[PATCH 4.19 094/267] drm: bridge: adv7511: Extend list of audio sample rates

Greg Kroah-Hartman
2020-06-19T14:58:39Z

From: Bogdan Togorean <bogdan.togorean@analog.com>

[ Upstream commit b97b6a1f6e14a25d1e1ca2a46c5fa3e2ca374e22 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 1b4783d45c53..3a218b56a008 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -20,13 +20,15 @@ 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;
}

--
2.25.1