diff options
Diffstat (limited to 'sound/soc/amd/renoir/acp3x-pdm-dma.c')
| -rw-r--r-- | sound/soc/amd/renoir/acp3x-pdm-dma.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c index 7203c6488df0..0d8b693aecc9 100644 --- a/sound/soc/amd/renoir/acp3x-pdm-dma.c +++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c @@ -6,6 +6,7 @@ #include <linux/platform_device.h> #include <linux/module.h> +#include <linux/bitfield.h> #include <linux/err.h> #include <linux/io.h> #include <linux/pm_runtime.h> @@ -17,6 +18,10 @@ #define DRV_NAME "acp_rn_pdm_dma" +static int pdm_gain = 3; +module_param(pdm_gain, int, 0644); +MODULE_PARM_DESC(pdm_gain, "Gain control (0-3)"); + static const struct snd_pcm_hardware acp_pdm_hardware_capture = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -80,7 +85,8 @@ static void enable_pdm_clock(void __iomem *acp_base) rn_writel(pdm_clk_enable, acp_base + ACP_WOV_CLK_CTRL); pdm_ctrl = rn_readl(acp_base + ACP_WOV_MISC_CTRL); - pdm_ctrl |= ACP_WOV_MISC_CTRL_MASK; + pdm_ctrl &= ~ACP_WOV_GAIN_CONTROL; + pdm_ctrl |= FIELD_PREP(ACP_WOV_GAIN_CONTROL, clamp(pdm_gain, 0, 3)); rn_writel(pdm_ctrl, acp_base + ACP_WOV_MISC_CTRL); } |