tree 7c89bc2de8f7b97294ad506a617d7f7cf8d1f256
parent 81e11d490ea470381943ce24c63dec0b6ce31e4e
author Mauro Carvalho Chehab <mchehab@s-opensource.com> 1494581253 -0300
committer Mauro Carvalho Chehab <mchehab@s-opensource.com> 1494935047 -0300

docs-rst: add sound book to pdf output

The sound subsystem book was added without the bits required to
generate PDF output. Add them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>