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authorTakashi Iwai <tiwai@suse.de>2023-03-03 16:20:56 +0300
committerTakashi Iwai <tiwai@suse.de>2023-03-03 16:20:56 +0300
commit26ed1d29fc44f3f2f0c396c1392abefac5f0454e (patch)
treeffba9ebddf759f04cbeca8adace5cc8093c58c2d /sound/soc/amd/yc/acp6x-pdm-dma.c
parente97fc9cffbb9f372b53b42c36cd7b20aab44a554 (diff)
parent7933b90b42896f5b6596e6a829bb31c5121fc2a9 (diff)
downloadlinux-26ed1d29fc44f3f2f0c396c1392abefac5f0454e.tar.xz
Merge branch 'for-next' into for-linus
Diffstat (limited to 'sound/soc/amd/yc/acp6x-pdm-dma.c')
-rw-r--r--sound/soc/amd/yc/acp6x-pdm-dma.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/soc/amd/yc/acp6x-pdm-dma.c b/sound/soc/amd/yc/acp6x-pdm-dma.c
index acecd6a4ec4b..294dd7fb43c9 100644
--- a/sound/soc/amd/yc/acp6x-pdm-dma.c
+++ b/sound/soc/amd/yc/acp6x-pdm-dma.c
@@ -7,6 +7,7 @@
#include <linux/platform_device.h>
#include <linux/module.h>
+#include <linux/bitfield.h>
#include <linux/err.h>
#include <linux/io.h>
#include <sound/pcm_params.h>
@@ -18,6 +19,10 @@
#define DRV_NAME "acp_yc_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 acp6x_pdm_hardware_capture = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -55,7 +60,8 @@ static void acp6x_enable_pdm_clock(void __iomem *acp_base)
acp6x_writel(pdm_clk_enable, acp_base + ACP_WOV_CLK_CTRL);
pdm_ctrl = acp6x_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));
acp6x_writel(pdm_ctrl, acp_base + ACP_WOV_MISC_CTRL);
}