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Unverified Commit cc7d6ce9 authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
Browse files

ASoC: wm_adsp: Factor out stripping padding from ADSP data 



In preparation for more refactoring add a helper function to strip the
padding from ADSP data.

Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent eb23dcd2

sound/soc/codecs/wm_adsp.c

+17 −10
Original line number Diff line number Diff line
@@ -3231,6 +3231,21 @@ static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 
				       buf->host_buf_ptr + field_offset, data);

}



static void wm_adsp_remove_padding(u32 *buf, int nwords, int data_word_size)

{

	u8 *pack_in = (u8 *)buf;

	u8 *pack_out = (u8 *)buf;

	int i, j;



	/* Remove the padding bytes from the data read from the DSP */

	for (i = 0; i < nwords; i++) {

		for (j = 0; j < data_word_size; j++)

			*pack_out++ = *pack_in++;



		pack_in += sizeof(*buf) - data_word_size;

	}

}



static int wm_adsp_legacy_host_buf_addr(struct wm_adsp_compr_buf *buf)

{

	struct wm_adsp_alg_region *alg_region;
@@ -3666,11 +3681,9 @@ EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 
static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)

{

	struct wm_adsp_compr_buf *buf = compr->buf;

	u8 *pack_in = (u8 *)compr->raw_buf;

	u8 *pack_out = (u8 *)compr->raw_buf;

	unsigned int adsp_addr;

	int mem_type, nwords, max_read;

	int i, j, ret;

	int i, ret;



	/* Calculate read parameters */

	for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)
@@ -3702,13 +3715,7 @@ static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 
	if (ret < 0)

		return ret;



	/* Remove the padding bytes from the data read from the DSP */

	for (i = 0; i < nwords; i++) {

		for (j = 0; j < WM_ADSP_DATA_WORD_SIZE; j++)

			*pack_out++ = *pack_in++;



		pack_in += sizeof(*(compr->raw_buf)) - WM_ADSP_DATA_WORD_SIZE;

	}

	wm_adsp_remove_padding(compr->raw_buf, nwords, WM_ADSP_DATA_WORD_SIZE);



	/* update read index to account for words read */

	buf->read_index += nwords;