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[v4,05/24] ASoC: renesas: rz-ssi: Use only the proper amount of dividers

Message ID 20241210170953.2936724-6-claudiu.beznea.uj@bp.renesas.com (mailing list archive)
State Accepted
Commit 55c209cd4318c701e6e88e0b2512a0f12dd02a7d
Headers show
Series Add audio support for the Renesas RZ/G3S SoC | expand

Commit Message

Claudiu Beznea Dec. 10, 2024, 5:09 p.m. UTC 
From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

There is no need to populate the ckdv[] with invalid dividers as that
part will not be indexed anyway. The ssi->audio_mck/bclk_rate should
always be >= 0. While at it, change the ckdv type as u8, as the divider
128 was previously using the s8 sign bit.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

Changes in v4:
- changed the ckdv type from s8 to u8 and updated patch description
  to reflect it

Changes in v3:
- s/sh/renesas in patch title

Changes in v2:
- none

 sound/soc/renesas/rz-ssi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/sound/soc/renesas/rz-ssi.c b/sound/soc/renesas/rz-ssi.c
index 2d8721156099..178c915331e9 100644
--- a/sound/soc/renesas/rz-ssi.c
+++ b/sound/soc/renesas/rz-ssi.c
@@ -258,8 +258,7 @@  static void rz_ssi_stream_quit(struct rz_ssi_priv *ssi,
 static int rz_ssi_clk_setup(struct rz_ssi_priv *ssi, unsigned int rate,
 			    unsigned int channels)
 {
-	static s8 ckdv[16] = { 1,  2,  4,  8, 16, 32, 64, 128,
-			       6, 12, 24, 48, 96, -1, -1, -1 };
+	static u8 ckdv[] = { 1,  2,  4,  8, 16, 32, 64, 128, 6, 12, 24, 48, 96 };
 	unsigned int channel_bits = 32;	/* System Word Length */
 	unsigned long bclk_rate = rate * channels * channel_bits;
 	unsigned int div;