diff options
| -rw-r--r-- | sound/soc/fsl/fsl_sai.c | 12 | ||||
| -rw-r--r-- | sound/soc/fsl/fsl_sai.h | 4 |
2 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 5e65b456d3e2..a22679dea578 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/pm_qos.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/slab.h> @@ -1177,6 +1178,7 @@ static const struct fsl_sai_soc_data fsl_sai_vf610_data = { .fifo_depth = 32, .reg_offset = 0, .mclk0_is_mclk1 = false, + .flags = 0, }; static const struct fsl_sai_soc_data fsl_sai_imx6sx_data = { @@ -1185,6 +1187,7 @@ static const struct fsl_sai_soc_data fsl_sai_imx6sx_data = { .fifo_depth = 32, .reg_offset = 0, .mclk0_is_mclk1 = true, + .flags = 0, }; static const struct fsl_sai_soc_data fsl_sai_imx7ulp_data = { @@ -1193,6 +1196,7 @@ static const struct fsl_sai_soc_data fsl_sai_imx7ulp_data = { .fifo_depth = 16, .reg_offset = 8, .mclk0_is_mclk1 = false, + .flags = PMQOS_CPU_LATENCY, }; static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = { @@ -1201,6 +1205,7 @@ static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = { .fifo_depth = 128, .reg_offset = 8, .mclk0_is_mclk1 = false, + .flags = 0, }; static const struct fsl_sai_soc_data fsl_sai_imx8qm_data = { @@ -1209,6 +1214,7 @@ static const struct fsl_sai_soc_data fsl_sai_imx8qm_data = { .fifo_depth = 64, .reg_offset = 0, .mclk0_is_mclk1 = false, + .flags = 0, }; static const struct of_device_id fsl_sai_ids[] = { @@ -1235,6 +1241,9 @@ static int fsl_sai_runtime_suspend(struct device *dev) clk_disable_unprepare(sai->bus_clk); + if (sai->soc_data->flags & PMQOS_CPU_LATENCY) + cpu_latency_qos_remove_request(&sai->pm_qos_req); + regcache_cache_only(sai->regmap, true); return 0; @@ -1264,6 +1273,9 @@ static int fsl_sai_runtime_resume(struct device *dev) goto disable_tx_clk; } + if (sai->soc_data->flags & PMQOS_CPU_LATENCY) + cpu_latency_qos_add_request(&sai->pm_qos_req, 0); + regcache_cache_only(sai->regmap, false); regcache_mark_dirty(sai->regmap); regmap_write(sai->regmap, FSL_SAI_TCSR(ofs), FSL_SAI_CSR_SR); 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 |