diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0746-Add-HDMI1-facility-to-the-driver.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0746-Add-HDMI1-facility-to-the-driver.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0746-Add-HDMI1-facility-to-the-driver.patch b/target/linux/brcm2708/patches-4.19/950-0746-Add-HDMI1-facility-to-the-driver.patch new file mode 100644 index 0000000000..c211fa6407 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0746-Add-HDMI1-facility-to-the-driver.patch @@ -0,0 +1,85 @@ +From e1b0a468d01290237f0fd33a91fc32ec204b4fb0 Mon Sep 17 00:00:00 2001 +From: James Hughes <james.hughes@raspberrypi.org> +Date: Tue, 16 Jul 2019 12:18:21 +0100 +Subject: [PATCH 746/782] Add HDMI1 facility to the driver. + +For generic ALSA, all you need is the bcm2835.h change, but +have also added structures for IEC958 HDMI. Not sure how to +test those. +--- + .../vc04_services/bcm2835-audio/bcm2835.c | 29 ++++++++++++++++--- + .../vc04_services/bcm2835-audio/bcm2835.h | 4 ++- + 2 files changed, 28 insertions(+), 5 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c ++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c +@@ -79,7 +79,11 @@ static int bcm2835_audio_alsa_newpcm(str + if (err) + return err; + +- err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI", 1, 0, 1, true); ++ err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI", 1, AUDIO_DEST_HDMI0, 1, true); ++ if (err) ++ return err; ++ ++ err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI1", 2, AUDIO_DEST_HDMI1, 1, true); + if (err) + return err; + +@@ -106,7 +110,7 @@ static struct bcm2835_audio_driver bcm28 + .newctl = snd_bcm2835_new_ctl, + }; + +-static struct bcm2835_audio_driver bcm2835_audio_hdmi = { ++static struct bcm2835_audio_driver bcm2835_audio_hdmi0 = { + .driver = { + .name = "bcm2835_hdmi", + .owner = THIS_MODULE, +@@ -116,7 +120,20 @@ static struct bcm2835_audio_driver bcm28 + .minchannels = 1, + .newpcm = bcm2835_audio_simple_newpcm, + .newctl = snd_bcm2835_new_hdmi_ctl, +- .route = AUDIO_DEST_HDMI ++ .route = AUDIO_DEST_HDMI0 ++}; ++ ++static struct bcm2835_audio_driver bcm2835_audio_hdmi1 = { ++ .driver = { ++ .name = "bcm2835_hdmi", ++ .owner = THIS_MODULE, ++ }, ++ .shortname = "bcm2835 HDMI 1", ++ .longname = "bcm2835 HDMI 1", ++ .minchannels = 1, ++ .newpcm = bcm2835_audio_simple_newpcm, ++ .newctl = snd_bcm2835_new_hdmi_ctl, ++ .route = AUDIO_DEST_HDMI1 + }; + + static struct bcm2835_audio_driver bcm2835_audio_headphones = { +@@ -143,7 +160,11 @@ static struct bcm2835_audio_drivers chil + .is_enabled = &enable_compat_alsa, + }, + { +- .audio_driver = &bcm2835_audio_hdmi, ++ .audio_driver = &bcm2835_audio_hdmi0, ++ .is_enabled = &enable_hdmi, ++ }, ++ { ++ .audio_driver = &bcm2835_audio_hdmi1, + .is_enabled = &enable_hdmi, + }, + { +--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h ++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h +@@ -33,7 +33,9 @@ enum { + enum snd_bcm2835_route { + AUDIO_DEST_AUTO = 0, + AUDIO_DEST_HEADPHONES = 1, +- AUDIO_DEST_HDMI = 2, ++ AUDIO_DEST_HDMI = 2, // for backwards compatibility. ++ AUDIO_DEST_HDMI0 = 2, ++ AUDIO_DEST_HDMI1 = 3, + AUDIO_DEST_MAX, + }; + |