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

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Message-ID: <20200407091309.58297-2-bogdan.togorean@analog.com>
Date:   Tue, 7 Apr 2020 12:13:07 +0300
From:   Bogdan Togorean <bogdan.togorean@...log.com>
To:     <dri-devel@...ts.freedesktop.org>
CC:     Bogdan Togorean <bogdan.togorean@...log.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        "Laurent Pinchart" <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Steve Winslow <swinslow@...il.com>,
        Alexios Zavras <alexios.zavras@...el.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Richard Fontana <rfontana@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        <linux-kernel@...r.kernel.org>
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;
-- 
2.17.1