diff options
| -rw-r--r-- | drivers/media/video/tegra/tegra_dtv.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/media/video/tegra/tegra_dtv.c b/drivers/media/video/tegra/tegra_dtv.c index e1e2596007f6..97a1f231ec58 100644 --- a/drivers/media/video/tegra/tegra_dtv.c +++ b/drivers/media/video/tegra/tegra_dtv.c @@ -1011,6 +1011,8 @@ static int __devexit tegra_dtv_remove(struct platform_device *pdev) tear_down_dma(dtv_ctx); release_stream_buffer(&dtv_ctx->stream, dtv_ctx->stream.num_bufs); + clk_put(dtv_ctx->clk); + misc_deregister(&dtv_ctx->miscdev); return 0; @@ -1019,11 +1021,38 @@ static int __devexit tegra_dtv_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int tegra_dtv_suspend(struct platform_device *pdev, pm_message_t state) { + struct tegra_dtv_context *dtv_ctx; + + pr_info("%s: suspend dtv.\n", __func__); + + dtv_ctx = platform_get_drvdata(pdev); + + /* stop xferring */ + mutex_lock(&dtv_ctx->stream.mtx); + if (dtv_ctx->stream.xferring) { + stop_xfer_unsafe(&dtv_ctx->stream); + /* clean up stop condition */ + complete(&dtv_ctx->stream.stop_completion); + __force_xfer_stop(&dtv_ctx->stream); + } + /* wakeup any pending process */ + wakeup_suspend(&dtv_ctx->stream); + mutex_unlock(&dtv_ctx->stream.mtx); + + clk_disable(dtv_ctx->clk); + return 0; } static int tegra_dtv_resume(struct platform_device *pdev) { + struct tegra_dtv_context *dtv_ctx; + + pr_info("%s: resume dtv.\n", __func__); + + dtv_ctx = platform_get_drvdata(pdev); + clk_enable(dtv_ctx->clk); + return 0; } #endif /* CONFIG_PM */ |