drm/i2c: tda998x: use ALSA IEC958 definitions and update audio frequency

This patch sets the frequency as 'not indicated' instead of '48kHz'
and uses the asound values in the channel status definition.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 5be145ccbb08..e5b764b95866 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -19,6 +19,7 @@
 
 #include <linux/hdmi.h>
 #include <linux/module.h>
+#include <sound/asoundef.h>
 
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
@@ -649,10 +650,11 @@ tda998x_configure_audio(struct drm_encoder *encoder,
         reg_clear(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
 
         /* Write the channel status */
-        buf[0] = 0x04;
+        buf[0] = IEC958_AES0_CON_NOT_COPYRIGHT;
         buf[1] = 0x00;
-        buf[2] = 0x00;
-        buf[3] = 0xf1;
+        buf[2] = IEC958_AES3_CON_FS_NOTID;
+        buf[3] = IEC958_AES4_CON_ORIGFS_NOTID |
+                        IEC958_AES4_CON_MAX_WORDLEN_24;
         reg_write_range(encoder, REG_CH_STAT_B(0), buf, 4);
 
         tda998x_audio_mute(encoder, true);