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From: Bogdan Togorean <bogdan.togorean@analog.com>
To: <dri-devel@lists.freedesktop.org>
Cc: Bogdan Togorean <bogdan.togorean@analog.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Thomas Gleixner <tglx@linutronix.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alexios Zavras <alexios.zavras@intel.com>,
	<linux-kernel@vger.kernel.org>
Subject: [v2 2/2] drm: bridge: adv7511: Extend list of audio sample rates
Date: Mon, 13 Apr 2020 14:35:08 +0300	[thread overview]
Message-ID: <20200413113513.86091-2-bogdan.togorean@analog.com> (raw)
In-Reply-To: <20200413113513.86091-1-bogdan.togorean@analog.com>

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>
---
Changes in v2:
 - replaced magic numbers with formula for computation of n
---
 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index 1e9b128d229b..f101dd2819b5 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;
 	}
 
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Bogdan Togorean <bogdan.togorean@analog.com>
To: <dri-devel@lists.freedesktop.org>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>,
	Jonas Karlman <jonas@kwiboo.se>, David Airlie <airlied@linux.ie>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	linux-kernel@vger.kernel.org,
	Alexios Zavras <alexios.zavras@intel.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Bogdan Togorean <bogdan.togorean@analog.com>
Subject: [v2 2/2] drm: bridge: adv7511: Extend list of audio sample rates
Date: Mon, 13 Apr 2020 14:35:08 +0300	[thread overview]
Message-ID: <20200413113513.86091-2-bogdan.togorean@analog.com> (raw)
In-Reply-To: <20200413113513.86091-1-bogdan.togorean@analog.com>

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>
---
Changes in v2:
 - replaced magic numbers with formula for computation of n
---
 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index 1e9b128d229b..f101dd2819b5 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;
 	}
 
-- 
2.17.1

_______________________________________________
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  reply	other threads:[~2020-04-13 11:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200414070644eucas1p150b35a8ea7531ab5172046b1d913d6f7@eucas1p1.samsung.com>
2020-04-13 11:35 ` [v2 1/2] drm: bridge: adv7511: Enable SPDIF DAI Bogdan Togorean
2020-04-13 11:35   ` Bogdan Togorean
2020-04-13 11:35   ` Bogdan Togorean [this message]
2020-04-13 11:35     ` [v2 2/2] drm: bridge: adv7511: Extend list of audio sample rates Bogdan Togorean
2020-04-14  8:23   ` [v2 1/2] drm: bridge: adv7511: Enable SPDIF DAI Andrzej Hajda
2020-04-14  8:23     ` Andrzej Hajda

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