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| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2021-02-22 11:40:20 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-10 16:07:16 +0300 |
| commit | 907e0cdebc1f36623ca8ce6a6376abb1ad56e93d (patch) | |
| tree | 70578a15ccbec77f617b84b0d8e9e3d5a8c4b8b6 /sound/soc/fsl/fsl_sai.h | |
| parent | 13fba3e873b1f21ed3de6596568ef02d31050b6f (diff) | |
| download | linux-907e0cdebc1f36623ca8ce6a6376abb1ad56e93d.tar.xz | |
ASoC: fsl_sai: Add pm qos cpu latency support
On SoCs such as i.MX7ULP, cpuidle has some levels which
may disable system/bus clocks, so need to add pm_qos to
prevent cpuidle from entering low level idles and make sure
system/bus clocks are enabled when sai is active.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1613983220-5373-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl/fsl_sai.h')
| -rw-r--r-- | sound/soc/fsl/fsl_sai.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h index ff2619f1b214..bc60030967dd 100644 --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -216,12 +216,15 @@ #define FSL_SAI_MAXBURST_TX 6 #define FSL_SAI_MAXBURST_RX 6 +#define PMQOS_CPU_LATENCY BIT(0) + struct fsl_sai_soc_data { bool use_imx_pcm; bool use_edma; bool mclk0_is_mclk1; unsigned int fifo_depth; unsigned int reg_offset; + unsigned int flags; }; /** @@ -273,6 +276,7 @@ struct fsl_sai { struct snd_dmaengine_dai_dma_data dma_params_tx; struct fsl_sai_verid verid; struct fsl_sai_param param; + struct pm_qos_request pm_qos_req; }; #define TX 1 |