diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2022-01-04 13:40:33 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-01-06 16:55:43 +0300 |
| commit | 3349b3d0c63b8b6fcca58156d72407f0b2e101ac (patch) | |
| tree | af1e86ebf503d97f6324c9ededa384f8d4281e17 /sound | |
| parent | e4c35e75209bda13e57c9bc8d280366c2b9275a5 (diff) | |
| download | linux-3349b3d0c63b8b6fcca58156d72407f0b2e101ac.tar.xz | |
ASoC: imx-card: Need special setting for ak4497 on i.MX8MQ
The SAI on i.MX8MQ don't support one2one ratio for mclk:bclk, so
the mclk frequency exceeds the supported range of codec for
the case that sample rate is larger than 705kHZ and format is
S32_LE. Update the supported width for such case.
Fixes: aa736700f42f ("ASoC: imx-card: Add imx-card machine driver")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1641292835-19085-2-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/imx-card.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c index e758c4f1b0bc..e0f3aa6d9501 100644 --- a/sound/soc/fsl/imx-card.c +++ b/sound/soc/fsl/imx-card.c @@ -553,8 +553,23 @@ static int imx_card_parse_of(struct imx_card_data *data) link_data->cpu_sysclk_id = FSL_SAI_CLK_MAST1; /* sai may support mclk/bclk = 1 */ - if (of_find_property(np, "fsl,mclk-equal-bclk", NULL)) + if (of_find_property(np, "fsl,mclk-equal-bclk", NULL)) { link_data->one2one_ratio = true; + } else { + int i; + + /* + * i.MX8MQ don't support one2one ratio, then + * with ak4497 only 16bit case is supported. + */ + for (i = 0; i < ARRAY_SIZE(ak4497_fs_mul); i++) { + if (ak4497_fs_mul[i].rmin == 705600 && + ak4497_fs_mul[i].rmax == 768000) { + ak4497_fs_mul[i].wmin = 32; + ak4497_fs_mul[i].wmax = 32; + } + } + } } link->cpus->of_node = args.np; |