diff options
Diffstat (limited to 'recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch')
| -rwxr-xr-x | recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch b/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch new file mode 100755 index 00000000..dfedd186 --- /dev/null +++ b/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch @@ -0,0 +1,40 @@ +From a2892bf5db7520689fa9cb1d1589fa804bd9dc1a Mon Sep 17 00:00:00 2001 +From: Bing Song <bing.song@nxp.com> +Date: Tue, 18 Aug 2020 15:26:51 +0800 +Subject: [PATCH] tinycompress: pass NULL buffer with 0 size to driver. + +The NULL buffer with 0 size to indecate driver drain input data with +non-block mode. The defaul drain is block mode. + +Upstream-Status: Inappropriate [i.MX specific] +Signed-off-by: Bing Song <bing.song@nxp.com> +--- + src/lib/compress.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/lib/compress.c b/src/lib/compress.c +index bba4fcf..d66df0b 100644 +--- a/src/lib/compress.c ++++ b/src/lib/compress.c +@@ -315,7 +315,8 @@ int compress_write(struct compress *compress, const void *buf, unsigned int size + fds.events = POLLOUT; + + /*TODO: treat auto start here first */ +- while (size) { ++ /* NULL buffer with 0 size for non-block drain */ ++ do { + if (ioctl(compress->fd, SNDRV_COMPRESS_AVAIL, &avail)) + return oops(compress, errno, "cannot get avail"); + +@@ -357,7 +358,7 @@ int compress_write(struct compress *compress, const void *buf, unsigned int size + size -= written; + cbuf += written; + total += written; +- } ++ } while (size); + return total; + } + +-- +2.17.1 + |