[PATCH] ASoC: imx-pcm-rpmsg: Fix warning of incorrect type in assignment

From: Shengjiu Wang
Date: Wed May 05 2021 - 22:53:16 EST


The format in rpmsg is defained as unsigned char, there is warning
when convert snd_pcm_format_t to it.

sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse: warning: incorrect type in assignment (different base types)
sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse: expected unsigned char format
sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse: got restricted snd_pcm_format_t [usertype]
sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse: warning: incorrect type in assignment (different base types)
sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse: expected unsigned char format
sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse: got restricted snd_pcm_format_t [usertype]

Refine the unused RPMSG_DSD_U16_LE and RPMSG_DSD_U32_LE for these
case to fix this sparse warning.

Fixes: 3c00eceb2a53 ("ASoC: imx-pcm-rpmsg: Add platform driver for audio base on rpmsg")
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
sound/soc/fsl/imx-pcm-rpmsg.c | 4 ++--
sound/soc/fsl/imx-pcm-rpmsg.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/imx-pcm-rpmsg.c b/sound/soc/fsl/imx-pcm-rpmsg.c
index 875c0d6df339..3f5913adbfb0 100644
--- a/sound/soc/fsl/imx-pcm-rpmsg.c
+++ b/sound/soc/fsl/imx-pcm-rpmsg.c
@@ -161,10 +161,10 @@ static int imx_rpmsg_pcm_hw_params(struct snd_soc_component *component,
msg->s_msg.param.format = RPMSG_S24_LE;
break;
case SNDRV_PCM_FORMAT_DSD_U16_LE:
- msg->s_msg.param.format = SNDRV_PCM_FORMAT_DSD_U16_LE;
+ msg->s_msg.param.format = RPMSG_DSD_U16_LE;
break;
case SNDRV_PCM_FORMAT_DSD_U32_LE:
- msg->s_msg.param.format = SNDRV_PCM_FORMAT_DSD_U32_LE;
+ msg->s_msg.param.format = RPMSG_DSD_U32_LE;
break;
default:
msg->s_msg.param.format = RPMSG_S32_LE;
diff --git a/sound/soc/fsl/imx-pcm-rpmsg.h b/sound/soc/fsl/imx-pcm-rpmsg.h
index 308d153920a3..8286b55f00ae 100644
--- a/sound/soc/fsl/imx-pcm-rpmsg.h
+++ b/sound/soc/fsl/imx-pcm-rpmsg.h
@@ -328,9 +328,9 @@
#define RPMSG_S16_LE 0x0
#define RPMSG_S24_LE 0x1
#define RPMSG_S32_LE 0x2
-#define RPMSG_DSD_U16_LE 0x3
+#define RPMSG_DSD_U16_LE 49 /* SNDRV_PCM_FORMAT_DSD_U16_LE */
#define RPMSG_DSD_U24_LE 0x4
-#define RPMSG_DSD_U32_LE 0x5
+#define RPMSG_DSD_U32_LE 50 /* SNDRV_PCM_FORMAT_DSD_U32_LE */

#define RPMSG_CH_LEFT 0x0
#define RPMSG_CH_RIGHT 0x1
--
2.17.1