diff options
| author | Jassi Brar | 2012-06-27 16:04:36 +0200 |
|---|---|---|
| committer | Tomi Valkeinen | 2012-06-29 08:41:33 +0200 |
| commit | ece2f1539e917a4f23c30c2cca41ed5aa127abe3 (patch) | |
| tree | 7f64646ab730719fc0303bfc4a8a9aa045efd254 /drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | |
| parent | OMAPDSS: Add dump and debug support for LCD3 (diff) | |
| download | kernel-qcow2-linux-ece2f1539e917a4f23c30c2cca41ed5aa127abe3.tar.gz kernel-qcow2-linux-ece2f1539e917a4f23c30c2cca41ed5aa127abe3.tar.xz kernel-qcow2-linux-ece2f1539e917a4f23c30c2cca41ed5aa127abe3.zip | |
OMAPDSS: HDMI: Discard phy_tx_enabled member
It is simpler to read the current status from a register as compared
to maintaining a state variable to hold the information.
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c')
| -rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index 4dae1b291079..3fa3d98d1ae7 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -157,6 +157,10 @@ static int hdmi_pll_init(struct hdmi_ip_data *ip_data) /* PHY_PWR_CMD */ static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data, enum hdmi_phy_pwr val) { + /* Return if already the state */ + if (REG_GET(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, 5, 4) == val) + return 0; + /* Command for power control of HDMI PHY */ REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 7, 6); @@ -241,11 +245,6 @@ static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data) hpd = gpio_get_value(ip_data->hpd_gpio); - if (hpd == ip_data->phy_tx_enabled) { - spin_unlock_irqrestore(&phy_tx_lock, flags); - return 0; - } - if (hpd) r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON); else @@ -257,7 +256,6 @@ static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data) goto err; } - ip_data->phy_tx_enabled = hpd; err: spin_unlock_irqrestore(&phy_tx_lock, flags); return r; @@ -327,7 +325,6 @@ void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data) free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data); hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF); - ip_data->phy_tx_enabled = false; } static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data) |