diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0403-staging-bcm2835-audio-unify-FOURCC-command-definitio.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0403-staging-bcm2835-audio-unify-FOURCC-command-definitio.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0403-staging-bcm2835-audio-unify-FOURCC-command-definitio.patch b/target/linux/brcm2708/patches-4.19/950-0403-staging-bcm2835-audio-unify-FOURCC-command-definitio.patch new file mode 100644 index 0000000000..fa24932b1b --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0403-staging-bcm2835-audio-unify-FOURCC-command-definitio.patch @@ -0,0 +1,71 @@ +From 26693d4d1239b8239644ce6da50b8ce06ff18ae5 Mon Sep 17 00:00:00 2001 +From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> +Date: Wed, 17 Oct 2018 21:01:50 +0200 +Subject: [PATCH] staging: bcm2835-audio: unify FOURCC command + definitions + +commit a90d8f49cc7fd7220aa24b85fc74ef3cfd62b96f upstream. + +The device communicates with the audio core using FOURCC codes. The +driver was generating them using different macros/expressions. We now +use the same macro to create them and centralize all the definitions. + +Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> +Reviewed-by: Takashi Iwai <tiwai@suse.de> +Acked-by: Stefan Wahren <stefan.wahren@i2se.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + .../vc04_services/bcm2835-audio/bcm2835-vchiq.c | 13 ++++--------- + .../bcm2835-audio/vc_vchi_audioserv_defs.h | 4 +++- + 2 files changed, 7 insertions(+), 10 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c ++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c +@@ -89,11 +89,6 @@ static int bcm2835_audio_send_simple(str + return bcm2835_audio_send_msg(instance, &m, wait); + } + +-static const u32 BCM2835_AUDIO_WRITE_COOKIE1 = ('B' << 24 | 'C' << 16 | +- 'M' << 8 | 'A'); +-static const u32 BCM2835_AUDIO_WRITE_COOKIE2 = ('D' << 24 | 'A' << 16 | +- 'T' << 8 | 'A'); +- + static void audio_vchi_callback(void *param, + const VCHI_CALLBACK_REASON_T reason, + void *msg_handle) +@@ -112,8 +107,8 @@ static void audio_vchi_callback(void *pa + instance->result = m.u.result.success; + complete(&instance->msg_avail_comp); + } else if (m.type == VC_AUDIO_MSG_TYPE_COMPLETE) { +- if (m.u.complete.cookie1 != BCM2835_AUDIO_WRITE_COOKIE1 || +- m.u.complete.cookie2 != BCM2835_AUDIO_WRITE_COOKIE2) ++ if (m.u.complete.cookie1 != VC_AUDIO_WRITE_COOKIE1 || ++ m.u.complete.cookie2 != VC_AUDIO_WRITE_COOKIE2) + dev_err(instance->dev, "invalid cookie\n"); + else + bcm2835_playback_fifo(instance->alsa_stream, +@@ -337,8 +332,8 @@ int bcm2835_audio_write(struct bcm2835_a + .type = VC_AUDIO_MSG_TYPE_WRITE, + .u.write.count = size, + .u.write.max_packet = instance->max_packet, +- .u.write.cookie1 = BCM2835_AUDIO_WRITE_COOKIE1, +- .u.write.cookie2 = BCM2835_AUDIO_WRITE_COOKIE2, ++ .u.write.cookie1 = VC_AUDIO_WRITE_COOKIE1, ++ .u.write.cookie2 = VC_AUDIO_WRITE_COOKIE2, + }; + unsigned int count; + int err, status; +--- a/drivers/staging/vc04_services/bcm2835-audio/vc_vchi_audioserv_defs.h ++++ b/drivers/staging/vc04_services/bcm2835-audio/vc_vchi_audioserv_defs.h +@@ -7,8 +7,10 @@ + #define VC_AUDIOSERV_MIN_VER 1 + #define VC_AUDIOSERV_VER 2 + +-/* FourCC code used for VCHI connection */ ++/* FourCC codes used for VCHI communication */ + #define VC_AUDIO_SERVER_NAME MAKE_FOURCC("AUDS") ++#define VC_AUDIO_WRITE_COOKIE1 MAKE_FOURCC("BCMA") ++#define VC_AUDIO_WRITE_COOKIE2 MAKE_FOURCC("DATA") + + /* + * List of screens that are currently supported |