power: Remove HBTP support

* Not used

Change-Id: Ib8e9f51fe92c0bce8cde3ee7c7960c1dac740d35
diff --git a/power-710.c b/power-710.c
index 034a19c..1c78d83 100644
--- a/power-710.c
+++ b/power-710.c
@@ -49,49 +49,13 @@
 #include "performance.h"
 #include "power-common.h"
 
-static int display_fd;
-#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
-
 int set_interactive_override(struct power_module *module, int on)
 {
-    static const char *display_on = "1";
-    static const char *display_off = "0";
-    char err_buf[80];
-    static int init_interactive_hint = 0;
     static int set_i_count = 0;
-    int rc = 0;
 
     set_i_count ++;
     ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
 
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
-        display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
-        if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
-            ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-        }
-        else
-            init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
-            /* Display off. */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-        else {
-            /* Display on */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
 
     return HINT_HANDLED; /* Don't excecute this code path, not in use */
 }
diff --git a/power-845.c b/power-845.c
index 9248f38..2976c78 100644
--- a/power-845.c
+++ b/power-845.c
@@ -51,9 +51,6 @@
 #include "performance.h"
 #include "power-common.h"
 
-static int display_fd;
-#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
-
 #define CHECK_HANDLE(x) ((x)>0)
 #define NUM_PERF_MODES  3
 
@@ -231,44 +228,11 @@
 
 int set_interactive_override(struct power_module *module, int on)
 {
-    static const char *display_on = "1";
-    static const char *display_off = "0";
-    char err_buf[80];
-    static int init_interactive_hint = 0;
     static int set_i_count = 0;
-    int rc = 0;
 
     set_i_count ++;
     ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
 
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
-        display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
-        if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
-            ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-        }
-        else
-            init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
-            /* Display off. */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-        else {
-            /* Display on */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
 
     return HINT_HANDLED; /* Don't excecute this code path, not in use */
 }
diff --git a/power-8937.c b/power-8937.c
index 1e29c4a..d3fbd44 100644
--- a/power-8937.c
+++ b/power-8937.c
@@ -58,8 +58,6 @@
 pthread_mutex_t camera_hint_mutex = PTHREAD_MUTEX_INITIALIZER;
 static int camera_hint_ref_count;
 static void process_video_encode_hint(void *metadata);
-static int display_fd;
-#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
 
 static bool is_target_SDM439() /* Returns value=1 if target is Hathi else value 0 */
 {
@@ -103,12 +101,6 @@
     char governor[80];
     char tmp_str[NODE_MAX];
     struct video_encode_metadata_t video_encode_metadata;
-    int rc = 0;
-
-    static const char *display_on = "1";
-    static const char *display_off = "0";
-    char err_buf[80];
-    static int init_interactive_hint = 0;
     static int set_i_count = 0;
 
     ALOGI("Got set_interactive hint");
@@ -153,36 +145,6 @@
     set_i_count ++;
     ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
 
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
-        display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
-        if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
-            ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-            return HINT_HANDLED;
-        }
-        else
-            init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
-            /* Display off. */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-        else {
-            /* Display on */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-
     return HINT_HANDLED;
 }
 
diff --git a/power-8953.c b/power-8953.c
index d0750e4..dfd5510 100644
--- a/power-8953.c
+++ b/power-8953.c
@@ -62,9 +62,6 @@
 static void process_video_encode_hint(void *metadata);
 //static void process_cam_preview_hint(void *metadata);
 
-static int display_fd;
-#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
-
 static bool is_target_SDM632() /* Returns value=632 if target is SDM632 else value 0 */
 {
     int fd;
@@ -107,12 +104,6 @@
     char governor[80];
     char tmp_str[NODE_MAX];
     struct video_encode_metadata_t video_encode_metadata;
-    int rc = 0;
-
-    static const char *display_on = "1";
-    static const char *display_off = "0";
-    char err_buf[80];
-    static int init_interactive_hint = 0;
     static int set_i_count = 0;
 
     ALOGI("Got set_interactive hint");
@@ -156,36 +147,6 @@
     set_i_count ++;
     ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
 
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
-        display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
-        if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
-            ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-            return HINT_HANDLED;
-        }
-        else
-            init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
-            /* Display off. */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-        else {
-            /* Display on */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-
     return HINT_HANDLED;
 }
 
diff --git a/power-msmnile.c b/power-msmnile.c
index 7000079..bf3729f 100644
--- a/power-msmnile.c
+++ b/power-msmnile.c
@@ -45,49 +45,13 @@
 
 #include "power-common.h"
 
-static int display_fd;
-#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
-
 int set_interactive_override(int on)
 {
-    static const char *display_on = "1";
-    static const char *display_off = "0";
-    char err_buf[80];
-    static int init_interactive_hint = 0;
     static int set_i_count = 0;
-    int rc = 0;
 
     set_i_count ++;
     ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count);
 
-    if (init_interactive_hint == 0)
-    {
-        //First time the display is turned off
-        display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR));
-        if (display_fd < 0) {
-            strerror_r(errno,err_buf,sizeof(err_buf));
-            ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf);
-        }
-        else
-            init_interactive_hint = 1;
-    }
-    else
-        if (!on ) {
-            /* Display off. */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
-        else {
-            /* Display on */
-            rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on)));
-            if (rc < 0) {
-                strerror_r(errno,err_buf,sizeof(err_buf));
-                ALOGE("Error writing %s to  %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf);
-            }
-        }
 
     return HINT_HANDLED;
 }