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author | Zhao Wei Liew <zhaoweiliew@gmail.com> | 2016-07-19 19:57:06 +0800 |
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committer | Michael Bestas <mkbestas@lineageos.org> | 2019-10-23 01:12:56 +0300 |
commit | 71131ea4e0f0a05a51443571970e4f74cb14de65 (patch) | |
tree | 5956a90ba3cd005f4c6a82e8a354cbb435dbb370 /utils.c | |
parent | b989cae4900c6647bd5fddfd9930c01e999025ea (diff) | |
download | vendor_qcom_opensource_power-71131ea4e0f0a05a51443571970e4f74cb14de65.tar.gz vendor_qcom_opensource_power-71131ea4e0f0a05a51443571970e4f74cb14de65.tar.bz2 vendor_qcom_opensource_power-71131ea4e0f0a05a51443571970e4f74cb14de65.zip |
power: Simplify soc_id checks
- Get soc_id in a common util function
- Return boolean values for the target-specific soc_id checks
Change-Id: I038c435d28855859f36566de7acf881037d070f2
Diffstat (limited to 'utils.c')
-rw-r--r-- | utils.c | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -43,6 +43,9 @@ #define LOG_TAG "QTI PowerHAL" #include <log/log.h> +#define SOC_ID_0 "/sys/devices/soc0/soc_id" +#define SOC_ID_1 "/sys/devices/system/soc/soc0/id" + char scaling_gov_path[4][80] = {"sys/devices/system/cpu/cpu0/cpufreq/scaling_governor", "sys/devices/system/cpu/cpu1/cpufreq/scaling_governor", "sys/devices/system/cpu/cpu2/cpufreq/scaling_governor", @@ -327,3 +330,24 @@ void undo_initial_hint_action() { } } } + +int get_soc_id(void) { + int fd; + int soc_id = -1; + char buf[10] = {0}; + + if (!access(SOC_ID_0, F_OK)) + fd = open(SOC_ID_0, O_RDONLY); + else + fd = open(SOC_ID_1, O_RDONLY); + + if (fd >= 0) { + if (read(fd, buf, sizeof(buf) - 1) == -1) + ALOGW("Unable to read soc_id"); + else + soc_id = atoi(buf); + } + + close(fd); + return soc_id; +} |