diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/media/platform/tegra-cec/tegra_cec.c | 17 |
2 files changed, 8 insertions, 11 deletions
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index 372c074bb1b9..86c1a190d946 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -151,7 +151,7 @@ config DVB_MMAP select VIDEOBUF2_VMALLOC default n help - This option enables DVB experimental memory-mapped API, with + This option enables DVB experimental memory-mapped API, which reduces the number of context switches to read DVB buffers, as the buffers can use mmap() syscalls. diff --git a/drivers/media/platform/tegra-cec/tegra_cec.c b/drivers/media/platform/tegra-cec/tegra_cec.c index 92f93a880015..aba488cd0e64 100644 --- a/drivers/media/platform/tegra-cec/tegra_cec.c +++ b/drivers/media/platform/tegra-cec/tegra_cec.c @@ -172,16 +172,13 @@ static irqreturn_t tegra_cec_irq_handler(int irq, void *data) } } - if (status & (TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN | - TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED | - TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED | - TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED)) { + if (status & TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED) { cec_write(cec, TEGRA_CEC_INT_STAT, - (TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN | - TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED | - TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED | - TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED)); - } else if (status & TEGRA_CEC_INT_STAT_RX_REGISTER_FULL) { + TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED); + cec->rx_done = false; + cec->rx_buf_cnt = 0; + } + if (status & TEGRA_CEC_INT_STAT_RX_REGISTER_FULL) { u32 v; cec_write(cec, TEGRA_CEC_INT_STAT, @@ -255,7 +252,7 @@ static int tegra_cec_adap_enable(struct cec_adapter *adap, bool enable) TEGRA_CEC_INT_MASK_TX_BUS_ANOMALY_DETECTED | TEGRA_CEC_INT_MASK_TX_FRAME_TRANSMITTED | TEGRA_CEC_INT_MASK_RX_REGISTER_FULL | - TEGRA_CEC_INT_MASK_RX_REGISTER_OVERRUN); + TEGRA_CEC_INT_MASK_RX_START_BIT_DETECTED); cec_write(cec, TEGRA_CEC_HW_CONTROL, TEGRA_CEC_HWCTRL_TX_RX_MODE); return 0; |