = snd_dmaengine_pcm_pointer, + .pointer = snd_dmaengine_pcm_pointer_no_residue, .mmap = ep93xx_pcm_mmap, }; diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index f3c0a5ef35c8..48f9d886f020 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -141,7 +141,7 @@ static struct snd_pcm_ops imx_pcm_ops = { .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_imx_pcm_hw_params, .trigger = snd_dmaengine_pcm_trigger, - .pointer = snd_dmaengine_pcm_pointer, + .pointer = snd_dmaengine_pcm_pointer_no_residue, .mmap = snd_imx_pcm_mmap, }; diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c index 373dec90579f..f82d766cbf9e 100644 --- a/sound/soc/mxs/mxs-pcm.c +++ b/sound/soc/mxs/mxs-pcm.c @@ -141,7 +141,7 @@ static struct snd_pcm_ops mxs_pcm_ops = { .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_mxs_pcm_hw_params, .trigger = snd_dmaengine_pcm_trigger, - .pointer = snd_dmaengine_pcm_pointer, + .pointer = snd_dmaengine_pcm_pointer_no_residue, .mmap = snd_mxs_pcm_mmap, }; diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c index 475695234b3d..7c0877e3731c 100644 --- a/sound/soc/soc-dmaengine-pcm.c +++ b/sound/soc/soc-dmaengine-pcm.c @@ -200,18 +200,18 @@ int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd) EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_trigger); /** - * snd_dmaengine_pcm_pointer - dmaengine based PCM pointer implementation + * snd_dmaengine_pcm_pointer_no_residue - dmaengine based PCM pointer implementation * @substream: PCM substream * - * This function can be used as the PCM pointer callback for dmaengine based PCM - * driver implementations. + * This function is deprecated and should not be used by new drivers, as its + * results may be unreliable. */ -snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream) +snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream *substream) { struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); return bytes_to_frames(substream->runtime, prtd->pos); } -EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_pointer); +EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_pointer_no_residue); static int dmaengine_pcm_request_channel(struct dmaengine_pcm_runtime_data *prtd, dma_filter_fn filter_fn, void *filter_data) diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c index 97d8e4de29c2..1a04e248453c 100644 --- a/sound/soc/ux500/ux500_pcm.c +++ b/sound/soc/ux500/ux500_pcm.c @@ -261,7 +261,7 @@ static struct snd_pcm_ops ux500_pcm_ops = { .hw_params = ux500_pcm_hw_params, .hw_free = ux500_pcm_hw_free, .trigger = snd_dmaengine_pcm_trigger, - .pointer = snd_dmaengine_pcm_pointer, + .pointer = snd_dmaengine_pcm_pointer_no_residue, .mmap = ux500_pcm_mmap };