From: Bogdan Togorean <bogdan.togorean@analog.com>
Date: Mon, 13 Apr 2020 11:35:08 +0000 (+0300)
Subject: drm: bridge: adv7511: Extend list of audio sample rates
X-Git-Tag: v5.15~303^2~28^2~2992
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b97b6a1f6e14a25d1e1ca2a46c5fa3e2ca374e22;p=platform%2Fkernel%2Flinux-starfive.git

drm: bridge: adv7511: Extend list of audio sample rates

ADV7511 support sample rates up to 192kHz. CTS and N parameters should
be computed accordingly so this commit extend the list up to maximum
supported sample rate.

Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200413113513.86091-2-bogdan.togorean@analog.com
---

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index 1e9b128..f101dd2 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -19,13 +19,15 @@ static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs,
 {
 	switch (fs) {
 	case 32000:
-		*n = 4096;
+	case 48000:
+	case 96000:
+	case 192000:
+		*n = fs * 128 / 1000;
 		break;
 	case 44100:
-		*n = 6272;
-		break;
-	case 48000:
-		*n = 6144;
+	case 88200:
+	case 176400:
+		*n = fs * 128 / 900;
 		break;
 	}