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

[ 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>

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index a428185be2c1576c6bf68e9d55a80ee470795c41..d05b3033b5107ca6d8054ac2751f24ae71199a3b 100644 (file)
--- 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;
        }