When remove sound card build config, there will be error
drivers/built-in.o: In function `mxc_hdmi_register_audio':
vf610_adc.c:(.text+0xd64f8): undefined reference to `_snd_pcm_stream_lock_irqsave'
vf610_adc.c:(.text+0xd6518): undefined reference to `snd_pcm_stream_unlock_irqrestore'
drivers/built-in.o: In function `mxc_hdmi_abort_stream':
vf610_adc.c:(.text+0xd65a4): undefined reference to `_snd_pcm_stream_lock_irqsave'
vf610_adc.c:(.text+0xd65d0): undefined reference to `snd_pcm_stream_unlock_irqrestore'
make: *** [vmlinux] Error 1
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
null check substream before using it. Reported by coverity.
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
(cherry picked from commit fad2b9c1285a34eab0dec9f90edc06ec94e70a61)
Forward imx_3.14.y IPU and display drivers to 4.1 kernel.
This includes IPU core driver, display driver, LDB and HDMI driver.
Signed-off-by: Sandor Yu <R01008@freescale.com>
Shengjiu Wang