linux-kernel - [RESEND 2/2] drm: bridge: adv7511: Extend list of audio sample rates

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Date:   Mon, 24 Feb 2020 14:01:57 +0200
From:   Bogdan Togorean <bogdan.togorean@...log.com>
To:     <dri-devel@...ts.freedesktop.org>
CC:     <airlied@...ux.ie>, <daniel@...ll.ch>, <narmstrong@...libre.com>,
        <a.hajda@...sung.com>, <Laurent.pinchart@...asonboard.com>,
        <jonas@...boo.se>, <jernej.skrabec@...l.net>, <tglx@...utronix.de>,
        <alexios.zavras@...el.com>, <linux-kernel@...r.kernel.org>,
        Bogdan Togorean <bogdan.togorean@...log.com>
Subject: [RESEND 2/2] 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@...log.com>
---
 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index 1e9b128d229b..13e8cee6e827 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -27,6 +27,18 @@ static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs,
 	case 48000:
 		*n = 6144;
 		break;
+	case 88200:
+		*n = 12544;
+		break;
+	case 96000:
+		*n = 12288;
+		break;
+	case 176400:
+		*n = 25088;
+		break;
+	case 192000:
+		*n = 24576;
+		break;
 	}
 
 	*cts = ((f_tmds * *n) / (128 * fs)) * 1000;
-- 
2.25.0