mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-09-19 22:08:32 +00:00
86 lines
2.7 KiB
Diff
86 lines
2.7 KiB
Diff
commit 7c545ae5467cca6ce537e213ecd647fcd4c3c4c0
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Author: wolfgar <stephan.rafin@laposte.net>
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Date: Fri Sep 12 01:42:52 2014 +0200
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Remove superflous guards that could even break invocation from mxc-hdmi
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diff --git a/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c b/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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index e53510f..88670bd 100644
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--- a/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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+++ b/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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@@ -83,8 +83,6 @@ struct hdmi_cec_event {
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static LIST_HEAD(head);
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-static int hdmi_cec_ready = 0;
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-static int hdmi_cec_started;
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static int hdmi_cec_major;
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static struct class *hdmi_cec_class;
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static struct hdmi_cec_priv hdmi_cec_data;
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@@ -315,7 +313,7 @@ static ssize_t hdmi_cec_write(struct file *file, const char __user *buf,
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mutex_unlock(&hdmi_cec_data.lock);
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return -EACCES;
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}
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- /* Ensure that there is only one writer who is the only listener of tx_cec_queue */
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+ /* Ensure that there is only one writer who is the unique listener of tx_cec_queue */
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if (hdmi_cec_data.tx_answer != CEC_TX_AVAIL) {
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mutex_unlock(&hdmi_cec_data.lock);
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return -EBUSY;
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@@ -359,13 +357,11 @@ static ssize_t hdmi_cec_write(struct file *file, const char __user *buf,
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return ret;
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}
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+
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void hdmi_cec_start_device(void)
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{
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u8 val;
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- if (!hdmi_cec_ready || hdmi_cec_started)
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- return;
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-
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val = hdmi_readb(HDMI_MC_CLKDIS);
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val &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE;
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hdmi_writeb(val, HDMI_MC_CLKDIS);
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@@ -378,11 +374,7 @@ void hdmi_cec_start_device(void)
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hdmi_writeb(val, HDMI_CEC_MASK);
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hdmi_writeb(val, HDMI_IH_MUTE_CEC_STAT0);
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hdmi_cec_data.link_status = hdmi_readb(HDMI_PHY_STAT0) & 0x02;
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- mutex_lock(&hdmi_cec_data.lock);
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hdmi_cec_data.cec_state = true;
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- mutex_unlock(&hdmi_cec_data.lock);
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-
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- hdmi_cec_started = 1;
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}
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EXPORT_SYMBOL(hdmi_cec_start_device);
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@@ -390,9 +382,6 @@ void hdmi_cec_stop_device(void)
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{
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u8 val;
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- if (!hdmi_cec_ready || !hdmi_cec_started)
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- return;
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-
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hdmi_writeb(0x10, HDMI_CEC_CTRL);
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val = HDMI_IH_CEC_STAT0_WAKEUP | HDMI_IH_CEC_STAT0_ERROR_FOLL | HDMI_IH_CEC_STAT0_ERROR_INIT | HDMI_IH_CEC_STAT0_ARB_LOST | \
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HDMI_IH_CEC_STAT0_NACK | HDMI_IH_CEC_STAT0_EOM | HDMI_IH_CEC_STAT0_DONE;
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@@ -402,11 +391,7 @@ void hdmi_cec_stop_device(void)
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val = hdmi_readb(HDMI_MC_CLKDIS);
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val |= HDMI_MC_CLKDIS_CECCLK_DISABLE;
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hdmi_writeb(val, HDMI_MC_CLKDIS);
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- mutex_lock(&hdmi_cec_data.lock);
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hdmi_cec_data.cec_state = false;
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- mutex_unlock(&hdmi_cec_data.lock);
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-
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- hdmi_cec_started = 0;
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}
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EXPORT_SYMBOL(hdmi_cec_stop_device);
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@@ -580,7 +565,6 @@ static int hdmi_cec_dev_probe(struct platform_device *pdev)
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INIT_DELAYED_WORK(&hdmi_cec_data.hdmi_cec_work, mxc_hdmi_cec_worker);
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dev_info(&pdev->dev, "HDMI CEC initialized\n");
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- hdmi_cec_ready = 1;
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goto out;
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err_out_class:
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